Go4krishanu patch 2

Store_Display_Information_Using_Structure

@@ -0,0 +1,41 @@
+#include <iostream>
+using namespace std;
+
+struct student
+{
+    char name[50];
+    int roll;
+    float marks;
+} s[10];
+
+int main()
+{
+    cout << "Enter information of students: " << endl;
+
+    // storing information
+    for(int i = 0; i < 10; ++i)
+    {
+        s[i].roll = i+1;
+        cout << "For roll number" << s[i].roll << "," << endl;
+
+        cout << "Enter name: ";
+        cin >> s[i].name;
+
+        cout << "Enter marks: ";
+        cin >> s[i].marks;
+
+        cout << endl;
+    }
+
+    cout << "Displaying Information: " << endl;
+
+    // Displaying information
+    for(int i = 0; i < 10; ++i)
+    {
+        cout << "\nRoll number: " << i+1 << endl;
+        cout << "Name: " << s[i].name << endl;
+        cout << "Marks: " << s[i].marks << endl;
+    }
+
+    return 0;
+}

coin_change.cpp

@@ -0,0 +1,30 @@
+#include <bits/stdc++.h>  
+using namespace std;  
+
+
+int minCoins(int coins[], int total_coins, int N) // Function to return the minimum // coins needed   
+{  
+        if (N == 0) // If we have a combination then   
+        return 0;  
+
+    int result = INT_MAX; // Currently result is initialised as INT_MAX   
+
+    for (int i = 0; i < total_coins; i++) // run until availability of coins  
+    {  
+        if (coins[i] <= N) { // Add to the list of counting   
+            int sub_res = 1 + minCoins(coins, total_coins, N - coins[i]); // add 1 due to the coin inclusion  
+            // see if result can minimize  
+            if (sub_res < result)  
+                result = sub_res;  
+        }  
+    }  
+    return result;  
+}  
+
+int main()  
+{  
+    int coins[] = { 10, 25, 5 };  
+    int sum = 30; // the money to convert  
+    int total_coins = 3; // total availability of coins  
+    cout << "Minmum coins needed are " << minCoins(coins, total_coins, sum);  
+}