Submission #917520

#	Time	Username	Problem	Language	Result	Execution time	Memory
917520		shenfe1	Cyberland (APIO23_cyberland)	C++17	Compilation error	0 ms	0 KiB

cyberland

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

using namespace std;

#define ll long long
#define ld long double
#define pb push_back
#define pf push_front
#define pii pair<int,int>
#define all(v) v.begin(),v.end()
#define F first
#define S second
#define mem(a,i) memset(a,i,sizeof(a))
#define sz(s) (int)s.size()
#define y1 yy
#define ppb pop_back
#define lb lower_bound
#define ub upper_bound
#define gcd(a,b) __gcd(a,b)
#define in insert
// #define int ll

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

vector<pii> g[MAX];
ld dp[MAX][32];

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

// int main(){
//   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<<solve(n,m,k,h,arr,x,y,c);
// }

Compilation message (stderr)

cyberland.cpp: In function 'double solve(int, int, int, int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
cyberland.cpp:77:44: error: no matching function for call to 'min(double&, long double&)'
   77 |   for(int i=0;i<=k;i++)ans=min(ans,dp[h][i]);
      |                                            ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from cyberland.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:230:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  230 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:230:5: note:   template argument deduction/substitution failed:
cyberland.cpp:77:44: note:   deduced conflicting types for parameter 'const _Tp' ('double' and 'long double')
   77 |   for(int i=0;i<=k;i++)ans=min(ans,dp[h][i]);
      |                                            ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from cyberland.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:278:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  278 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:278:5: note:   template argument deduction/substitution failed:
cyberland.cpp:77:44: note:   deduced conflicting types for parameter 'const _Tp' ('double' and 'long double')
   77 |   for(int i=0;i<=k;i++)ans=min(ans,dp[h][i]);
      |                                            ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from cyberland.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3468:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(std::initializer_list<_Tp>)'
 3468 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3468:5: note:   template argument deduction/substitution failed:
cyberland.cpp:77:44: note:   mismatched types 'std::initializer_list<_Tp>' and 'double'
   77 |   for(int i=0;i<=k;i++)ans=min(ans,dp[h][i]);
      |                                            ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from cyberland.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3474:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(std::initializer_list<_Tp>, _Compare)'
 3474 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3474:5: note:   template argument deduction/substitution failed:
cyberland.cpp:77:44: note:   mismatched types 'std::initializer_list<_Tp>' and 'double'
   77 |   for(int i=0;i<=k;i++)ans=min(ans,dp[h][i]);
      |                                            ^