#include<stdio.h> #include<stdlib.h> int leap(int x) { if (x % 4 == 0 || x % 100 != 0 && x % 400 == 0) { return 1; } return 0; } int main() { int year=0; for (year = 1000; year <= 2000; year++) { if (leap(year)) printf("%d\n", year); } system(“pause”); return 0; }