题解 | 四季

#include <stdio.h>

int main() {
    int a;
    while (scanf("%d",&a) == 1){
    int season = a % 100;
    if(season == 12 || 0 < (season<= 2))
    {
        printf("winter");
    }
    else if (3<=season && season<=5) {
            printf("spring");
    }
    else if (6<=season && season<=8) {
            printf("summer");
    }
    else if (9<=season && season<=11) {
            printf("autumn");
    }
    else {
        printf("请输入正确的年月份\n");
    }
    }
    return 0;
}