View Code of Problem 51

#include <stdio.h>
int main(int argc, char *argv[])
{
	int N=0,i=0,j=0,A[10][10],sum=0;
	scanf("%d",&N);
	for(i=0;i<N;i++)
	{
		for(j=0;j<N;j++)
		{
			scanf("%d",&A[i][j]);
		}
	}
	for(i=0;i<N;i++)
	{
		for(j=0;j<N;j++)
		{
			if(i>=j)
				sum+=A[i][j];
		}
	}	
	printf("%d",sum);
	
	return 0;
}

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