#include #include int main(void) { int year; printf("輸入西元年:"); scanf("%d",&yaer); if((year%4==0 && year % 100!=0)||(year % 400==0 && year % 4000 !=0)) printf("西元%d年為閏年。\n",year); else printf("西元%d年為平年。\n",year); return 0; }