Submission #446076

#	Time	Username	Problem	Language	Result	Execution time	Memory
446076		ak2006	Schools (IZhO13_school)	C++14	Compilation error	0 ms	0 KiB

school

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vb = vector<bool>;
using vvb = vector<vb>;
using vi = vector<int>;
using vvi = vector<vi>;
using vl = vector<ll>;
using vvl = vector<vl>;
using vc = vector<char>;
using vvc = vector<vc>;
using vs = vector<string>;
const ll mod = 1e9 + 7,inf = 1e18;
#define pb push_back
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
void setIO()
{
    fast;
}
bool cmp(vi&f,vi&s)
{
    return f[0] - s[0] > f[1] - s[1];
}
int main()
{
    setIO();
    int n,m,s;
    cin>>n>>m>>s;
    vvl a(n + 1,vl(2));
    for (int i = 1;i<=n;i++)cin>>a[i][0]>>a[i][1];
    sort(a.begin() + 1,a.end(),cmp);
    
    vl pref(n + 1),suf(n + 1);

    priority_queue<ll>q;
    ll sum = 0;
    for (int i = 1;i<=n;i++){
        q.push(-a[i][0]);
        sum += a[i][0];
        if (q.size() > m){
            ll val = -q.top();
            q.pop();
            sum -= val;
        }
        pref[i] = sum;
    }
    
    while (!q.empty())q.pop();

    sum = 0;

    for (int i = n;i>=1;i--){
        q.push(-a[i][1]);
        sum += a[i][1];
        if (q.size() > s){
            ll val = -q.top();
            q.pop();
            sum -= val;
        }
        suf[i] = sum;
    }

    ll ans = 0;

    for (int i = m;i<=n;i++)
        if (n - i >= s)ans = max(ans,pref[i] + suf[i + 1]);
    cout<<ans;
    return 0;
}

Compilation message (stderr)

