제출 #132318

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
132318		reda	팀들 (IOI15_teams)	C++14	컴파일 에러	0 ms	0 KiB

teams

#include<bits/stdc++.h>
using namespace std ;
# include "teams.h"
vector<pair<int,int>>  v; 
void init( int  n , int a[] , int  b[])
{
    for(int i= 0; i < n ; i ++)
    {
        v.push_back(make_pair(a[i],b[i]));
    }
    sort(v.begin(),v.end());
}
bool can(int M, int  K[])
{
      set < pair <int, int> > s;
      int p = 0;
      sort(K, K + M);
      for(int i = 0; i < M; i ++)
      {
            int flag = K[i];
            while(p < v.size() && flag > 0)
                {
                  s.insert({v[p].second, p});
                  p++;
                  while( flag> 0 && !s.empty())
                  {
                        pair <int, int> it = *s.begin();
                        if(it.first <= K[i] && K[i] <= v[it.second].first)
                        {
                              s.erase(s.begin());
                              flag--;
                        } 
                        else if(v[it.second].first < K[i])s.erase(s.begin());
                        else break;
                  }
                }
            if(flag > 0) return false;
      }
      return true;
}

컴파일 시 표준 에러 (stderr) 메시지

teams.cpp: In function 'bool can(int, int*)':
teams.cpp:13:6: error: ambiguating new declaration of 'bool can(int, int*)'
 bool can(int M, int  K[])
      ^~~
In file included from teams.cpp:3:0:
teams.h:5:5: note: old declaration 'int can(int, int*)'
 int can(int M, int K[]);
     ^~~
teams.cpp:21:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             while(p < v.size() && flag > 0)
                   ~~^~~~~~~~~~