제출 #1000746

#제출 시각아이디문제언어결과실행 시간메모리
1000746nomuluun경주 (Race) (IOI11_race)C++17
컴파일 에러
0 ms0 KiB
#include<bits/stdc++.h> using namespace std; typedef long long ll; ll N=4, K=3; ll H[200005][2]; ll L[200005]; vector<pair<int,int>>v[200005]; ll mi=INT_MAX; void dfs(ll q, ll dis, ll hi, ll vis[200005]){ if(dis==K){ mi=min(mi,hi); } for(int i=0; i<v[q].size(); i++){ int k=v[q][i].first; ll cost=v[q][i].second; if(!vis[k]){ vis[k]=1; dfs(k,dis+cost,hi+1,vis); } } } int best_path(ll N, ll K, ll H[200005][2], ll L[200005]){ for(int i=0; i<N-1; i++){ ll vis[1000]={0}; vis[i]=1; dfs(i,0,0,vis); //ehleh oroi distance highway } if(mi==INT_MAX)return -1; else return mi; } int main(){ cin>>N>>K; for(int i=0; i<N-1; i++){ cin>>H[i][0]>>H[i][1]>>L[i]; } for(int i=0; i<N-1; i++){ v[H[i][0]].push_back({H[i][1], L[i]}); v[H[i][1]].push_back({H[i][0], L[i]}); } cout<<best_path(N,K,H,L); }

컴파일 시 표준 에러 (stderr) 메시지

race.cpp: In function 'void dfs(ll, ll, ll, ll*)':
race.cpp:13:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     for(int i=0; i<v[q].size(); i++){
      |                  ~^~~~~~~~~~~~
/usr/bin/ld: /tmp/cchDsRKz.o: in function `main':
race.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cc8i6rsz.o:grader.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cc8i6rsz.o: in function `main':
grader.cpp:(.text.startup+0x28): undefined reference to `best_path(int, int, int (*) [2], int*)'
collect2: error: ld returned 1 exit status