Add files via upload

110A - nearly_lucky_no.cpp

@@ -0,0 +1,20 @@
+#include <iostream>
+using namespace std;
+int main(){
+    long long y;
+    int a=0;
+    cin >> y;
+    while(y!=0){
+        if(y%10==4 || y%10==7){
+            a++;
+        }
+        y = y/10;
+    }
+    if(a==4 || a==7){
+        cout<<"YES"<<endl;
+    }
+    else {
+        cout<<"NO"<<endl;
+    }
+
+}

112A - Petya_and_strings.cpp

@@ -0,0 +1,30 @@
+#include <iostream>
+#include <string>
+#include <algorithm>
+using namespace std;
+int main(){
+    int count = 0;
+    string s,s1;
+    cin>>s>>s1;
+    int l = s.length();
+    for(int i=0;i<l;i++){
+        s[i]=tolower(s[i]);
+        s1[i]=tolower(s1[i]);
+    }
+    if(s==s1){
+        cout<<"0";
+    }
+    else{
+        for(int i=0;i<l;i++){
+            if(s[i]<s1[i]){
+                cout<<"-1";
+                break;
+            }
+            else if(s1[i]<s[i]){
+                cout<<"1";
+                break;
+            }
+        }
+    }
+
+}

116A - tram.cpp

@@ -0,0 +1,15 @@
+#include <iostream>
+using namespace std;
+int main(){
+    int n,a,b,c=0,max=0;
+    cin>>n;
+    for(int i=0;i<n;i++){
+        cin>>a>>b;
+        c=c+(b-a);
+        if(c>max){
+            max=c;
+        }
+    }
+    cout<<max;
+
+}

133A - hq9+.cpp

@@ -0,0 +1,20 @@
+#include <iostream>
+#include <string>
+using namespace std;
+int main(){
+    int count=0;
+    string s;
+    cin>>s;
+    int l = s.length();
+    for(int i=0;i<l;i++){
+        if(s[i]=='H' || s[i]=='Q' || s[i]=='9'){
+            count=1;
+        }
+    }
+    if(count){
+        cout<<"YES";
+    }
+    else {
+        cout<<"NO";
+    }
+}

141A - Amusing_joke.cpp

@@ -0,0 +1,17 @@
+#include <iostream>
+#include <string>
+#include <algorithm>
+using namespace std;
+int main(){
+    string s1,s2,s3;
+    cin>>s1>>s2>>s3;
+    s1.append(s2);
+    sort(s1.begin(),s1.end());
+    sort(s3.begin(),s3.end());
+    if(s1==s3){
+        cout<<"YES";
+    }
+    else {
+        cout<<"NO";
+    }
+}

144A - arrival_of_the_general.cpp

@@ -0,0 +1,33 @@
+#include <iostream>
+#include<cmath>
+using namespace std;
+
+int main() {
+int n;
+int maxvalue=0;
+int minvalue=1000;
+int maxindex=0;
+int minindex=0;
+cin>>n;
+for(int i=0;i<n;i++){
+	int x;
+	cin>>x;
+if(x>maxvalue){
+	maxindex=i;
+	maxvalue=x;
+}
+ if(x<=minvalue){
+	minindex=i;
+	minvalue=x;
+ }
+}
+if(maxindex>minindex){
+	cout<<(maxindex+(n-1)-minindex)-1;
+}
+else{
+	cout<<(maxindex+(n-1)-minindex);
+
+}
+
+	return 0;
+}

148A - insomnia_cure.cpp

@@ -0,0 +1,27 @@
+#include <iostream>
+#include <cstdio>
+using namespace std;
+
+int main()
+{
+    int k, l, m, n, d;
+    int cont = 0;
+
+    cin >> k >> l >> m >> n >> d;
+    cont = d;
+
+    if(k == 1 || l == 1 || m == 1 || n == 1)
+    {
+        cout << d << endl;
+    }
+    else
+    {
+        for(int i = 1; i <= d; i++)
+        {
+            if((i%k != 0) && (i%l != 0) && (i%m != 0) && (i%n != 0))
+                cont--;
+        }
+        cout << cont << endl;
+    }
+    return 0;
+}

151A - Soft_Drinking.cpp

@@ -0,0 +1,20 @@
+#include <iostream>
+using namespace std;
+int main(){
+    int n, k, l, c, d, p, nl, np,min;
+    cin>> n>>k>>l>>c>>d>>p>>nl>>np;
+    int r = (k*l)/nl;
+    int b = c*d;
+    int q = p/np;
+    if(r<b && r<q){
+        min=r;
+    }
+    else if(b<q){
+        min=b;
+    }
+    else{
+        min=q;
+    }
+    int result =min/n;
+    cout<<result;
+}

