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main.cpp
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main.cpp
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#define BRUTFORCE_DEEP_MAX 1
#ifdef _WIN32
#define SIMU
#define SIMU_NBPLAYERS 2
#include <time.h>
#else
#define CPP11
#endif
// cout, cin
#include <iostream>
// string
#include <string>
// vector
#include <vector>
// list
#include <list>
// queue
#include <queue>
// greater
#include <functional>
// setw
#include <iomanip>
// shared_ptr
#include <memory>
// numeric_limits
#include <limits>
using namespace std;
#ifdef CPP11
#include <chrono>
using namespace std::chrono;
#else
using namespace std::tr1;
#endif
enum EDirection
{
eLeft = 0,
eRight = 1,
eUp = 2,
eDown
};
/**
* Auto-generated code below aims at helping you parse
* the standard input according to the problem statement.
**/
class Wall
{
public:
Wall(int aWidth, int aHeight)
: mWidth(aWidth)
, mHeight(aHeight)
, mVWallVect(mWidth * mHeight, 0)
, mHWallVect(mWidth * mHeight, 0)
, mVSimuWallVect(mWidth * mHeight, 0)
, mHSimuWallVect(mWidth * mHeight, 0)
{
}
~Wall(void)
{
}
void addWall(int aWallX, int aWallY, char aWallOrientation)
{
int lWallPos = aWallY*mWidth + aWallX;
if (aWallOrientation == 'H') {
int lWallPos2 = lWallPos + 1;
mHWallVect[lWallPos] = 1;
mHWallVect[lWallPos2] = 2;
} else {
int lWallPos2 = lWallPos + mWidth;
mVWallVect[lWallPos] = 1;
mVWallVect[lWallPos2] = 2;
}
}
void clearSimuWall(void)
{
fill(mVSimuWallVect.begin(), mVSimuWallVect.end(), 0);
fill(mHSimuWallVect.begin(), mHSimuWallVect.end(), 0);
}
void addSimuWall(int aWallX, int aWallY, char aWallOrientation)
{
int lWallPos = aWallY*mWidth + aWallX;
if (aWallOrientation == 'H') {
int lWallPos2 = lWallPos + 1;
mHSimuWallVect[lWallPos] = 1;
mHSimuWallVect[lWallPos2] = 2;
} else {
int lWallPos2 = lWallPos + mWidth;
mVSimuWallVect[lWallPos] = 1;
mVSimuWallVect[lWallPos2] = 2;
}
}
void removeSimuWall(int aWallX, int aWallY, char aWallOrientation)
{
int lWallPos = aWallY*mWidth + aWallX;
if (aWallOrientation == 'H') {
int lWallPos2 = lWallPos + 1;
mHSimuWallVect[lWallPos] = 0;
mHSimuWallVect[lWallPos2] = 0;
} else {
int lWallPos2 = lWallPos + mWidth;
mVSimuWallVect[lWallPos] = 0;
mVSimuWallVect[lWallPos2] = 0;
}
}
bool isWallValid(int aWallX, int aWallY, char aWallOrientation) const
{
bool lIsResult = false;
int lWallPos = aWallY*mWidth + aWallX;
if (aWallOrientation == 'H') {
lIsResult = (0 <= aWallX) && (aWallX < (mWidth - 1)) && (0 < aWallY) && (aWallY < mHeight);
if (lIsResult) {
int lWallPos2 = lWallPos + 1;
lIsResult = (0 >= mHWallVect[lWallPos]) && (0 >= mHSimuWallVect[lWallPos]);
lIsResult &= (0 >= mHWallVect[lWallPos2]) && (0 >= mHSimuWallVect[lWallPos2]);
lIsResult &= (1 >= mVWallVect[lWallPos2]) && (1 >= mVSimuWallVect[lWallPos2]);
}
} else {
lIsResult = (0 < aWallX) && (aWallX < mWidth) && (0 <= aWallY) && (aWallY < (mHeight - 1));
if (lIsResult) {
int lWallPos2 = lWallPos + mWidth;
lIsResult = (0 >= mVWallVect[lWallPos]) && (0 >= mVSimuWallVect[lWallPos]);
lIsResult &= (0 >= mVWallVect[lWallPos2]) && (0 >= mVSimuWallVect[lWallPos2]);
