Program for multiplication of two matrices

#include <stdio.h>

int main() {
int a[10][10], b[10][10], result[10][10];
int i, j, k, r1, c1, r2, c2;

// Input rows and columns for first matrix
printf("Enter rows and columns for first matrix: ");
scanf("%d %d", &r1, &c1);

// Input rows and columns for second matrix
printf("Enter rows and columns for second matrix: ");
scanf("%d %d", &r2, &c2);

// Check if multiplication is possible
if (c1 != r2) {
printf("Matrix multiplication not possible. Columns of first matrix must equal rows of second matrix.\n");
return 1;
}

// 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
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];
}
}
}

// Display the result
printf("Resultant matrix after multiplication:\n");
for (i = 0; i < r1; i++) {
for (j = 0; j < c2; j++) {
printf("%d ", result[i][j]);
}
printf("\n");
}

return 0;
}