#include <stdio.h>
#define SIZE 3 // 矩阵的大小
int main() {
    // 初始化矩阵
    int matrix1[SIZE][SIZE] = { { 1, 2, 3 }, { 3, 4, 5 }, { 3, 4, 5 } };
    int matrix2[SIZE][SIZE] = { { 4, 5, 6 }, { 6, 7, 8 }, { 6, 7, 8 } };
    int result[SIZE][SIZE] = { { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 } };
    int n = SIZE;    int count = 0;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            result[i][j] = 0;
            for (int k = 0; k < n; k++) {
                result[i][j] += matrix1[i][k] * matrix2[k][j];
                count++;
            }
        }
    }
    // 输出结果
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            printf("%d ", result[i][j]);
        }
        printf("\n");
    }
    printf("N: %d, count: %d\n", n, count);
    return 0;
}