lIsResult &= (1 >= mHWallVect[lWallPos2]) && (1 >= mHSimuWallVect[lWallPos2]);
}
}
return lIsResult;
}
bool isWallContiguous(int aWallX, int aWallY, char aWallOrientation) const
{
bool lIsResult = false;
int lWallPos = aWallY*mWidth + aWallX;
if (aWallOrientation == 'H') {
lIsResult = ((0 >= aWallX) || (aWallX >= (mWidth - 2))
|| (0 < mVWallVect[lWallPos]) || (0 < mVSimuWallVect[lWallPos])
|| (0 < mVWallVect[lWallPos + 1]) || (0 < mVSimuWallVect[lWallPos + 1])
|| (0 < mVWallVect[lWallPos + 2]) || (0 < mVSimuWallVect[lWallPos + 2])
|| (0 < mVWallVect[lWallPos - mWidth]) || (0 < mVSimuWallVect[lWallPos - mWidth])
|| (0 < mVWallVect[lWallPos + 1 - mWidth]) || (0 < mVSimuWallVect[lWallPos + 1 - mWidth])
|| (0 < mVWallVect[lWallPos + 2 - mWidth]) || (0 < mVSimuWallVect[lWallPos + 2 - mWidth])
|| (0 < mHWallVect[lWallPos - 1]) || (0 < mHSimuWallVect[lWallPos - 1])
|| (0 < mHWallVect[lWallPos + 2]) || (0 < mHSimuWallVect[lWallPos + 2]));
} else {
int lWallOffset2 = mWidth * 2;
lIsResult = ((0 >= aWallY) || (aWallY >= (mHeight - 2))
|| (0 < mHWallVect[lWallPos]) || (0 < mHSimuWallVect[lWallPos])
|| (0 < mHWallVect[lWallPos + mWidth]) || (0 < mHSimuWallVect[lWallPos + mWidth])
|| (0 < mHWallVect[lWallPos + lWallOffset2]) || (0 < mHSimuWallVect[lWallPos + lWallOffset2])
|| (0 < mHWallVect[lWallPos - 1]) || (0 < mHSimuWallVect[lWallPos - 1])
|| (0 < mHWallVect[lWallPos + mWidth - 1]) || (0 < mHSimuWallVect[lWallPos + mWidth - 1])
|| (0 < mHWallVect[lWallPos + lWallOffset2 - 1]) || (0 < mHSimuWallVect[lWallPos + lWallOffset2 - 1])
|| (0 < mVWallVect[lWallPos - mWidth]) || (0 < mVSimuWallVect[lWallPos - mWidth])
|| (0 < mVWallVect[lWallPos + lWallOffset2]) || (0 < mVSimuWallVect[lWallPos + lWallOffset2]));
}
return lIsResult;
}
bool isLeftValid(int aX, int aY) const
{
bool lIsResult = (0 < aX) && (aX < mWidth) && (0 <= aY) && (aY < mHeight);
if (lIsResult) {
int lWallPos = aY*mWidth + aX;
lIsResult = (0 >= mVWallVect[lWallPos]) && (0 >= mVSimuWallVect[lWallPos]);
}
return lIsResult;
}
bool isUpValid(int aX, int aY) const
{
bool lIsResult = (0 <= aX) && (aX < mWidth) && (0 < aY) && (aY < mHeight);
if (lIsResult) {
int lWallPos = aY*mWidth + aX;
lIsResult = (0 >= mHWallVect[lWallPos]) && (0 >= mHSimuWallVect[lWallPos]);
}
return lIsResult;
}
bool isRightValid(int aX, int aY) const
{
aX++;
bool lIsResult = (0 < aX) && (aX < mWidth) && (0 <= aY) && (aY < mHeight);
if (lIsResult) {
int lWallPos = aY*mWidth + aX;
lIsResult = (0 >= mVWallVect[lWallPos]) && (0 >= mVSimuWallVect[lWallPos]);
}
return lIsResult;
}
bool isDownValid(int aX, int aY) const
{
aY++;
bool lIsResult = (0 <= aX) && (aX < mWidth) && (0 < aY) && (aY < mHeight);
if (lIsResult) {
int lWallPos = aY*mWidth + aX;
lIsResult = (0 >= mHWallVect[lWallPos]) && (0 >= mHSimuWallVect[lWallPos]);
}
return lIsResult;
}
void dumpWalls(int aX, int aY) const
{
int lWallPos = aY*mWidth + aX;
bool lIsHValid = (0 < mHWallVect[lWallPos]) || (0 < mHSimuWallVect[lWallPos]);
bool lIsVValid = (0 < mVWallVect[lWallPos]) || (0 < mVSimuWallVect[lWallPos]);
if (lIsHValid && lIsVValid) {
cerr << "+";
