日期问题

#include <iostream>
#include <cstring>

using namespace std;

const int months[] = {
    0, 31, 28, 31, 30, 31,
    30, 31, 31, 30, 31, 30, 31
};

bool check(string s)
{
    for(int i = 0; i + 2 < s.size(); i ++)
    {
        if(s[i] == s[i + 1] - 1 && s[i + 1] == s[i + 2] - 1)
        {
            return true;
        }
    }

    return false;
}
int main()
{

    int year = 2024, month = 1, day = 1;
    int res = 0;
    for(int i = 0; i < 365; i ++)
    {
        char s[10];
        sprintf(s, "%04d%02d%02d", year, month, day);

        if(check(s)){
            res ++;
        }

        if( ++ day > months[month])
        {
            day = 1;
            month ++;
        }
    }

    cout << res;
    return 0;
}