check if a number can be obtained as sum of elements of a given array code example
Example: how to find sum of array
//C++
int arr[5]={1,2,3,4,5};
int sum=0;
for(int i=0; i<5; i++){sum+=arr[i];}
cout<<sum;//C++
int arr[5]={1,2,3,4,5};
int sum=0;
for(int i=0; i<5; i++){sum+=arr[i];}
cout<<sum;