import java.util.HashMap;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner cin = new Scanner(System.in);
int m, s, n;
m = cin.nextInt();
s = cin.nextInt();
n = cin.nextInt();
int[][] a = new int[m][s];
int[][] b = new int[s][n];
int[][] c = new int[m][n];
for(int i = 0; i < m; i++) {
for(int j = 0; j < s; j++) {
a[i][j] = cin.nextInt();
}
}
for(int i = 0; i < s; i++) {
for(int j = 0; j < n; j++) {
b[i][j] = cin.nextInt();
}
}
for(int i = 0; i < m; i++) {
for(int j = 0; j < n; j++) {
int sum = 0;
for(int k = 0; k < s; k++) {
sum += a[i][k] * b[k][j];
}
// c[i][j] = sum;
System.out.print(sum + " ");
}
System.out.println();
}
// for(int i = 0; i < m; i++) { //注意整合到上面一起输出,否则多用个输出都超时了!!!
// for(int j = 0; j < n; j++) {
// System.out.print(c[i][j] + " ");
// }
// System.out.println();
// }
}
}
原文:https://www.cnblogs.com/zhumengdexiaobai/p/10422247.html