} else if (lIsHValid) {
cerr << "-";
} else if (lIsVValid) {
cerr << "|";
} else {
cerr << " ";
}
}
void dumpContiguousWalls(void) const
{
cerr << "Contiguous walls" << endl;
for (int lY = 0; lY < mHeight; lY++) {
for (int lX = 0; lX < mWidth; lX++) {
if (isWallValid(lX, lY, 'H')) {
cerr << (isWallContiguous(lX, lY, 'H') ? "H" : "-");
} else {
cerr << "-";
}
if (isWallValid(lX, lY, 'V')) {
cerr << (isWallContiguous(lX, lY, 'V') ? "V" : "-");
} else {
cerr << "-";
}
cerr << " ";
}
cerr << endl;
}
}
private:
int mWidth;
int mHeight;
vector<int> mVWallVect;
vector<int> mHWallVect;
vector<int> mVSimuWallVect;
vector<int> mHSimuWallVect;
};
class Player
{
public:
typedef shared_ptr<Player> Ptr;
typedef list<EDirection> StepList;
typedef vector<int> PathfindingVect;
typedef pair<int, pair<int, int> > PathfindingElem;
typedef priority_queue<PathfindingElem, vector<PathfindingElem>, greater<PathfindingElem> > PathfindingQueue;
public:
Player(int aWidth, int aHeight, Wall* apWall, EDirection aStartPos)
: mWidth(aWidth)
, mHeight(aHeight)
, mpWall(apWall)
, mStartPos(aStartPos)
, mCurrentPosX(-1)
, mCurrentPosY(-1)
, mPathfindingVect(aWidth * aHeight, -1)
, mPathQueue()
{
}
~Player(void)
{
}
void setCurrentPosition(int aCurrentX, int aCurrentY)
{
mCurrentPosX = aCurrentX;
mCurrentPosY = aCurrentY;
}
inline int currentX(void) const
{
return mCurrentPosX;
}
inline int currentY(void) const
{
return mCurrentPosY;
}
void findBestDirection(StepList& aStepList, bool abDump = false)
{
int lBestValue = -1;
int lBestX = -1;
int lBestY = -1;
computePathfinding(lBestValue, lBestX, lBestY);
cerr << "Best destination [" << lBestX << "; " << lBestY << "] in " << lBestValue << " steps" << endl;
while (lBestValue > 0) {
lBestValue--;
if (mpWall->isLeftValid(lBestX, lBestY) && (get(lBestX - 1, lBestY) == lBestValue)) {
lBestX--;
aStepList.push_front(eRight);
} else if (mpWall->isRightValid(lBestX, lBestY) && (get(lBestX + 1, lBestY) == lBestValue)) {
lBestX++;
aStepList.push_front(eLeft);
} else if (mpWall->isUpValid(lBestX, lBestY) && (get(lBestX, lBestY - 1) == lBestValue)) {
lBestY--;
aStepList.push_front(eDown);
} else if (mpWall->isDownValid(lBestX, lBestY) && (get(lBestX, lBestY + 1) == lBestValue)) {
lBestY++;
aStepList.push_front(eUp);
}
}
if (abDump) {
dumpPath();
}
}
void findBestStep(int& aBestValue, bool abDump = false)
{
int lBestX = -1;
int lBestY = -1;
computePathfinding(aBestValue, lBestX, lBestY);
if (abDump) {
dumpPath();
}
}
void findBestNextStep(int& aBestValue, int& aBestX, int& aBestY, bool abDump = false)
{
int lBestValue = -1;
computePathfinding(lBestValue, aBestX, aBestY);
aBestValue = lBestValue;
while (lBestValue > 1) {
lBestValue--;
if (mpWall->isLeftValid(aBestX, aBestY) && (get(aBestX - 1, aBestY) == lBestValue)) {
aBestX--;
} else if (mpWall->isRightValid(aBestX, aBestY) && (get(aBestX + 1, aBestY) == lBestValue)) {
aBestX++;
} else if (mpWall->isUpValid(aBestX, aBestY) && (get(aBestX, aBestY - 1) == lBestValue)) {
aBestY--;
} else if (mpWall->isDownValid(aBestX, aBestY) && (get(aBestX, aBestY + 1) == lBestValue)) {
aBestY++;
