제출 #263248

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
263248		NicolaAbusaad2014	통행료 (IOI18_highway)	C++14	컴파일 에러	0 ms	0 KiB

highway

#include "highway.h"
#include <bits/stdc++.h>
using namespace std;
long long mn,a,m;
int T;
map<long,map<long,long> >mp;
vector<long long>edges;
void dfs(long n,long p,long d)
{
    if(d==mn){
    std::vector<int> w(m);
    for (int i = 0; i < m; ++i) {
      w[i] = 0;
      if(i==mp[n][p]){
      w[i]=1;
      }
    }
    long long toll = ask(w);
    if(toll>(mn*a)){
    T=n;
    }
    return;
    }
    for(long i=0;i<(long)edges[n].size();i++){
    dfs(edges[n][i],n,d+1);
    }
}
void find_pair(int N, std::vector<int> U, std::vector<int> V, int A, int B) {
  a=A;
  m=M;
  int M = U.size();
  vector<int> w(M);
  for (int i = 0; i < M; ++i) {
      w[i] = 0;
    }
    mn=(ask(w)/A);
  edges.resize(N);
  for(long i=0;i<M;i++){
  edges[V[i]].push_back(U[i]);
  edges[U[i]].push_back(V[i]);
  mp[V[i]][U[i]]=i;
  mp[U[i]][V[i]]=i;
  }
  dfs(0,0,0);
  answer(0,T);
}

컴파일 시 표준 에러 (stderr) 메시지

highway.cpp: In function 'void dfs(long int, long int, long int)':
highway.cpp:24:35: error: request for member 'size' in 'edges.std::vector<long long int>::operator[](((std::vector<long long int>::size_type)n))', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'}
   24 |     for(long i=0;i<(long)edges[n].size();i++){
      |                                   ^~~~
highway.cpp:25:19: error: invalid types '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type {aka long long int}[long int]' for array subscript
   25 |     dfs(edges[n][i],n,d+1);
      |                   ^
highway.cpp: In function 'void find_pair(int, std::vector<int>, std::vector<int>, int, int)':
highway.cpp:30:5: error: 'M' was not declared in this scope
   30 |   m=M;
      |     ^
highway.cpp:39:15: error: request for member 'push_back' in 'edges.std::vector<long long int>::operator[](((std::vector<long long int>::size_type)V.std::vector<int>::operator[](((std::vector<int>::size_type)i))))', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'}
   39 |   edges[V[i]].push_back(U[i]);
      |               ^~~~~~~~~
highway.cpp:40:15: error: request for member 'push_back' in 'edges.std::vector<long long int>::operator[](((std::vector<long long int>::size_type)U.std::vector<int>::operator[](((std::vector<int>::size_type)i))))', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'}
   40 |   edges[U[i]].push_back(V[i]);
      |               ^~~~~~~~~