C Program to add the element of upper triangle in a matrix - With Output

#include<stdio.h>

#include<conio.h>

void main()

{

int a[10][10],i,j,sum=0,size=3;

printf(“Enter the elements of the matrix\n”);

for(i=0;i<size;++i)

{

for(j=0;j<size;++j)

{

scanf(“%d”,&a[i][j]);

if(i<j)

sum=sum+a[i][j];

}

}

printf(“Sum of element of upper triangle is  : %d”,sum);

getch();

}

OUTPUT  :

Enter the element of the matrix

1

2

3

4

5

6

7

8

9

Sum of element of upper triangle is : 11

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About Akash Manhas

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