}
}
if (abDump) {
dumpPath();
}
}
private:
void computePathfinding(int& aBestValue, int& aBestX, int& aBestY)
{
aBestValue = -1;
aBestX = -1;
aBestY = -1;
int lCurrentStep = 0;
fill(mPathfindingVect.begin(), mPathfindingVect.end(), -1);
switch (mStartPos) {
case eLeft:
lCurrentStep += mWidth - mCurrentPosX - 1;
break;
case eRight:
lCurrentStep += mCurrentPosX;
break;
case eUp:
lCurrentStep += mHeight - mCurrentPosY - 1;
break;
case eDown:
lCurrentStep += mCurrentPosY;
break;
}
mPathQueue.push(make_pair(lCurrentStep, make_pair(mCurrentPosX, mCurrentPosY)));
bool lIsLoopDone = mPathQueue.empty();
while (!lIsLoopDone) {
lCurrentStep = mPathQueue.top().first;
int lCurrentX = mPathQueue.top().second.first;
int lCurrentY = mPathQueue.top().second.second;
mPathQueue.pop();
if (get(lCurrentX, lCurrentY) < 0) {
// Reverse heuristic
switch (mStartPos) {
case eLeft:
lCurrentStep -= mWidth - lCurrentX - 1;
lIsLoopDone = (lCurrentX >= (mWidth - 1));
break;
case eRight:
lCurrentStep -= lCurrentX;
lIsLoopDone = (lCurrentX <= 0);
break;
case eUp:
lCurrentStep -= mHeight - lCurrentY - 1;
lIsLoopDone = (lCurrentY >= (mHeight - 1));
break;
case eDown:
lCurrentStep -= lCurrentY;
lIsLoopDone = (lCurrentY <= 0);
break;
}
mPathfindingVect[lCurrentY*mWidth + lCurrentX] = lCurrentStep;
if (lIsLoopDone) {
aBestValue = lCurrentStep;
aBestX = lCurrentX;
aBestY = lCurrentY;
} else {
lCurrentStep++;
for (int lDirection = eLeft; lDirection <= eDown; lDirection++) {
int lIsValid = false;
int lNewX = lCurrentX;
int lNewY = lCurrentY;
int lNewStep = lCurrentStep;
// Reverse heuristic
switch (lDirection) {
case eLeft:
lIsValid = mpWall->isLeftValid(lCurrentX, lCurrentY);
lNewX--;
break;
case eRight:
lIsValid = mpWall->isRightValid(lCurrentX, lCurrentY);
lNewX++;
break;
case eUp:
lIsValid = mpWall->isUpValid(lCurrentX, lCurrentY);
lNewY--;
break;
case eDown:
lIsValid = mpWall->isDownValid(lCurrentX, lCurrentY);
lNewY++;
break;
}
// Heuristic
switch (mStartPos) {
case eLeft:
lNewStep += mWidth - lNewX - 1;
break;
case eRight:
lNewStep += lNewX;
break;
case eUp:
lNewStep += mHeight - lNewY - 1;
break;
case eDown:
lNewStep += lNewY;
break;
}
if (lIsValid) {
mPathQueue.push(make_pair(lNewStep, make_pair(lNewX, lNewY)));
}
}
}
}
lIsLoopDone |= mPathQueue.empty();
}
while (!mPathQueue.empty()) {
mPathQueue.pop();
}
}
inline int get(int aX, int aY) const
{
return mPathfindingVect[aY*mWidth + aX];
}
void dumpPath(void) const
{
for (int lY = 0; lY < mHeight; lY++) {
for (int lX = 0; lX < mWidth; lX++) {
cerr << setw(2) << get(lX, lY) << " ";
}
cerr << endl;
}
}
private:
int mWidth;
int mHeight;
Wall* mpWall;
EDirection mStartPos;
int mCurrentPosX;
int mCurrentPosY;
PathfindingVect mPathfindingVect;
PathfindingQueue mPathQueue;
};
class Scenario
{
public:
Scenario(int aWidth, int aHeight, int aPlayerCount, int aMyId)
: mWidth(aWidth)
, mHeight(aHeight)
, mPlayerCount(aPlayerCount)
, mMyId(aMyId)
, mOpenDoorCount((aPlayerCount == 2) ? 2 : 0)
, mMyWallLeft(0)
, mEnnemyWallLeft(0)
, mWall(aWidth, aHeight)
, mPlayerVect()
, mSimuWallX(-1)
, mSimuWallY(-1)
, mSimuWallH('?')
