Sum of diagonal elements of a mxn matrix Program in C
WAP that finds the sum of diagonal elements of a mxn matrix.
#include<stdio.h>
void main()
{
int i,j,k,matrix[3][3],sum=0;
printf("Enter matrix:-\n");
for(i=0;i<=2;i++)
{
for(j=0;j<=2;j++)
{
scanf("%d",&matrix[i][j]);
}
}
printf("Matrix is:-\n");
for(i=0;i<=2;i++)
{
for(j=0;j<=2;j++)
{
printf("%d ",matrix[i][j]);
}
printf("\n");
}
for(i=0;i<=2;i++)
{
for(j=0;j<=2;j++)
{
if(i==j)
{
sum = sum + matrix[i][j];
}
}
}
printf("Sum of diagonal is = %d ",sum);
}
Output:
Enter matrix:- 1 2 3 4 5 6 7 8 9 Matrix is:- 1 2 3 4 5 6 7 8 9 Sum of diagonal is = 15
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