日历问题

//日历问题 #include<stdio.h>int type(int i);char week[7][10]={"Saturday","Sunday","Monday","Tuesday","Wednesday","Thursday","Friday"};int year[2]={365,366};int month[2][12]={31,28,31,30,31,30,31,31,30,21,30,31,31,29,31,30,31,30,31,31,30,21,30,31};int main(){int days,dayofweek;int i,j;while(scanf("%d",&days)&&days!=-1){dayofweek=days%7;for(i=2000;days>=year[type(i)];i++)days-=year[type(i)];for(j=0;days>=month[type(i)][j];j++)days-=month[type(i)][j];printf("%d-%02d-%02d %s\n",i,j+1,days+1,week[dayofweek]);}return 0;}int type(int i){if(i%4!=0||(i%100==0&&i%400!=0))return 0;else return 1;}