제출 #335239

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
335239		ronnith	Datum (COCI20_datum)	C++14	10 / 50	138 ms	620 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 = dd + 1;i <= 31;i ++){
			stringstream ss;
			ss << i / 10 << i % 10 << mm / 10 << mm % 10 << (yy / 1000) % 10 << (yy / 100) % 10 << (yy / 10) % 10 << yy % 10;
			// cerr << ss.str() << '\n';
			if(pal(ss.str())){
				// cerr << "yes";
				stringstream ans;
				ans << i / 10 << i % 10 << '.' <<  mm / 10 << mm % 10 << '.' << (yy / 1000) % 10 << (yy / 100) % 10 << (yy / 10) % 10 << yy % 10 << '.';
				cout << ans.str() << '\n';
				break;
			}
		}
	}
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

datum.cpp: In function 'int main()':
datum.cpp:19:6: warning: unused variable 'm1' [-Wunused-variable]
   19 |  int m1[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
      |      ^~
datum.cpp:20:6: warning: unused variable 'm2' [-Wunused-variable]
   20 |  int m2[12] = {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
      |      ^~

• Subtask 1: 10 / 50