matrix column sum.c

/**
Given a matrix of size N x M. Print column-wise sum, separated by a newline.

Input Format

The first line of input contains N, M - the size of the matrix. Its followed by N lines each containing M integers - elements of the matrix.

Constraints

1 <= N, M <= 100
-106 <= ar[i] <= 106


Output Format

Print the column wise sum, separated by newline.

Sample Input 0

2 2
5 -1
19 8
Sample Output 0

24
7
Explanation 0

Self Explanatory.
**/

#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>

int main() {

   int n,m,i,j;
    long long a[100][100];
    scanf("%d %d",&n,&m);
    for(i=0;i<n;i++)
    {
        for(j=0;j<m;j++)
    {
        scanf("%lld",&a[i][j]);
    }
    }
    
  for(j=0;j<m;j++)
{int sum=0;
    for(i=0;i<n;i++)
    {
        sum=sum+a[i][j];
    }
    printf("%d\n",sum);
}
}