pp_99_11.c

ca认证

#include<stdio.h>
void main()
{
int year,i=0;
for(year=1900;year<=2000;year++)
{
  if(year%400==0||year%4==0&&year%100!=0)
  {printf("%d\t",year);
  i++;
  if(i%3==0) printf("\n");}
  
}
}