제출 #87685

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
87685		jasony123123	Doktor (COCI17_doktor)	C++11	70 / 100	244 ms	20576 KiB

doktor

/*
Mail.Ru Cup 2018 Round 3
https://codeforces.com/contests/1056
*/
#define _CRT_SECURE_NO_WARNINGS
#include <bits/stdc++.h>
//#include <ext/pb_ds/tree_policy.hpp>
//#include <ext/pb_ds/assoc_container.hpp>

using namespace std;
//using namespace __gnu_pbds;

#define FOR(i,start,end) for(int i=start;i<(int)(end);i++)
#define FORE(i,start,end) for(int i=start;i<=(int)end;i++)
#define RFOR(i,start,end) for(int i = start; i>end; i--)
#define RFORE(i,start,end) for(int i = start; i>=end; i--)
#define vsort(a) sort(a.begin(), a.end());
#define mp make_pair
#define v vector
#define sf scanf
#define pf printf

typedef long long ll;
typedef pair<int, int > pii;
//template <class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
void io();

int N;
int cnt[1000010];
int a[500010];
int mx = 0;

int main() {
	//io();
	cin >> N;
	FORE(i, 1, N) {
		int val; cin >> val;
		a[i] = val;
		cnt[val + i]++;
		if (cnt[val + i] > cnt[mx])
			mx = val + i;
	}
	double mid = mx / 2.0;
	double part = min(N - mid, mid - 1);
	int l = (int)(mid - part), r = (int)(mid + part);
	cout << a[l] << " " << a[r] << "\n";
	return 0;
}


void io() {
#ifndef ONLINE_JUDGE
	freopen("input.in", "r", stdin);
	freopen("output.out", "w", stdout);
#else
	// online submission
#endif
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
}

컴파일 시 표준 에러 (stderr) 메시지

doktor.cpp: In function 'void io()':
doktor.cpp:53:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  freopen("input.in", "r", stdin);
  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
doktor.cpp:54:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  freopen("output.out", "w", stdout);
  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 0 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 0 / 10
• Subtask 7: 10 / 10
• Subtask 8: 0 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10