school.cpp: In function 'int main()':
school.cpp:40:22: warning: comparison of integer expressions of different signedness: 'std::priority_queue<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   40 |         if (q.size() > m){
      |             ~~~~~~~~~^~~
school.cpp:55:22: warning: comparison of integer expressions of different signedness: 'std::priority_queue<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   55 |         if (q.size() > s){
      |             ~~~~~~~~~^~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
                 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 school.cpp:1:
/usr/include/c++/10/bits/predefined_ops.h: In instantiation of 'constexpr bool __gnu_cxx::__ops::_Iter_comp_iter<_Compare>::operator()(_Iterator1, _Iterator2) [with _Iterator1 = __gnu_cxx::__normal_iterator<std::vector<long long int>*, std::vector<std::vector<long long int> > >; _Iterator2 = __gnu_cxx::__normal_iterator<std::vector<long long int>*, std::vector<std::vector<long long int> > >; _Compare = bool (*)(std::vector<int>&, std::vector<int>&)]':
/usr/include/c++/10/bits/stl_algo.h:82:17:   required from 'void std::__move_median_to_first(_Iterator, _Iterator, _Iterator, _Iterator, _Compare) [with _Iterator = __gnu_cxx::__normal_iterator<std::vector<long long int>*, std::vector<std::vector<long long int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::vector<int>&, std::vector<int>&)>]'
/usr/include/c++/10/bits/stl_algo.h:1924:34:   required from '_RandomAccessIterator std::__unguarded_partition_pivot(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::vector<long long int>*, std::vector<std::vector<long long int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::vector<int>&, std::vector<int>&)>]'
/usr/include/c++/10/bits/stl_algo.h:1958:38:   required from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::vector<long long int>*, std::vector<std::vector<long long int> > >; _Size = long int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::vector<int>&, std::vector<int>&)>]'
/usr/include/c++/10/bits/stl_algo.h:1974:25:   required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::vector<long long int>*, std::vector<std::vector<long long int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::vector<int>&, std::vector<int>&)>]'
/usr/include/c++/10/bits/stl_algo.h:4892:18:   required from 'void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<std::vector<long long int>*, std::vector<std::vector<long long int> > >; _Compare = bool (*)(std::vector<int>&, std::vector<int>&)]'
school.cpp:31:35:   required from here
/usr/include/c++/10/bits/predefined_ops.h:156:30: error: invalid initialization of reference of type 'std::vector<int>&' from expression of type 'std::vector<long long int>'
  156 |         { return bool(_M_comp(*__it1, *__it2)); }
      |                       ~~~~~~~^~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Val_comp_iter<_Compare>::operator()(_Value&, _Iterator) [with _Value = std::vector<long long int>; _Iterator = __gnu_cxx::__normal_iterator<std::vector<long long int>*, std::vector<std::vector<long long int> > >; _Compare = bool (*)(std::vector<int>&, std::vector<int>&)]':
/usr/include/c++/10/bits/stl_algo.h:1826:20:   required from 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::vector<long long int>*, std::vector<std::vector<long long int> > >; _Compare = __gnu_cxx::__ops::_Val_comp_iter<bool (*)(std::vector<int>&, std::vector<int>&)>]'
/usr/include/c++/10/bits/stl_algo.h:1854:36:   required from 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::vector<long long int>*, std::vector<std::vector<long long int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::vector<int>&, std::vector<int>&)>]'
/usr/include/c++/10/bits/stl_algo.h:1886:25:   required from 'void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::vector<long long int>*, std::vector<std::vector<long long int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::vector<int>&, std::vector<int>&)>]'
/usr/include/c++/10/bits/stl_algo.h:1977:31:   required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::vector<long long int>*, std::vector<std::vector<long long int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::vector<int>&, std::vector<int>&)>]'
/usr/include/c++/10/bits/stl_algo.h:4892:18:   required from 'void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<std::vector<long long int>*, std::vector<std::vector<long long int> > >; _Compare = bool (*)(std::vector<int>&, std::vector<int>&)]'
school.cpp:31:35:   required from here
/usr/include/c++/10/bits/predefined_ops.h:238:23: error: invalid initialization of reference of type 'std::vector<int>&' from expression of type 'std::vector<long long int>'
  238 |  { return bool(_M_comp(__val, *__it)); }
      |                ~~~~~~~^~~~~~~~~~~~~~
/usr/include/c++/10/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Iter_comp_val<_Compare>::operator()(_Iterator, _Value&) [with _Iterator = __gnu_cxx::__normal_iterator<std::vector<long long int>*, std::vector<std::vector<long long int> > >; _Value = std::vector<long long int>; _Compare = bool (*)(std::vector<int>&, std::vector<int>&)]':
/usr/include/c++/10/bits/stl_heap.h:139:48:   required from 'void std::__push_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare&) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::vector<long long int>*, std::vector<std::vector<long long int> > >; _Distance = long int; _Tp = std::vector<long long int>; _Compare = __gnu_cxx::__ops::_Iter_comp_val<bool (*)(std::vector<int>&, std::vector<int>&)>]'
/usr/include/c++/10/bits/stl_heap.h:246:23:   required from 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::vector<long long int>*, std::vector<std::vector<long long int> > >; _Distance = long int; _Tp = std::vector<long long int>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::vector<int>&, std::vector<int>&)>]'
/usr/include/c++/10/bits/stl_heap.h:355:22:   required from 'void std::__make_heap(_RandomAccessIterator, _RandomAccessIterator, _Compare&) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::vector<long long int>*, std::vector<std::vector<long long int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::vector<int>&, std::vector<int>&)>]'
/usr/include/c++/10/bits/stl_algo.h:1666:23:   required from 'void std::__heap_select(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::vector<long long int>*, std::vector<std::vector<long long int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::vector<int>&, std::vector<int>&)>]'
/usr/include/c++/10/bits/stl_algo.h:1937:25:   required from 'void std::__partial_sort(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::vector<long long int>*, std::vector<std::vector<long long int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::vector<int>&, std::vector<int>&)>]'
/usr/include/c++/10/bits/stl_algo.h:1953:27:   required from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::vector<long long int>*, std::vector<std::vector<long long int> > >; _Size = long int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::vector<int>&, std::vector<int>&)>]'
/usr/include/c++/10/bits/stl_algo.h:1974:25:   required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::vector<long long int>*, std::vector<std::vector<long long int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::vector<int>&, std::vector<int>&)>]'
/usr/include/c++/10/bits/stl_algo.h:4892:18:   required from 'void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<std::vector<long long int>*, std::vector<std::vector<long long int> > >; _Compare = bool (*)(std::vector<int>&, std::vector<int>&)]'
school.cpp:31:35:   required from here
/usr/include/c++/10/bits/predefined_ops.h:194:23: error: invalid initialization of reference of type 'std::vector<int>&' from expression of type 'std::vector<long long int>'
  194 |  { return bool(_M_comp(*__it, __val)); }
      |                ~~~~~~~^~~~~~~~~~~~~~