某年某月有几天

来源:百度文库 编辑:神马文学网 时间:2024/04/29 18:09:10
#include void main(void) { int month; int day; int years; int yflag; printf("输入想要查询的年份:\n"); scanf("%d",&years); printf("输入想要查询的月份:\n"); scanf("%d",&month); if(years%4==0&&years%100!=0||years%400==0) yflag=1; else yflag=0; switch(month) { case 1: case 3: case 5: case 7: case 8: case 10: case 12: day=31; break; case 4: case 6: case 9: case 11: day=30; break; case 2: day=28+yflag; break; default: day=-1; } if (day==-1) printf("day is error\n"); else printf("the years %d of moth %d has %d day!",years,month,day); }