#include <stdio.h>
int main()
{
    int a=1600,b=2500;
    for(;a<=b;a++)
    {
        if(a%4==0 && a%400==0 && !a%100==0)break;
        printf("year=%4d",a);
    }
    return 0;
}

错误提示C:\Documents and Settings\Administrator\桌面\新建文件夹\Cpp3.cpp(7) : warning C4804: '%' : unsafe use of type 'bool' in operation
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