답안 #705916

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
705916 2023-03-05T15:55:47 Z Alihan_8 쌀 창고 (IOI11_ricehub) C++17
컴파일 오류
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#include <bits/stdc++.h>
#include "ricehub.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
typedef long long ll;
ll besthub(int R, int L, int X[], ll B){
    int n = R;
    ll Mx = 0;
    for ( int pos = 0; pos <= L; pos++ ){
        vector <int> res;
        for ( int i = 0; i < n; i++ ){
            res.pb(abs(X[i]-pos));
        }
        sort(all(res));
        ll sum = 0, cnt = 0;
        for ( auto i: res ){
            if ( sum+i > B ) break;
            cnt++, sum += i;
        }
        Mx = max(Mx, cnt);
    }
    return Mx;
}
#if false
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int R, L, B;
    cin >> R >> L >> B;
    int X[R];
    for ( int i = 0; i < R; i++ ) cin >> X[i];
    cout << besthub(R, L, X, B);

    cout << '\n';
/*
5 20 6
1 2 10 12 14
answer: 3
*/
}
#endif

Compilation message

ricehub.cpp:15:4: error: ambiguating new declaration of 'll besthub(int, int, int*, ll)'
   15 | ll besthub(int R, int L, int X[], ll B){
      |    ^~~~~~~
In file included from ricehub.cpp:2:
ricehub.h:1:5: note: old declaration 'int besthub(int, int, int*, long long int)'
    1 | int besthub(int R, int L, int X[], long long B);
      |     ^~~~~~~
ricehub.cpp: In function 'void IO(std::string)':
ricehub.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);}
      |                      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ricehub.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);}
      |                                                               ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~