C语言程序:输入1-12输出该月日历 2018年的答:include<stdlib.h>#include<stdio.h>int main(){int n, i;int month[12]={31,28,31,30,31,30,31,31,30,31,30,31};int day = 0, days;printf("Please input n:");scanf("%d", &n);if(n==0)exit(0);for(i = 0; i < n-1; i++){day+=month[i];}days = day % ...