(07.09.23) Practice 1

#include <stdio.h>
int main() {
    int n1, n2, m1, m2;
    scanf("%d", &n1);
    scanf("%d", &n2);
    scanf("%d", &m1);
    scanf("%d", &m2);
    if (n2 == m1) {
        int a[10][10], b[10][10], c[10][10];
        for (int i = 0; i < n1; i++) {
            for (int j = 0; j < n2; j++) {
                scanf("%d", &a[i][j]);}
        }
        for (int i = 0; i < m1; i++) {
            for (int j = 0; j < m2; j++) 
                scanf("%d", &b[i][j]); }
        }
        for (int i = 0; i < n1; i++) {
            for (int j = 0; j < m2; j++) {
                c[i][j] = 0;
                for (int k = 0; k < n2; k++) {
                    c[i][j] += a[i][k] * b[k][j];}
                }
          }
      for (int i = 0; i < n1; i++) {
            for (int j = 0; j < m2; j++) {
                printf("%d\t", c[i][j]);}
            printf("\n ");}
        }