답안 #1046006

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1046006	2024-08-06T08:56:23 Z	ezzzay	봉쇄 시간 (IOI23_closing)	C++17	컴파일 오류	0 ms	0 KB

closing

 #include "closing.h"
#include<bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back
#define ll int
#include <vector>
const int MN=1e6;
vector<pair<int,ll>>v[MN];
int distx[MN],disty[MN];

void dfsx(int a, int p){
    for(int i=0;i<v[a].size();i++){
        pair<int,ll>t=v[a][i];
        if(p==t.ff)continue;
        distx[t.ff]=distx[a]+t.ss;
        dfsx(t.ff,a);
    }
}
void dfsy(int a, int p){
    for(auto t:v[a]){
        if(p==t.ff)continue;
        disty[t.ff]=disty[a]+t.ss;
        dfsy(t.ff,a);
    }
}
int max_score(int N, int X, int Y, long long K,
              std::vector<int> U, std::vector<int> V, std::vector<int> W)
{
    
    
    ll k=K;
    for(int i=0;i<N-1;i++){
        int a=U[i];
        int b=V[i];
        ll c=W[i];
        v[a].pb({b,c});
        v[b].pb({a,c});
    }
     
    dfsx(X,-1);
   return 0;
    dfsy(Y,-1);
    
    vector<ll>vx,vy;
    for(int i=0;i<N;i++){
        vx.pb(distx[i]);
        vy.pb(disty[i]);
    }
    sort(vx.begin(),vx.end());
    sort(vy.begin(),vy.end());
    for(int i=1;i<N;i++){
        vy[i]+=vy[i-1];
    }
    ll s=0;
    ll ans=0;
    for(ll i=0;i<N;i++){
        s+=vx[i];
        if(s>k)break;
        auto it=upper_bound(vy.begin(),vy.end(),k-s)-vy.begin();
        it++;
        ans=max(ans,i+it);
    }
    return ans;
}

Compilation message

closing.cpp: In function 'void dfsx(int, int)':
closing.cpp:14:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |     for(int i=0;i<v[a].size();i++){
      |                 ~^~~~~~~~~~~~
closing.cpp: In function 'int max_score(int, int, int, long long int, std::vector<int>, std::vector<int>, std::vector<int>)':
closing.cpp:63:25: error: no matching function for call to 'max(int&, long int)'
   63 |         ans=max(ans,i+it);
      |                         ^
In file included from /usr/include/c++/10/vector:60,
                 from closing.h:1,
                 from closing.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
closing.cpp:63:25: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long int')
   63 |         ans=max(ans,i+it);
      |                         ^
In file included from /usr/include/c++/10/vector:60,
                 from closing.h:1,
                 from closing.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
closing.cpp:63:25: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long int')
   63 |         ans=max(ans,i+it);
      |                         ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from closing.cpp:2:
/usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3480 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3480:5: note:   template argument deduction/substitution failed:
closing.cpp:63:25: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   63 |         ans=max(ans,i+it);
      |                         ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from closing.cpp:2:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3486:5: note:   template argument deduction/substitution failed:
closing.cpp:63:25: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   63 |         ans=max(ans,i+it);
      |                         ^