Programmimng by AJAY WADEKAR

       SUM OF ALL ELEMENTS OF ARRAY   #include <iostream> using namespace std;   int abc(int brr[], int n)    //abc is the name of function {               int sum=0;               for(int i=0; i<n; i++)               {                              sum+=brr[i];               }               return sum; }   int main() { int n = 10; int arr[n]= {1,2,3,4,5,6,7,8,9,10};   cout<<"Sum is : "<<abc(arr,n)<<endl;               return 0; }        AVERAGE OF ALL ELEMENTS OF ARRAY   #include <iostream> using namespace std;   double getAverage(int arr[], int size) {   int i, sum = 0;          double avg;                for (i = 0; i < size; i++) {       sum += arr[i];    }       avg = double(sum) / size;      return avg; }   int main () {      int balance[] = {1000, 2, 3, 17, 50};       cout << "Average value is: " <<    getAverage( balance, 5 )   << endl;  

#include <iostream> #include <string> using namespace std; int main() {     string str;     int length = 0;     cout << "Enter a string: " << endl;     getline(cin, str);     // this will take only one word               cin>>str;     for (int i = 0; str[i] != '\0'; i++) {         length++;     }     // or we can write                              length = str.length();     cout << "Length of string: " << length << endl;     return 0; }