题解 | 乘法表

#include <stdio.h>

int main() {
    for (int i = 1; i <= 3; i++) {
        for (int j = 1; j <= i; j++) {
            printf("%d*%d= %d ", j, i, i * j);
        }
        printf("\n");
    }

    for (int i = 4; i <= 4; i++) {
        for (int j = 1; j <= 2; j++) {
            printf("%d*%d= %d ", j, i, i * j);
        }
        for (int j = 3; j <= i; j++) {
            printf("%d*%d=%d ", j, i, i * j);
        }
        printf("\n");
    }

    for (int i = 5; i <= 9; i++) {
        for (int j = 1; j <= 1; j++) {
            printf("%d*%d= %d ", j, i, i * j);
        }
        for (int j = 2; j <= i; j++) {
            printf("%d*%d=%d ", j, i, i * j);
        }
        printf("\n");
    }


    return 0;
}