{
mPlayerVect.reserve(aPlayerCount);
for (int lId = 0; lId < mPlayerCount; lId++) {
mPlayerVect.push_back(Player::Ptr(new Player(aWidth, aHeight, &mWall, (EDirection)lId)));
}
}
~Scenario(void)
{
}
void initIteration(void)
{
mEnnemyWallLeft = 0;
mWall.clearSimuWall();
}
void updatePlayerData(int aId, int aCurrentX, int aCurrentY, int aWallsLeft)
{
mPlayerVect[aId]->setCurrentPosition(aCurrentX, aCurrentY);
if (aId == mMyId) {
mMyWallLeft = aWallsLeft;
} else {
mEnnemyWallLeft += aWallsLeft;
}
}
void updateWallData(int aWallX, int aWallY, char aWallOrientation)
{
mWall.addWall(aWallX, aWallY, aWallOrientation);
}
inline int currentX(void) const
{
return mPlayerVect[mMyId]->currentX();
}
inline int currentY(void) const
{
return mPlayerVect[mMyId]->currentY();
}
inline int myWallLeft(void) const
{
return mMyWallLeft;
}
inline int simuWallX(void) const
{
return mSimuWallX;
}
inline int simuWallY(void) const
{
return mSimuWallY;
}
inline char simuWallH(void) const
{
return mSimuWallH;
}
void dumpScenario(void) const
{
cerr << "Scenario" << endl;
for (int lY = 0; lY < mHeight; lY++) {
for (int lZ = 0; lZ < 2; lZ++) {
for (int lX = 0; lX < mWidth; lX++) {
if(lZ == 0) {
bool lLeftWall = !mWall.isUpValid(lX - 1, lY);
bool lRightWall = !mWall.isUpValid(lX, lY);
bool lUpWall = !mWall.isLeftValid(lX, lY - 1);
bool lDownWall = !mWall.isLeftValid(lX, lY);
if((lLeftWall || lRightWall) && (lUpWall || lDownWall)) {
cerr << "+";
} else if(lLeftWall && lRightWall) {
cerr << "-";
} else if(lUpWall && lDownWall) {
cerr << "|";
} else {
cerr << " ";
}
if(lRightWall) {
cerr << "-";
} else {
cerr << " ";
}
} else {
if(mWall.isLeftValid(lX, lY)) {
cerr << " ";
} else {
cerr << "|";
}
int lPlayerValue = -1;
for (int lId = 0; lId < mPlayerCount; lId++) {
Player::Ptr lPlayerPtr = mPlayerVect[lId];
if ((lPlayerPtr->currentX() == lX) && (lPlayerPtr->currentY() == lY)) {
lPlayerValue = lId;
}
}
if(lPlayerValue >= 0) {
cerr << lPlayerValue;
} else {
cerr << " ";
}
}
}
if(lZ == 0) {
cerr << "+" << endl;
} else {
cerr << "|" << endl;
}
}
}
cerr << "+-+-+-+-+-+-+-+-+-+" << endl;
}
void runIteration(void)
{
#ifdef CPP11
time_point<high_resolution_clock> lTimeStart, lTimeEnd;
lTimeStart = high_resolution_clock::now();
#endif
mSimuWallX = -1;
mSimuWallY = -1;
mSimuWallH = '?';
if (mEnnemyWallLeft <= 0) {
mOpenDoorCount = 0;
}
int lMyScore = 0;
int lBaddestEnemyScore = numeric_limits<int>::max();
int lBaddestEnemyId = -1;
for (int lId = 0; lId < mPlayerCount; lId++) {
Player::Ptr lPlayerPtr = mPlayerVect[lId];
if (lPlayerPtr->currentX() >= 0) {
int lBestValue = -1;
lPlayerPtr->findBestStep(lBestValue, false);
if (lBestValue <= 0) {
break;
} else if (lId == mMyId) {
cerr << "My position (" << lId << "): [" << lPlayerPtr->currentX() << "; " << lPlayerPtr->currentY() << "] Score: " << lBestValue << endl;
lMyScore = lBestValue;
} else {
cerr << "Enemy position (" << lId << "): [" << lPlayerPtr->currentX() << "; " << lPlayerPtr->currentY() << "] Score: " << lBestValue << endl;
if (lBestValue < lBaddestEnemyScore) {
lBaddestEnemyScore = lBestValue;
lBaddestEnemyId = lId;
}
}
}
}
//dumpScenario();
bool lIsReponse = false;
if (!lIsReponse && (lMyScore > lBaddestEnemyScore)) {
lIsReponse = applyPatternOpenDoor(lMyScore);
}
if (!lIsReponse) {
if (mPlayerCount >= 2) {
lIsReponse = applyPatternBrutForce(lMyScore, lBaddestEnemyScore, lBaddestEnemyId);
} else {
lIsReponse = applyPatternScoredSelection(lMyScore, lBaddestEnemyScore, lBaddestEnemyId);
}
}
if (!lIsReponse) {
lIsReponse = applyPatternMove();
}
#ifdef CPP11
