Submission #335241

#	Time	Username	Problem	Language	Result	Execution time	Memory
335241		ronnith	Datum (COCI20_datum)	C++14	20 / 50	1097 ms	364 KiB

datum

#include <bits/stdc++.h>

using namespace std;

// char ss[100];

bool pal(string a){
	int n = a.size();
	for(int i = 0;i < 8;i ++){
		if(a[i] != a[n - i - 1])return false;
	}
	return true;
}

int main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	int tt;
	cin >> tt;
	int m1[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
	int m2[12] = {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
	while(tt --){
		string s;
		cin >> s;
		int dd = (s[0] - '0') * 10 + (s[1] - '0');
		int mm = (s[3] - '0') * 10 + (s[4] - '0');
		int yy = (s[6] - '0') * 1000 + (s[7] - '0') * 100 + (s[8] - '0') * 10 + (s[9] - '0');
		for(int i = mm;i <= 12;i ++){
			bool done = false;
			for(int j = ((i == mm)?dd:1);j <= ((yy % 4 == 0)?m2[i - 1]:m1[i - 1]);j ++){
				stringstream ss;
				ss << j / 10 << j % 10 << i / 10 << i % 10 << (yy / 1000) % 10 << (yy / 100) % 10 << (yy / 10) % 10 << yy % 10;
				// cerr << ss.str() << '\n';
				if(pal(ss.str())){
					// cerr << "yes";
					done = true;
					stringstream ans;
					ans << j / 10 << j % 10 << '.' <<  i / 10 << i % 10 << '.' << (yy / 1000) % 10 << (yy / 100) % 10 << (yy / 10) % 10 << yy % 10 << '.';
					cout << ans.str() << '\n';
					break;
				}
			}
			if(done)break;
		}
		// for(int i = dd + 1;i <= 31;i ++){
			
		// }
	}
	return 0;
}

• Subtask 1: 20 / 50