Find sum of diagonal elements of the given matrix
Program:
#include<stdio.h>
#include<conio.h>
void main()
{
int mat[10][10];
int i, j, size, sum = 0;
clrscr();
printf("Enter size of the square matrix : ");
scanf("%d", &size);
printf("\nEnter the elements of the matrix : \n\n");
for(i = 0; i < size; i++)
{
for(j = 0; j < size; j++)
{
scanf("%d", &mat[i][j]);
}
}
for(i = 0; i < size; i++)
{
sum = sum + mat[i][i];
}
printf("\n The sum of diagonal elements in the matrix is : %d", sum);
getch();
}
Output:
Enter size of the square matrix : 3
Enter the elements of the matrix :
1 2 3
4 5 6
7 8 9
The sum of diagonal elements in the matrix is : 15
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UpdatedDec 30, 2019
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Views14,639
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