从键盘输入一个年份和月份,输出这个月份的天数 (用C语言哦)答:include<stdio.h> int a[]={31,28,31,30,31,30,31,31,30,31,30,31},*p1,*p2,*p3,i=1,k=0;int main(){ int p1,p2;printf("请依次输入年·月:\n");scanf("%d%d",&p1,&p2);if(p1%4==0&&p1%100!=0||p1%400==0)a[1]=29;if(p2>12)printf("您的输入有误!\n"...
C语言输入年份月份,输出天数。答:){int year,day,d,month,leap;int i;int Month[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};printf("输入年份:\n");scanf("%d",&year);printf("输入月份:\n");scanf("%d",&month);if( (year%4!=0) ||( (year%100==0)&& (year%400!=0))) Month[2] = 29;...