제출 #777164

#제출 시각아이디문제언어결과실행 시간메모리
777164groshi사이버랜드 (APIO23_cyberland)C++17
컴파일 에러
0 ms0 KiB
#include<bits/stdc++.h> #define int long long using namespace std; struct wi{ vector<int> Q; double dp[203]; int co; int odw=0; }*w; vector<int> moge; void dfs(int x,int nie) { w[x].odw=1; if(x==nie) return; if(w[x].co==0) moge.push_back(x); for(int i=0;i<w[x].Q.size();i+=2) if(w[w[x].Q[i]].odw==0) dfs(w[x].Q[i],nie); } double solve(int n,int m,int k,int h,vector<int> x,vector<int> y,vector<int> c, vector<int> arr) { w=new wi[n+3]; for(int i=0;i<m;i++) { w[x[i]].Q.push_back(y[i]); w[y[i]].Q.push_back(x[i]); w[x[i]].Q.push_back(c[i]); w[y[i]].Q.push_back(c[i]); } for(int i=0;i<n;i++) w[i].co=arr[i]; moge.clear(); dfs(0,h); moge.push_back(0); priority_queue<pair<double,pair<int,int> > > kolejka; k=min(k,200LL); for(int i=0;i<n;i++) for(int j=0;j<=k;j++) w[i].dp[j]=1e18; for(int i=0;i<moge.size();i++) kolejka.push({0.0,{moge[i],0}}),w[moge[i]].dp[0]=0; while(!kolejka.empty()) { auto para=kolejka.top(); kolejka.pop(); int x=para.second.first; int typ=para.second.second; double ile=para.first; if(ile>w[x].dp[typ]) continue; if(x==h) continue; for(int i=0;i<w[x].Q.size();i+=2) { int pom=w[x].Q[i]; double dodaj=w[x].Q[i+1]; if(w[pom].dp[typ]>ile+dodaj) kolejka.push({ile+dodaj,{pom,typ}}),w[pom].dp[typ]=ile+dodaj; if(w[pom].co!=2) continue; dodaj+=ile; dodaj/=2; if(w[pom].dp[typ+1]>dodaj && typ+1<=k) kolejka.push({dodaj,{pom,typ+1}}),w[pom].dp[typ+1]=dodaj; } } double minn=1e18; for(int i=0;i<=k;i++) minn=min(minn,w[h].dp[i]); if(minn==1e18) return -1; else return minn; }

컴파일 시 표준 에러 (stderr) 메시지

cyberland.cpp: In function 'void dfs(long long int, long long int)':
cyberland.cpp:18:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |     for(int i=0;i<w[x].Q.size();i+=2)
      |                 ~^~~~~~~~~~~~~~
cyberland.cpp: In function 'double solve(long long int, long long int, long long int, long long int, std::vector<long long int>, std::vector<long long int>, std::vector<long long int>, std::vector<long long int>)':
cyberland.cpp:42:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |     for(int i=0;i<moge.size();i++)
      |                 ~^~~~~~~~~~~~
cyberland.cpp:55:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |         for(int i=0;i<w[x].Q.size();i+=2)
      |                     ~^~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccdXIn54.o: in function `main':
grader.cpp:(.text.startup+0x696): undefined reference to `solve(int, int, int, int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status