#include <stdio.h>
int main(void) {
int h;
printf("请输入一个代表小时数的整数(24小时制):\n"); else if(8<h
&&h
<=12)printf("上午好"); else if(12<h
&&h
<=18)printf("下午好"); else if(18<h
&&h
<=24)printf("晚上好"); return 0;
}
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