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Submission #467836

# Submission time Handle Problem Language Result Execution time Memory
467836 2021-08-24T22:36:35 Z nickmet2004 Election (BOI18_election) C++11
Compilation error
 0 ms 0 KB 
#include<bits/stdc++.h>

using namespace std;
const int N = 5e5 + 5;
int n , a[N];
string s;
struct Node{
    int L , R , cnt , ans;
    Node operator+(Node y){
        Node ret;
        ret.cnt = cnt + y.cnt;
        ret.L = max(L + cnt + y.L);
        ret.R = max(y.R , y.cnt + R);
        ret.ans = max({ans + y.cnt , y.ans + cnt , L + y.R});
        return ret;
    }
}T[4*N];
void B(int l = 0 , int r = n - 1 , int pos = 0){
    if(l == r){
        if(a[l] == 1) T[pos] = {1 , 1, 1, 1};
        else T[pos] = {0 , 0 , -1 , 0};
        return;
    }
    int mid = (l + r) >> 1;
    B(l , mid , pos * 2 + 1);
    B(mid + 1 ,r , pos * 2 + 2);
    T[pos] = T[pos *2 + 1] + T[pos *2 + 2];
}
Node get(int L , int R , int l =0 , int r = n - 1 , int pos = 0){
    if(r <L || R < l) return {0 , 0 , 0 , 0};
    if(L <= l && r <= R) return T[pos];
    int mid = (l + r) >> 1;
    return get(L , R , l , mid , pos * 2 + 1) + get(L , R , mid + 1 , r , pos * 2 + 2);
}
int main (){
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> n >> s;
    memset(a , -1 , sizeof(a));
    for(int i = 0;i < n; ++i){
        if(s[i] == 'T')a[i] = 1;
    }
    B();
    int q;
    cin >> q;
    while(q--){
        int a , b;
        cin >> a >> b;
        --a; --b;
        cout << get(a , b).ans << endl;
    }
}

Compilation message

election.cpp: In member function 'Node Node::operator+(Node)':
election.cpp:12:34: error: no matching function for call to 'max(int)'
   12 |         ret.L = max(L + cnt + y.L);
      |                                  ^
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> 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:12:34: note:   candidate expects 2 arguments, 1 provided
   12 |         ret.L = max(L + cnt + y.L);
      |                                  ^
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> 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:12:34: note:   candidate expects 3 arguments, 1 provided
   12 |         ret.L = max(L + cnt + y.L);
      |                                  ^
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> _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:12:34: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   12 |         ret.L = max(L + cnt + y.L);
      |                                  ^
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> _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:12:34: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   12 |         ret.L = max(L + cnt + y.L);
      |                                  ^