lTimeEnd = high_resolution_clock::now();
long long lElapsedMilli = duration_cast<milliseconds>(lTimeEnd - lTimeStart).count();
cerr << "ExecTime: " << lElapsedMilli << "ms" << endl;
#endif
}
private:
bool applyPatternScoredSelection(int aMyScore, int aBaddestEnemyScore, int aBaddestEnemyId)
{
bool lIsReponse = (mMyWallLeft > mOpenDoorCount);
int lBestScoreX = -1;
int lBestScoreY = -1;
char lBestScoreH = '?';
if (lIsReponse) {
int lCurrentScore = (1000 / aMyScore) - (1000 / aBaddestEnemyScore);
int lBestScore = lCurrentScore;
for (int lY = 0; lY < mHeight; lY++) {
for (int lX = 0; lX < mWidth; lX++) {
for (int lH = 0; lH < 2; lH++) {
if (mWall.isWallValid(lX, lY, lH ? 'H' : 'V')) {
mWall.addSimuWall(lX, lY, lH ? 'H' : 'V');
int lScore = 0;
for (int lId = 0; lId < mPlayerCount; lId++) {
Player::Ptr lPlayerPtr = mPlayerVect[lId];
if (lPlayerPtr->currentX() >= 0) {
int lBestValue = -1;
lPlayerPtr->findBestStep(lBestValue);
if (lBestValue <= 0) {
lScore = numeric_limits<int>::min();
break;
} else if (lId == mMyId) {
lScore += 1000 / lBestValue;
} else if (lId == aBaddestEnemyId) {
lScore -= 1000 / lBestValue;
}
}
}
if (lScore > lBestScore) {
lBestScore = lScore;
lBestScoreX = lX;
lBestScoreY = lY;
lBestScoreH = lH ? 'H' : 'V';
} else if (lScore == lBestScore) {
if(!mWall.isWallContiguous(lX, lY, lH ? 'H' : 'V')) {
lBestScore = lScore;
lBestScoreX = lX;
lBestScoreY = lY;
lBestScoreH = lH ? 'H' : 'V';
}
}
mWall.clearSimuWall();
}
}
}
}
lIsReponse = (lBestScore > (lCurrentScore + ((mPlayerCount == 2) ? 50 : 200)));
}
if (lIsReponse) {
lIsReponse = applyPatternWall(lBestScoreX, lBestScoreY, lBestScoreH);
}
return lIsReponse;
}
bool applyPatternBrutForce(int aMyScore, int aBaddestEnemyScore, int aBaddestEnemyId)
{
bool lIsReponse = (mMyWallLeft > mOpenDoorCount);
int lBestScoreX = -1;
int lBestScoreY = -1;
char lBestScoreH = '?';
int lBadScoreX = -1;
int lBadScoreY = -1;
char lBadScoreH = '?';
if (lIsReponse) {
int lCurrentScore = (1000 / aMyScore) - (1000 / aBaddestEnemyScore);
int lBestScore = lCurrentScore;
int lBadScore = lCurrentScore;
long long lRecurseCount = 0;
bool lIsValidWay = recursePatternBrutForce(aBaddestEnemyId, min(mMyWallLeft - mOpenDoorCount, BRUTFORCE_DEEP_MAX), lBestScore, lBestScoreX, lBestScoreY, lBestScoreH, lBadScore, lBadScoreX, lBadScoreY, lBadScoreH, lRecurseCount);
lBestScore -= lCurrentScore;
lBadScore -= lCurrentScore;
lBestScore /= mPlayerCount - 1;
lBadScore /= mPlayerCount - 1;
cerr << "BrutForce RecurceCount: " << lRecurseCount << " CurrentScore: " << lCurrentScore << " BestScore: " << lBestScore << " BadScore: " << lBadScore << endl;
if (mPlayerCount == 2) {
lIsReponse = (mEnnemyWallLeft > 0) && (lBadScore <= -100) && (-lBadScore >= lBestScore);
} else {
lIsReponse = (mEnnemyWallLeft > 0) && (lBadScore <= -200) && (-lBadScore >= lBestScore);
}
if(lIsReponse) {
cerr << "Protector" << endl;
}
if (lIsReponse) {
lIsReponse = applyPatternBlocker(aBaddestEnemyId, lBadScoreX, lBadScoreY, lBadScoreH, lBestScoreX, lBestScoreY, lBestScoreH);
}
if (!lIsReponse) {
if (mPlayerCount == 2) {
lIsReponse = lIsValidWay && (lBestScore >= 20) && ((lCurrentScore < -50) || (lBestScore >= 50));
} else {
lIsReponse = lIsValidWay && (lBestScore >= 100);
}
if(lIsReponse) {
cerr << "Blocker" << endl;
}
}
if(!lIsReponse && (mEnnemyWallLeft > 0) && (lBadScore <= -100)) {
cerr << "Add virtual wall" << endl;
mWall.addSimuWall(lBadScoreX, lBadScoreY, lBadScoreH);
}
}
if (lIsReponse) {
lIsReponse = applyPatternWall(lBestScoreX, lBestScoreY, lBestScoreH);
}