155A - I_love_username.cpp

@@ -0,0 +1,22 @@
+#include <iostream>
+using namespace std;
+int main() {
+    int A[1001],n,min,max,count=0;
+    cin>>n;
+    for(int i=0;i<n;i++){
+        cin>>A[i];
+    }
+    min=A[0];
+    max=A[0];
+    for(int i=1;i<n;i++){
+        if(A[i]>max){
+            count++;
+            max=A[i];
+        }
+        else if(A[i]<min){
+            count++;
+            min=A[i];
+        }
+    }
+    cout<<count;
+}

200B - drinks.cpp

@@ -0,0 +1,14 @@
+#include <iostream>
+using namespace std;
+int main(){
+    int n;
+    float volume=0.0;
+    cin >> n;
+    for(int i=0;i<n;i++){
+        int x;
+        cin >> x;
+        volume +=x;
+    }
+    float c= volume/n;
+    cout<<c;
+}

228A - horseshoe.cpp

@@ -0,0 +1,19 @@
+#include <iostream>
+using namespace std;
+int main(){
+    int A[4],count=0,a=0;
+    for(int i=0;i<4;i++){
+        cin>>A[i];
+    }
+    for(int i=0;i<4;i++){
+        if(a!=A[i]){
+            for(int j=i+1;j<4;j++){
+            if(A[i]==A[j]){
+                count++;
+                a=A[i];
+            }
+        }
+        }
+    }
+    cout<<count;
+}

231A - team.cpp

@@ -0,0 +1,15 @@
+#include <iostream>
+using namespace std;
+int main(){
+    int a,b,c,sum=0,count=0,n;
+    cin>>n;
+    for(int i=0;i<n;i++){
+        cin>>a>>b>>c;
+        sum=sum+a+b+c;
+        if(sum>=2){
+            count++;
+        }
+        sum=0;
+    }
+    cout<<count;
+}

233A-perfect_permutation.cpp

@@ -0,0 +1,14 @@
+#include <iostream>
+using namespace std;
+int main(){
+    int n;
+    cin >> n;
+    if(n%2==1){
+        cout<<-1;
+    }
+    else {
+        for(int i=1;i<=n;i+=2){
+            cout<<i+1<<' '<<i<<' ';
+        }
+    }
+}

236A - boyorgirl.cpp

@@ -0,0 +1,22 @@
+#include <iostream>
+#include <string>
+#include <algorithm>
+using namespace std;
+int main(){
+    int count=0;
+    string s;
+    cin>>s;
+    int l=s.length();
+    sort(s.begin(),s.end());
+    for(int i=0;i<s.length();i++){
+        if(s[i]!=s[i+1]){
+            count++;
+        }
+    }
+    if(count%2!=0){
+        cout<<"IGNORE HIM!";
+    }
+    else{
+        cout<<"CHAT WITH HER!";
+    }
+}

246a - cupboards.cpp

@@ -0,0 +1,35 @@
+#include <iostream>
+using namespace std;
+int main() {
+    int n,l,r;
+    int lopen=0,lclose=0,ropen=0,rclose=0;
+    cin>>n;
+    for(int i=0;i<n;i++){
+        cin>>l>>r;
+        if(l==0){
+            lclose++;
+        }
+        else{
+            lopen++;
+        }
+        if(r==0){
+            rclose++;
+        }
+        else{
+            ropen++;
+        }
+    }
+    if(lclose<lopen){
+        l=lclose;
+    }
+    else{
+        l=lopen;
+    }
+    if(rclose<ropen){
+        r=rclose;
+    }
+    else{
+        r=ropen;
+    }
+    cout<<l+r; 
+}

263A - beautiful_matrix.cpp

@@ -0,0 +1,25 @@
+#include <iostream>
+#include <math.h>
+
+using namespace std;
+
+int main()
+{
+    int x,y,i,j,a[6][6],ans;
+    for(i=0;i<5;i++){
+        for(j=0;j<5;j++){
+            scanf("%d",&a[i][j]);
+        }
+    }
+    for(i=0;i<5;i++){
+        for(j=0;j<5;j++){
+            if(a[i][j]==1){
+                x=i+1;
+                y=j+1;
+            }
+        }
+    }
+    ans=abs(x-3)+abs(y-3);
+    printf("%d\n",ans);
+    return 0;
+}