C语言闰年判断算法

include

int is_leap_year(int year) {

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

return 1;

}

else {

return 0;

}

}

int main() {

int year;

printf("请输入年份：");

scanf("%d", &year);

if (is_leap_year(year)) {

printf("%d年是闰年。\n", year);

}

else {

printf("%d年不是闰年。\n", year);

}

return 0;

}