제출 #263185

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
263185		NicolaAbusaad2014	통행료 (IOI18_highway)	C++14	컴파일 에러	0 ms	0 KiB

highway

#include "highway.h"
#include <bits/stdc++.h>
using namespace std;
map<long,long>m;
vector<long long>v;
void find_pair(int N, std::vector<int> U, std::vector<int> V, int A, int B) {
  int M = U.size();
  vector<long long>w(M);
  for (int i = 0; i < M; ++i) {
      w[i] = 0;
    }
    long long mn=ask(w);
  for (int j = 0; j < M; ++j) {
    std::vector<int> w(M);
    for (int i = 0; i < M; ++i) {
      w[i] = 0;
      if(i==j){
      w[i]=1;
      }
    }
    long long toll = ask(w);
    if(toll>mn){
    v.push_back(U[j]);
    v.push_back(V[j]);
    m[V[j]]++;
    m[U[j]]++;
    }
  }
  vector<int>ans;
  for(long i=0;i<v.size();i++){
  if(m[v[i]]==1){
  ans.push_back(v[i]);
  }
  answer(ans[0], ans[1]);
}

컴파일 시 표준 에러 (stderr) 메시지

highway.cpp: In function 'void find_pair(int, std::vector<int>, std::vector<int>, int, int)':
highway.cpp:12:22: error: invalid initialization of reference of type 'const std::vector<int>&' from expression of type 'std::vector<long long int>'
   12 |     long long mn=ask(w);
      |                      ^
In file included from highway.cpp:1:
highway.h:7:39: note: in passing argument 1 of 'long long int ask(const std::vector<int>&)'
    7 | long long ask(const std::vector<int> &w);
      |               ~~~~~~~~~~~~~~~~~~~~~~~~^
highway.cpp:30:17: warning: comparison of integer expressions of different signedness: 'long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |   for(long i=0;i<v.size();i++){
      |                ~^~~~~~~~~
highway.cpp:35:1: error: expected '}' at end of input
   35 | }
      | ^
highway.cpp:6:77: note: to match this '{'
    6 | void find_pair(int N, std::vector<int> U, std::vector<int> V, int A, int B) {
      |                                                                             ^