Submission #1050068

#	Time	Username	Problem	Language	Result	Execution time	Memory
1050068		matere	Election (BOI18_election)	C++14	Compilation error	0 ms	0 KiB

election

#include<bits/stdc++.h>
using namespace std;
int a[500005],pref[500005],suf[500005],lg[500005];
pair<int,int>spp[500005][20],sps[500005][20];
vector<int>v;
int main(){
    int n;
    char c;
    cin>>n;
    for(int i=2;i<=500004;i++) lg[i]=lg[i/2]+1;
    for(int i=1;i<=500004;i++) spp[i][0].first=sps[i][0].first=1e9;
    v.push_back(0);
    for(int i=1;i<=n;i++){
        cin>>c;
        if(c=='T') v.push_back(i);
        a[i]=(c=='C')*2-1;
        pref[i]=pref[i-1]+a[i];
        spp[i][0].first=pref[i];
        spp[i][0].second=i;
    }
    v.push_back(n+1);
    for(int i=n;i>=1;i--){
        suf[i]=suf[i+1]+a[i];
        sps[i][0].first=suf[i];
        sps[i][0].second=i;
    }
    for(int pr=1;pr<=19;pr++){
        for(int i=1;i<=n;i++){
            spp[i][pr].second=spp[i][pr-1].second;
            sps[i][pr].second=sps[i][pr-1].second;
            if(spp[i][pr-1].first>spp[min(n,i+(1<<(pr-1)))][pr-1].first) spp[i][pr].second=spp[min(n,i+(1<<(pr-1)))][pr-1].second;
            if(sps[i][pr-1].first>sps[min(n,i+(1<<(pr-1)))][pr-1].first) sps[i][pr].second=sps[min(n,i+(1<<(pr-1)))][pr-1].second;
            spp[i][pr].first=min(spp[i][pr-1].first,spp[min(n,i+(1<<(pr-1)))][pr-1].first);
            sps[i][pr].first=min(sps[i][pr-1].first,sps[min(n,i+(1<<(pr-1)))][pr-1].first);
        }
    }
    int q;
    cin>>q;
    for(int i=1;i<=q;i++){
        int l,r;
        cin>>l>>r;
        int mn1=min(spp[l][lg[r-l+1]].first,spp[r-(1<<lg[r-l+1])+1][lg[r-l+1]].first);
        int mn1i=spp[l][lg[r-l+1]].second;
        if(spp[l][lg[r-l+1]].first>spp[r-(1<<lg[r-l+1])+1][lg[r-l+1]].first) mn1i=spp[r-(1<<lg[r-l+1])+1][lg[r-l+1]].second;
        int mn2=min(sps[l][lg[r-l+1]].first,sps[r-(1<<lg[r-l+1])+1][lg[r-l+1]].first);
        int mn2i=sps[l][lg[r-l+1]].second;
        if(sps[l][lg[r-l+1]].first>sps[r-(1<<lg[r-l+1])+1][lg[r-l+1]].first) mn2i=sps[r-(1<<lg[r-l+1])+1][lg[r-l+1]].second;
        mn1-=pref[l-1];
        mn2-=suf[r+1];
        cout<<max((long long)-mn1,max((long long)-mn2,-mn1-mn2-((upper_bound(v.begin(),v.end(),mn1i)-v.begin())-(lower_bound(v.begin(),v.end(),mn2i)-v.begin()))))<<endl;
    }
}

Compilation message (stderr)

election.cpp: In function 'int main()':
election.cpp:50:161: error: no matching function for call to 'max(long long int, __gnu_cxx::__normal_iterator<int*, std::vector<int> >::difference_type)'
   50 |         cout<<max((long long)-mn1,max((long long)-mn2,-mn1-mn2-((upper_bound(v.begin(),v.end(),mn1i)-v.begin())-(lower_bound(v.begin(),v.end(),mn2i)-v.begin()))))<<endl;
      |                                                                                                                                                                 ^
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/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from election.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
election.cpp:50:161: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and '__gnu_cxx::__normal_iterator<int*, std::vector<int> >::difference_type' {aka 'long int'})
   50 |         cout<<max((long long)-mn1,max((long long)-mn2,-mn1-mn2-((upper_bound(v.begin(),v.end(),mn1i)-v.begin())-(lower_bound(v.begin(),v.end(),mn2i)-v.begin()))))<<endl;
      |                                                                                                                                                                 ^
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/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from election.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
election.cpp:50:161: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and '__gnu_cxx::__normal_iterator<int*, std::vector<int> >::difference_type' {aka 'long int'})
   50 |         cout<<max((long long)-mn1,max((long long)-mn2,-mn1-mn2-((upper_bound(v.begin(),v.end(),mn1i)-v.begin())-(lower_bound(v.begin(),v.end(),mn2i)-v.begin()))))<<endl;
      |                                                                                                                                                                 ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from election.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3480 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3480:5: note:   template argument deduction/substitution failed:
election.cpp:50:161: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   50 |         cout<<max((long long)-mn1,max((long long)-mn2,-mn1-mn2-((upper_bound(v.begin(),v.end(),mn1i)-v.begin())-(lower_bound(v.begin(),v.end(),mn2i)-v.begin()))))<<endl;
      |                                                                                                                                                                 ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from election.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3486:5: note:   template argument deduction/substitution failed:
election.cpp:50:161: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   50 |         cout<<max((long long)-mn1,max((long long)-mn2,-mn1-mn2-((upper_bound(v.begin(),v.end(),mn1i)-v.begin())-(lower_bound(v.begin(),v.end(),mn2i)-v.begin()))))<<endl;
      |                                                                                                                                                                 ^