제출 #917563

#제출 시각아이디문제언어결과실행 시간메모리
917563shenfe1사이버랜드 (APIO23_cyberland)C++17
15 / 100
900 ms8264 KiB
#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,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")
      |
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