蓝桥杯算法提高VIP-栅格打印问题-题解(C语言代码)

#include <stdio.h>
int main(void)
{
    int i = 0, j = 0, n = 0, m = 0;
    scanf("%d %d", &n, &m);
    if (n<=0 || m<=0) return 0;
    for (i = 0; i < n; ++i) {
        for (j = 0; j < m; ++j) {
            printf("+-");
        }
        printf("+\n");
        for (j = 0; j < m; ++j) {
            printf("| ");
        }
        printf("|\n");
    }
    for (i = 0; i < m; ++i) {
        printf("+-");
    }
    printf("+");
    return 0;
}