제출 #917570

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
917570		shenfe1	사이버랜드 (APIO23_cyberland)	C++17	컴파일 에러	0 ms	0 KiB

cyberland

#include <bits/stdc++.h>
// #include "cyberland.h"

#pragma GCC optimize("Ofast")
#pragma GCC optimize("03")
#pragma GCC tartget("avx2")

using namespace std;

#define F first
#define S second
#define pb push_back
#define pii pair<int,int>

const int MAX=1e5+15;
const double inf=1e18;

double solve(int n,int m,int k,int h,vector<int> x,vector<int> y,vector<int> c,vector<int> arr){
  vector<pii> g[n+1];
  double dp[n+1];
  for(int i=0;i<m;i++){
    x[i]++;
    y[i]++;
    g[x[i]].pb({y[i],c[i]});
    g[y[i]].pb({x[i],c[i]});
    // cout<<x[i]<<" "<<y[i]<<" "<<c[i]<<"\n";
  }
  k=min(k,30);
  h++;
  for(int i=1;i<=n;i++){
    dp[i]=inf;
  }
  dp[1]=0;
  double ans=inf;
  for(int i=0;i<=k;i++){
    priority_queue<pair<double,int>> q;
    for(int i=1;i<=n;i++){
      if(dp[i]<inf)q.push({dp[i],i});
    }
    while(!q.empty()){
      int v=q.top().S;
      ld w=q.top().F;
      q.pop();
      if(dp[v]<w)continue;
      for(auto to:g[v]){
        if(arr[to.F-1]==0){
          if(dp[to.F]!=0){
            dp[to.F]=0;
            q.push({dp[to.F],to.F});
          }
        }
        if(dp[v]+to.S<dp[to.F]){
          dp[to.F]=dp[v]+to.S;
          q.push({dp[to.F],to.F});
        }
      }
    }
    for(int i=1;i<=n;i++){
      if(arr[i-1]==2)dp[i]/=2;
    }
    ans=min(ans,dp[h]);
  }
  if(ans==inf)return -1.0;
  return ans;
}

int main(){
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  int t;
  cin>>t;
  cout.precision(10);
  while(t--){
    int n,m,k,h;
    cin>>n>>m>>k>>h;
    vector<int> arr(n);
    for(int i=0;i<n;i++)cin>>arr[i];
    vector<int> x(m),y(m),c(m);
    for(int i=0;i<m;i++)cin>>x[i]>>y[i]>>c[i];
    cout<<fixed<<solve(n,m,k,h,x,y,c,arr)<<"\n";
  }
}

컴파일 시 표준 에러 (stderr) 메시지

cyberland.cpp:6: warning: ignoring '#pragma GCC tartget' [-Wunknown-pragmas]
    6 | #pragma GCC tartget("avx2")
      | 
cyberland.cpp: In function 'double solve(int, int, int, int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
cyberland.cpp:42:7: error: 'ld' was not declared in this scope
   42 |       ld w=q.top().F;
      |       ^~
cyberland.cpp:44:16: error: 'w' was not declared in this scope
   44 |       if(dp[v]<w)continue;
      |                ^