제출 #1309904

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1309904		buzdi	Sails (IOI07_sails)	C++17	컴파일 에러	0 ms	0 KiB

sails

#include <bits/stdc++.h>
#define ll long long
#define int long long

using namespace std;

const int NMAX = 1e5 + 10;

ll answer;
int n;
int h[NMAX + 1], k[NMAX + 1];
set<pair<int, int>> s;
int mars[NMAX + 5];

signed main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    cin >> n;
    for(int i = 1; i <= n; i++) {
        cin >> h[i] >> k[i];
    }

    for(int i = 1; i <= n; i++) {
        s.insert(make_pair(h[i], i));
    }

    while(!s.empty()) {
        auto it = prev(s.end());
        auto [curent_h, pos] = *it;

        int next_h = max(curent_h - k[pos] + 1, 1LL);
        mars[next_h]++;
        mars[curent_h + 1]--;

        k[pos] -= curent_h - next_h + 1;
        curent_h = next_h - 1;

        if(!k[pos]) {
            s.erase(it);
        }

        while(!s.empty() && curent_h > 0) {
            auto it = s.lower_bound(make_pair(curent_h, 0LL));
            if(it == s.end()) {
                break;
            }
            int pos = it->second;

            int next_h = max(curent_h - k[pos] + 1, 1);
            mars[next_h]++;
            mars[curent_h + 1]--;

            k[pos] -= curent_h - next_h + 1;
            curent_h = next_h - 1;

            if(!k[pos]) {
                s.erase(it);
            }
        }
    }

    for(int i = 1; i <= NMAX; i++) {
        mars[i] += mars[i - 1];
    }
    for(int i = 1; i <= NMAX; i++) {
        answer += (ll) mars[i] * (mars[i] - 1) / 2;
    }
    cout << answer << '\n';
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

sails.cpp: In function 'int main()':
sails.cpp:51:29: error: no matching function for call to 'max(std::tuple_element<0, std::pair<long long int, long long int> >::type, int)'
   51 |             int next_h = max(curent_h - k[pos] + 1, 1);
      |                          ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/13/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:51,
                 from sails.cpp:1:
/usr/include/c++/13/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/13/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
sails.cpp:51:29: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   51 |             int next_h = max(curent_h - k[pos] + 1, 1);
      |                          ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/13/bits/stl_algobase.h:303:5: note:   template argument deduction/substitution failed:
sails.cpp:51:29: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   51 |             int next_h = max(curent_h - k[pos] + 1, 1);
      |                          ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/13/algorithm:61:
/usr/include/c++/13/bits/stl_algo.h:5795:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5795 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/13/bits/stl_algo.h:5795:5: note:   template argument deduction/substitution failed:
sails.cpp:51:29: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   51 |             int next_h = max(curent_h - k[pos] + 1, 1);
      |                          ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/stl_algo.h:5805:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5805 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/13/bits/stl_algo.h:5805:5: note:   template argument deduction/substitution failed:
sails.cpp:51:29: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   51 |             int next_h = max(curent_h - k[pos] + 1, 1);
      |                          ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~