&&优先于||

#include<stdio.h>
int main()
{
    int year;
    scanf("%d",&year);
    if((year%4==0&&year%100)||year%400==0)
    printf("yes\n");
    else printf("no\n"); 
}

都给我上岸

#include int main(){ int fun(int n); int a=fun(2024); printf("%d",a); } int fun(int n){ if(n%4==0&&n%100!=0||n%400==0) return 1; return 0; }

#include "stdio.h"

int main() {

    int year;

    printf("请输入年份！\n");
    scanf("%d", &year);

    if(((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0)) {

        printf("%d 是闰年~", year);
    } else {
        
        printf("%d 不是闰年！", year);
    }
}

#include <stdio.h>
int main()
{
    int n;
    scanf("%d",&n);
    if(n%400==0||n%4==0&&n%100!=0)
        printf("是闰年");
    else
    {
        printf("不是闰年");
    }
    return 0;
}

if(year%100 == 0 && year % 4 == 0 || year % 400 == 0) printf("is leap year");

#include<stdio.h>

int main(){

int year;

scanf("%d",&year);

if((year%4==0&&year%100!=0)||(year%400==0)) printf("%d 是闰年\n",year);

else printf("%d 不是闰年\n",year);

return 0;

}

重庆下辈子一定去

#include<stdio.h>

int main(){

int year;

scanf("%d",&year);

if((year%4==0&&year%100!=0)||(year%400==0))

printf("%d is瑞年\n",year);

else

printf("%d not is year\n",year);

return 0;}

#include<stdio.h>

int main(){

int year;

scanf("%d",&year);

if((year%4==0&&year%100!=0)||(year%400==0)

printf("%d is瑞年\n",year);

else

printf("%d not is year\n",year);

return 0;}

#include<stdio.h>

int main(){

int year;

scanf("%d",&d);

if((year%4==0&&year%100!=0)||(year%400==0)

printf("%d is瑞年\n",year);

else

printf("%d not is year\n",year);

return 0;}

#include<stdio.h>

int main(){

int year;

scanf("%d",&d);

if((year%4==0&&year%100!=0)||(year%400==0)

printf("%d is瑞年\n",year);

else

printf("%d not is year\n",year);

return 0;}

#include <stdio.h>
int main()
{
    int year=0;
    printf("输入年份: ");
    scanf("%d",&year);
    if(year%4==0&&(year%100)!=0)
    {
        printf("%d是闰年",year);
    }
    else if(year%400==0)
    {
        printf("%d是闰年",year);
    }
    else
    {
        printf("%d不是闰年",year);
    }
    return 0;
} 

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>

int main() {
    int i;
    printf("请输入一个年份");
    scanf("%d", &i);
    if (i % 4 == 0 && i % 100 != 0 || i % 400 == 0)
        printf("%d年是闰年", i);
    else
        printf("%d年不是闰年",i);

return 0;
}

#include<stdio.h>
int main(){
int year;
scanf("%d",&year);
if((year%4==0&&year%100!=0)||year%400==0){
    printf("%d为闰年\n",year);
}
else{
    printf("%d为平年\n",year);
}
    return 0;
}

#include <stdio.h>
int main() {
    int year;
    scanf_s("%d",&year);
    if(year%100==0){
        if(year%400==0){
            printf_s("%d是闰年",year);
        } else{
            printf_s("%d不是闰年",year);
        }
    } else if(year%4==0){
        printf_s("%d是闰年",year);
    } else{
        printf_s("%d不是闰年",year);
    }
}

#include <stdio.h> 
int main() { 
    int year;
    printf("请输入年份：");
    scanf("%d",&year);
    if(year%4==0&&year%100!=0||year%400==0)
        printf("是闰年\n");
    else
        printf("不是闰年\n");
}

#include<bits/stdc++.h>

using namespace std;

int main(){

int x,y,p,q;

scanf("%d",&a);

if(year<0)

printf("年份输入有误，请重新输入\n");

else{

if((year%4==0 && year%100!=0) || year%400==0)

printf("该年是闰年\n");

else

printf("该年不是闰年\n");;

}

return 0

}

#include <stdio.h>

int main()

{

int year=0;

printf("请输入年份：\n");

scanf("%d",&year);

if(year<0)

printf("年份输入有误，请重新输入\n");

else{

if((year%4==0 && year%100!=0) || year%400==0)

printf("该年是闰年\n");

else

printf("该年不是闰年\n");;

}

return 0;

}