View Code of Problem 51

#include <stdio.h>
#define max 10
int main()
{
	int n, i, j, sum = 0;
	int data[max][max];
	scanf("%d", &n);
	
	for(i=0; i<n; ++i ){
		for(j=0; j<n; ++j){
			scanf("%d", &data[i][j]);
		}
	}
	
	for( i=0; i<n; ++i){
		for(j=0; j<=i; ++j){
			sum += data[i][j];
		}
	}
	printf("%d", sum);
	return 0;	
}

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