#include <stdio.h> int main () { int i=0,year; printf("2000-2050中闰年为:\n"); for(year=2000;year<=2050;year++) {if(year%4==0&&year%100!=0||year%400==0) {printf("%8d",year); i++; if(i%4==0) putchar('\n');} } return 0; }