Submission #845425

#	Time	Username	Problem	Language	Result	Execution time	Memory
845425		vjudge1	Datum (COCI20_datum)	C++17	40 / 50	8 ms	856 KiB

datum

#include <bits/stdc++.h>
using namespace std;

#define ll long long
const int N = 2e5 + 5, MOD = 1e9 + 7;

int arr[] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
vector<ll> vec;
map<ll, array<ll, 2>> mp;

int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);

	for(int i = 0; i <= 9999; i++)
	{
		string a;
		if(i < 10)
		{
			a = "000" + to_string(i);
		}
		else if(i < 100)
		{
			a = "00" + to_string(i);
		}
		else if(i < 1000)
		{
			a = "0" + to_string(i);
		}
		else
		{
			a = to_string(i);
		}

		string day;
		day.push_back(a[3]); day.push_back(a[2]);
		string month;
		month.push_back(a[1]); month.push_back(a[0]);

		ll d = stoi(day), m = stoi(month);

		if(m <= 12 and m >= 1 and d >= 1 and d <= arr[m])
		{
			vec.push_back(stoi(a));
			mp[i] = {d, m};
		}
	}

	int t;
	cin >> t;

	while(t--)
	{
		string str;
		cin >> str;

		string day;
		day.push_back(str[0]); day.push_back(str[1]);
		string month;
		month.push_back(str[3]); month.push_back(str[4]);
		string year;
		year.push_back(str[6]); year.push_back(str[7]); year.push_back(str[8]); year.push_back(str[9]);

		string asd = "123";

		ll d = stoi(day);
		ll m = stoi(month);
		ll y = stoi(year);

		int ind = lower_bound(vec.begin(), vec.end(), y) - vec.begin();

		if(y == vec[ind] and (m > mp[vec[ind]][1] or (m == mp[vec[ind]][1] and d >= mp[vec[ind]][0])))
			ind++;

		string x, z;
		if(mp[vec[ind]][0] < 10)
		{
			x = "0" + to_string(mp[vec[ind]][0]);
		}
		else
		{
			x = to_string(mp[vec[ind]][0]);
		}
		if(mp[vec[ind]][1] < 10)
		{
			z = "0" + to_string(mp[vec[ind]][1]);
		}
		else
		{
			z = to_string(mp[vec[ind]][1]);
		}
		string asdasdas;
		if(vec[ind] < 10)
		{
			asdasdas = "000" + to_string(vec[ind]);
		}
		else if(vec[ind] < 100)
		{
			asdasdas = "00" + to_string(vec[ind]);
		}
		else if(vec[ind] < 1000)
		{
			asdasdas = "0" + to_string(vec[ind]);
		}
		else
		{
			asdasdas = to_string(vec[ind]);
		}

		cout << x << "." << z << "." << asdasdas << "." << '\n';
	}
}

• Subtask 1: 40 / 50