return lIsReponse;
}
bool applyPatternBlocker(int aBaddestEnemyId, int aWallX, int aWallY, char aWallOrientation, int& aBestScoreX, int& aBestScoreY, char& aBestScoreH)
{
bool lIsReponse = false;
int BestScore = numeric_limits<int>::min();;
for (int lY = 0; lY < mHeight; lY++) {
for (int lX = 0; lX < mWidth; lX++) {
for (int lH = 0; lH < 2; lH++) {
if (mWall.isWallValid(lX, lY, lH ? 'H' : 'V')) {
mWall.addSimuWall(lX, lY, lH ? 'H' : 'V');
if (!mWall.isWallValid(aWallX, aWallY, aWallOrientation)) {
bool lIsValidNewWay = true;
int lScore = 0;
for (int lId = 0; lIsValidNewWay && (lId < mPlayerCount); lId++) {
Player::Ptr lPlayerPtr = mPlayerVect[lId];
if (lPlayerPtr->currentX() >= 0) {
int lBestValue = -1;
int lBestX = -1;
int lBestY = -1;
lPlayerPtr->findBestNextStep(lBestValue, lBestX, lBestY);
if (lBestValue <= 0) {
lIsValidNewWay = false;
} else if (lId == mMyId) {
lScore += 1000 / lBestValue;
} else if (lId == aBaddestEnemyId) {
lScore -= 1000 / lBestValue;
}
}
}
if (lIsValidNewWay) {
if (lScore > BestScore) {
BestScore = lScore;
aBestScoreX = lX;
aBestScoreY = lY;
aBestScoreH = lH ? 'H' : 'V';
lIsReponse = true;
}
}
}
mWall.removeSimuWall(lX, lY, lH ? 'H' : 'V');
}
}
}
}
return lIsReponse;
}
bool recursePatternBrutForce(int aBaddestEnemyId, int aNbWallLeft, int& aBestScore, int& aBestScoreX, int& aBestScoreY, char& aBestScoreH, int& aBadScore, int& aBadScoreX, int& aBadScoreY, char& aBadScoreH, long long& aRecurseCount)
{
bool lIsValidWay = false;
aNbWallLeft--;
aRecurseCount++;
pair<int, int> lPlayerPositionBackupVect[3];
for (int lId = 0; lId < mPlayerCount; lId++) {
Player::Ptr lPlayerPtr = mPlayerVect[lId];
lPlayerPositionBackupVect[lId].first = lPlayerPtr->currentX();
lPlayerPositionBackupVect[lId].second = lPlayerPtr->currentY();
}
//cerr << "recursePatternBrutForce : " << aRecurseCount << endl;
for (int lY = 0; lY < mHeight; lY++) {
for (int lX = 0; lX < mWidth; lX++) {
for (int lH = 0; lH < 2; lH++) {
if (mWall.isWallValid(lX, lY, lH ? 'H' : 'V') && ((aRecurseCount <= 1) || mWall.isWallContiguous(lX, lY, lH ? 'H' : 'V'))) {
mWall.addSimuWall(lX, lY, lH ? 'H' : 'V');
bool lIsValidNewWay = true;
int lScore = 0;
int lScoreX = -1;
int lScoreY = -1;
char lScoreH = '?';
int lBScore = 0;
int lBScoreX = -1;
int lBScoreY = -1;
char lBScoreH = '?';
for (int lId = 0; lIsValidNewWay && (lId < mPlayerCount); lId++) {
Player::Ptr lPlayerPtr = mPlayerVect[lId];
lPlayerPtr->setCurrentPosition(lPlayerPositionBackupVect[lId].first, lPlayerPositionBackupVect[lId].second);
if (lPlayerPtr->currentX() >= 0) {
int lBestValue = -1;
int lBestX = -1;
int lBestY = -1;
lPlayerPtr->findBestNextStep(lBestValue, lBestX, lBestY);
if (lBestValue <= 0) {
lIsValidNewWay = false;
} else if (lId == mMyId) {
lScore += 1000 / lBestValue;
} else if (lId == aBaddestEnemyId) {
lScore -= 1000 / lBestValue;
}
lPlayerPtr->setCurrentPosition(lBestX, lBestY);
}
}
if (lIsValidNewWay) {
if (lScore > aBestScore) {
aBestScore = lScore;
aBestScoreX = lX;
aBestScoreY = lY;
aBestScoreH = lH ? 'H' : 'V';
lIsValidWay = true;
} else if (lScore == aBestScore) {
Player::Ptr lPlayerPtr = mPlayerVect[aBaddestEnemyId];
int lBestDistX = (lPlayerPtr->currentX() - aBestScoreX);
lBestDistX *= lBestDistX;
int lBestDistY = (lPlayerPtr->currentY() - aBestScoreY);
lBestDistY *= lBestDistY;
int lBestDist = lBestDistX + lBestDistY;
int lCurrentDistX = (lPlayerPtr->currentX() - lX);
lCurrentDistX *= lCurrentDistX;
int lCurrentDistY = (lPlayerPtr->currentY() - lY);
lCurrentDistY *= lCurrentDistY;
int lCurrentDist = lCurrentDistX + lCurrentDistY;
