Lista 2 - Exercício 35

#include <stdio.h>
#include <stdlib.h>

int main()
{
    int day,month,year;

    printf("Entre com a data completa : (formato dd/mm/aaaa)\n"); scanf("%d %d %d",&day,&month,&year);

    if ((month == 4)||(month == 6)||(month == 9)||(month == 11))
    {
        if (day>30) printf("Data invalida!\n");
        else printf("Data valida!\n");
    }
    else if (month == 2)
    {
        if ((year%4 == 0)&&(year%100 != 0)&&(year%400 == 0))
        {
            if (day>29) printf("Data invalida!\n");
            else printf("Data valida!\n");
        }
        else
        {
            if (day>28) printf("Data invalida!\n");
            else printf("Data valida!\n");
        }
    }
    else
    {
        if (day>31) printf("Data invalida!\n");
        else printf("Data valida!\n");
    }
    return 0;
}