题解 | #计算两个矩阵的乘积#

#include <stdio.h>
int main(){
    int matrix1[2][3];
    int matrix2[3][2];
    //输入
    for (int i = 0; i < 2; ++i) {
        for (int j = 0; j < 3; ++j) {
            scanf("%d", &matrix1[i][j]);
        }
    }
    for (int i = 0; i < 3; ++i) {
        for (int j = 0; j < 2; ++j) {
            scanf("%d", &matrix2[i][j]);
        }
    }
    //计算
    int result[2][2];
    int temp = 0;
    for (int i = 0; i < 2; ++i) {
        for (int j = 0; j < 2; ++j) {
            for (int k = 0; k < 3; ++k) {
                temp += matrix1[i][k] * matrix2[k][j];
            }
            result[i][j] = temp;
            temp = 0;
        }
    }
    for (int i = 0; i < 2; ++i) {
        for (int j = 0; j < 2; ++j) {
            printf("%d ", result[i][j]);
        }
        printf("\n");
    }
    return 0;
}