#include <stdio.h> int main() { int a[10][10], b[10][10], result[10][10]; int r1, c1, r2, c2; int i, j, k; printf("Enter rows and columns of first matrix: "); scanf("%d %d", &r1, &c1); printf("Enter rows and columns of second matrix: "); scanf("%d %d", &r2, &c2); // Matrix multiplication condition if (c1 != r2) { printf("Matrix multiplication not possible.n"); return 0; } // Input first matrix printf("Enter elements of first matrix:n"); for (i = 0; i < r1; i++) { for (j = 0; j < c1; j++) { scanf("%d", &a[i][j]); } } // Input second matrix printf("Enter elements of second matrix:n"); for (i = 0; i < r2; i++) { for (j = 0; j < c2; j++) { scanf("%d", &b[i][j]); } } // Initialize result matrix to 0 for (i = 0; i < r1; i++) { for (j = 0; j < c2; j++) { result[i][j] = 0; } } // Matrix multiplication (TRIPLE NESTED LOOP) for (i = 0; i < r1; i++) { for (j = 0; j < c2; j++) { for (k = 0; k < c1; k++) { result[i][j] += a[i][k] * b[k][j]; } } } // Print result matrix printf("Resultant matrix:n"); for (i = 0; i < r1; i++) { for (j = 0; j < c2; j++) { printf("%d ", result[i][j]); } printf("n"); } return 0; }