제출 #707142

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
707142	2023-03-08 13:53:16	Alihan_8	곤돌라 (IOI14_gondola)	C++17	100 / 100	55 ms	5712 KiB

gondola

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#include <bits/stdc++.h>
#include "gondola.h"
// include <ext/pb_ds/assoc_container.hpp>
// include <ext/pb_ds/tree_policy.hpp>
// using namespace __gnu_pbds;
using namespace std;
#define all(x) x.begin(), x.end()
#define pb push_back
// define ordered_set tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update>
#define mpr make_pair
#define ln '\n'
void IO(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
//#define int long long
int valid(int n, int inputSeq[]){
    map <int,int> mp;
    for ( int i = 0; i < n; i++ ){
        if ( mp.count(inputSeq[i]) ) return false;
        mp[inputSeq[i]] = true;
    }
    vector <pair<int,int>> res;
    for ( int i = 0; i < n; i++ ){
        if ( inputSeq[i] <= n ) res.pb({inputSeq[i], i});
    }
    sort(all(res));
    for ( int i = 1; i < (int)res.size(); i++ ){
        auto [x, y] = res[i-1];
        auto [l, r] = res[i];
        r = (r+n-y)%n;
        if ( l-x != r ) return false;
    }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

gondola.cpp: In function 'void IO(std::string)':
gondola.cpp:12:29: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 | void IO(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gondola.cpp:12:70: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 | void IO(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                                                               ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
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• Subtask 10: 10 / 10