Submission #938948

#	Time	Username	Problem	Language	Result	Execution time	Memory
938948		Pacybwoah	Let's Win the Election (JOI22_ho_t3)	C++17	Compilation error	0 ms	0 KiB

Main

#include<iostream>
#include<vector>
#include<iomanip>
#include<utility>
#include<algorithm>
using namespace std;
typedef float ld;
vector<pair<ld,ld>> vec;
int n,k;
ld solve(int m){
    vector<vector<ld>> dp(n+1,vector<ld>(k-m+1,1e9+7));
    dp[1][0]=(m>0?vec[1].first:0);
    if(k-m>0) dp[1][1]=vec[1].second/ld(m+1);
    for(int i=2;i<=n;i++){
        for(int j=0;j<=min(k-m,i);j++){
            if(i!=j) dp[i][j]=min(dp[i][j],dp[i-1][j]+(i-j>m?0:vec[i].first/(long double)(i-j)));
            if(j>0) dp[i][j]=min(dp[i][j],dp[i-1][j-1]+vec[i].second/(long double)(m+1));
        }
    }
    /*for(int i=1;i<=n;i++){
        for(int j=0;j<=k-m;j++) if(m==2) cout<<dp[i][j]<<" ";
        cout<<"\n";
    }*/
    return dp[n][k-m];
}
int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    cin>>n>>k;
    vec.resize(n+1);
    for(int i=1;i<=n;i++) cin>>vec[i].second>>vec[i].first;
    for(int i=1;i<=n;i++) if(vec[i].first==-1) vec[i].first=1e9;
    sort(next(vec.begin()),vec.end());
    //for(int i=1;i<=n;i++) cout<<vec[i].first<<' '<<vec[i].second<<"\n";
    int l=0,r=k;
    ld ans=1e9+7;
    while(l<r){
        int mid=(l+r)>>1;
        ld a=solve(max(mid,0)),b=solve(min(mid+1,r));
        ans=min(ans,min(a,b));
        if(a>b) l=min(mid+1,r);
        else r=(max(mid,0));
    }
    //for(int i=0;i<=k;i++) ans=min(ans,solve(i));
    cout<<fixed<<setprecision(12)<<ans;
}

Compilation message (stderr)

Main.cpp: In function 'ld solve(int)':
Main.cpp:16:96: error: no matching function for call to 'min(__gnu_cxx::__alloc_traits<std::allocator<float>, float>::value_type&, long double)'
   16 |             if(i!=j) dp[i][j]=min(dp[i][j],dp[i-1][j]+(i-j>m?0:vec[i].first/(long double)(i-j)));
      |                                                                                                ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/ostream:38,
                 from /usr/include/c++/10/iostream:39,
                 from Main.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:
Main.cpp:16:96: note:   deduced conflicting types for parameter 'const _Tp' ('float' and 'long double')
   16 |             if(i!=j) dp[i][j]=min(dp[i][j],dp[i-1][j]+(i-j>m?0:vec[i].first/(long double)(i-j)));
      |                                                                                                ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/ostream:38,
                 from /usr/include/c++/10/iostream:39,
                 from Main.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:
Main.cpp:16:96: note:   deduced conflicting types for parameter 'const _Tp' ('float' and 'long double')
   16 |             if(i!=j) dp[i][j]=min(dp[i][j],dp[i-1][j]+(i-j>m?0:vec[i].first/(long double)(i-j)));
      |                                                                                                ^
In file included from /usr/include/c++/10/algorithm:62,
                 from Main.cpp:5:
/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:
Main.cpp:16:96: note:   mismatched types 'std::initializer_list<_Tp>' and 'float'
   16 |             if(i!=j) dp[i][j]=min(dp[i][j],dp[i-1][j]+(i-j>m?0:vec[i].first/(long double)(i-j)));
      |                                                                                                ^
In file included from /usr/include/c++/10/algorithm:62,
                 from Main.cpp:5:
/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:
Main.cpp:16:96: note:   mismatched types 'std::initializer_list<_Tp>' and 'float'
   16 |             if(i!=j) dp[i][j]=min(dp[i][j],dp[i-1][j]+(i-j>m?0:vec[i].first/(long double)(i-j)));
      |                                                                                                ^
Main.cpp:17:88: error: no matching function for call to 'min(__gnu_cxx::__alloc_traits<std::allocator<float>, float>::value_type&, long double)'
   17 |             if(j>0) dp[i][j]=min(dp[i][j],dp[i-1][j-1]+vec[i].second/(long double)(m+1));
      |                                                                                        ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/ostream:38,
                 from /usr/include/c++/10/iostream:39,
                 from Main.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:
Main.cpp:17:88: note:   deduced conflicting types for parameter 'const _Tp' ('float' and 'long double')
   17 |             if(j>0) dp[i][j]=min(dp[i][j],dp[i-1][j-1]+vec[i].second/(long double)(m+1));
      |                                                                                        ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/ostream:38,
                 from /usr/include/c++/10/iostream:39,
                 from Main.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:
Main.cpp:17:88: note:   deduced conflicting types for parameter 'const _Tp' ('float' and 'long double')
   17 |             if(j>0) dp[i][j]=min(dp[i][j],dp[i-1][j-1]+vec[i].second/(long double)(m+1));
      |                                                                                        ^
In file included from /usr/include/c++/10/algorithm:62,
                 from Main.cpp:5:
/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:
Main.cpp:17:88: note:   mismatched types 'std::initializer_list<_Tp>' and 'float'
   17 |             if(j>0) dp[i][j]=min(dp[i][j],dp[i-1][j-1]+vec[i].second/(long double)(m+1));
      |                                                                                        ^
In file included from /usr/include/c++/10/algorithm:62,
                 from Main.cpp:5:
/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:
Main.cpp:17:88: note:   mismatched types 'std::initializer_list<_Tp>' and 'float'
   17 |             if(j>0) dp[i][j]=min(dp[i][j],dp[i-1][j-1]+vec[i].second/(long double)(m+1));
      |                                                                                        ^