Created
May 7, 2022 08:38
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computing the sums of two diagonals and sum diagonal of a matrix in c language
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\\\ sum of main diagonal | |
/// sum of sub diagonal | |
#include <stdio.h> | |
void main () | |
{ | |
static int array[10][10]; | |
int i, j, m, n, a = 0, sum = 0; | |
printf("Enetr the order of the matix \n"); | |
scanf("%d %d", &m, &n); | |
if (m == n ) | |
{ | |
printf("Enter the co-efficients of the matrix\n"); | |
for (i = 0; i < m; ++i) | |
{ | |
for (j = 0; j < n; ++j) | |
{ | |
scanf("%d", &array[i][j]); | |
} | |
} | |
printf("The given matrix is \n"); | |
for (i = 0; i < m; ++i) | |
{ | |
for (j = 0; j < n; ++j) | |
{ | |
printf(" %d", array[i][j]); | |
} | |
printf("\n"); | |
} | |
for (i = 0; i < m; ++i) | |
{ | |
sum = sum + array[i][i]; | |
a = a + array[i][m - i - 1]; | |
} | |
printf("\nThe sum of the main diagonal elements is = %d\n", sum); | |
printf("The sum of the off diagonal elements is = %d\n", a); | |
} | |
else | |
printf("The given order is not square matrix\n"); | |
} |
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