제출 #845086

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
845086		vjudge1	Datum (COCI20_datum)	C++14	20 / 50	21 ms	520 KiB

datum

// Aber der schlimmste Fiend, dem du begegnen kannst, wirst du immer dir selber sein
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma,tune=native")
#define fast_io ios_base::sync_with_stdio(false);cin.tie(NULL);
#define ff first
#define ss second
#define pb push_back
#define rev reverse
#define all(x) x.begin(),x.end()
#define acc accumulate
#define sz size()
#define MOD 1000000007
#define rall(x) x.rbegin(),x.rend()
#define rep(i, x, n) for(int i = x; i < n; i++)
using namespace std;
const int N = 2e5 + 5;
int arr[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
int check(int d, int m, int y){
    m--;
    if(d == 0) return 0;
    if(d <= arr[m]) return 1;
    if(d == 29 && m == 1 && y % 4 == 0) return 1;
    return 0;
}
inline void solve(){
    int n;
    cin >> n;
    for(int i = 0; i < n; i++){
        string s;
        cin >> s;
        int year;
        year = (s[6] - '0') * 1000 + (s[7] - '0') * 100 + (s[8] - '0') * 10 + (s[9] - '0');
        if(s[0] == s[9] && s[1] == s[8] && s[3] == s[7] && s[4] == s[6]){
            year++;
        }
        int year_in_arr[4];

        year_in_arr[0] = year / 1000;
        year %= 1000;
        year_in_arr[1] = year / 100;
        year %= 100;
        year_in_arr[2] = year / 10;
        year %= 10;
        year_in_arr[3] = year;
        year = year_in_arr[0] * 1000 + year_in_arr[1] * 100 + year_in_arr[2] * 10 + year_in_arr[3];
        while(1){
            int d = year_in_arr[3] * 10 + year_in_arr[2];
            int m = year_in_arr[1] * 10 + year_in_arr[0];
            int y = year;
            if(check(d, m, y)){
                cout << ((d < 10) ? "0" : "") << d << "." << ((m < 10) ? "0" : "") << m << "." << ((y < 10) ? "000" : ((y < 100) ? "00" : ((y < 1000) ? "0" : ""))) << y << "." << endl;
                break;
            }
            year++;
            year_in_arr[3]++;
            if(year_in_arr[3] == 10) year_in_arr[3] = 0, year_in_arr[2]++;
            if(year_in_arr[2] == 10) year_in_arr[2] = 0, year_in_arr[1]++;
            if(year_in_arr[1] == 10) year_in_arr[1] = 0, year_in_arr[0]++; 
        }
    }
}
int main(){
    fast_io
    int t;
    t = 1;
    while(t--) solve();
}

• Subtask 1: 20 / 50