if (lCurrentDist < lBestDist) {
//cerr << "BestScore: [" << lX << "; " << lY << "] Score: " << lScore << endl;
aBestScore = lScore;
aBestScoreX = lX;
aBestScoreY = lY;
aBestScoreH = lH ? 'H' : 'V';
lIsValidWay = true;
}
}
if (lScore < aBadScore) {
aBadScore = lScore;
aBadScoreX = lX;
aBadScoreY = lY;
aBadScoreH = lH ? 'H' : 'V';
}
if (aNbWallLeft > 0) {
if (recursePatternBrutForce(aBaddestEnemyId, aNbWallLeft, lScore, lScoreX, lScoreY, lScoreH, lBScore, lBScoreX, lBScoreY, lBScoreH, aRecurseCount)) {
if (lScore > aBestScore) {
aBestScore = lScore;
aBestScoreX = lX;
aBestScoreY = lY;
aBestScoreH = lH ? 'H' : 'V';
lIsValidWay = true;
} else if (lScore == aBestScore) {
Player::Ptr lPlayerPtr = mPlayerVect[aBaddestEnemyId];
int lBestDistX = (lPlayerPtr->currentX() - aBestScoreX);
lBestDistX *= lBestDistX;
int lBestDistY = (lPlayerPtr->currentY() - aBestScoreY);
lBestDistY *= lBestDistY;
int lBestDist = lBestDistX + lBestDistY;
int lCurrentDistX = (lPlayerPtr->currentX() - lX);
lCurrentDistX *= lCurrentDistX;
int lCurrentDistY = (lPlayerPtr->currentY() - lY);
lCurrentDistY *= lCurrentDistY;
int lCurrentDist = lCurrentDistX + lCurrentDistY;
if (lCurrentDist < lBestDist) {
//cerr << "BestScore: [" << lX << "; " << lY << "] Score: " << lScore << endl;
aBestScore = lScore;
aBestScoreX = lX;
aBestScoreY = lY;
aBestScoreH = lH ? 'H' : 'V';
lIsValidWay = true;
}
}
}
}
}
mWall.removeSimuWall(lX, lY, lH ? 'H' : 'V');
}
}
}
}
for (int lId = 0; lId < mPlayerCount; lId++) {
mPlayerVect[lId]->setCurrentPosition(lPlayerPositionBackupVect[lId].first, lPlayerPositionBackupVect[lId].second);
}
return lIsValidWay;
}
bool applyPatternWall(int aWallX, int aWallY, char aWallOrientation)
{
bool lIsReponse = (mMyWallLeft > mOpenDoorCount);
if (lIsReponse) {
mMyWallLeft--;
cout << aWallX << " " << aWallY << " " << aWallOrientation << " Eat this!" << endl;
#ifdef SIMU
mSimuWallX = aWallX;
mSimuWallY = aWallY;
mSimuWallH = aWallOrientation;
#endif
}
return lIsReponse;
}
bool applyPatternOpenDoor(int aMyScore)
{
bool lIsReponse = false;
if ((mOpenDoorCount > 0) && (mMyWallLeft > 0) && (aMyScore == 2)) {
Player::Ptr lPlayerPtr = mPlayerVect[mMyId];
switch (mMyId) {
case eLeft:
if (lPlayerPtr->currentX() == (mWidth - 3)) {
if (mWall.isWallValid(lPlayerPtr->currentX(), lPlayerPtr->currentY(), 'V')) {
cout << lPlayerPtr->currentX() << " " << lPlayerPtr->currentY() << " " << 'V' << " Open door" << endl;
lIsReponse = true;
} else if (mWall.isWallValid(lPlayerPtr->currentX(), lPlayerPtr->currentY() - 1, 'V')) {
cout << lPlayerPtr->currentX() << " " << lPlayerPtr->currentY() - 1 << " " << 'V' << " Open door" << endl;
lIsReponse = true;
} else if (mWall.isWallValid(lPlayerPtr->currentX(), lPlayerPtr->currentY(), 'H')) {
cout << lPlayerPtr->currentX() << " " << lPlayerPtr->currentY() << " " << 'H' << " Open door" << endl;
lIsReponse = true;
} else if (mWall.isWallValid(lPlayerPtr->currentX(), lPlayerPtr->currentY() + 1, 'H')) {
cout << lPlayerPtr->currentX() << " " << lPlayerPtr->currentY() + 1 << " " << 'H' << " Open door" << endl;
lIsReponse = true;
} else if (mWall.isWallValid(lPlayerPtr->currentX() + 1, lPlayerPtr->currentY(), 'H')) {
cout << lPlayerPtr->currentX() + 1 << " " << lPlayerPtr->currentY() << " " << 'H' << " Open door" << endl;
lIsReponse = true;
} else if (mWall.isWallValid(lPlayerPtr->currentX() + 1, lPlayerPtr->currentY() + 1, 'H')) {
cout << lPlayerPtr->currentX() + 1 << " " << lPlayerPtr->currentY() + 1 << " " << 'H' << " Open door" << endl;
lIsReponse = true;
}