제출 #435547

#제출 시각아이디문제언어결과실행 시간메모리
435547CollypsoCounting Mushrooms (IOI20_mushrooms)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define pii pair<int, int>
#define pll pair<ll, ll>
#define vt vector
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define sz(x) (int) (x).size()
#pragma GCC optimize ("O3")
#pragma GCC optimize ("O2")
#define F first
#define S second
//#define endl '\n'
//#define int long long

using namespace std;

int use_machine(vt<int> x);

int subtask1(int n)
{
	int ans = 1;
    for(int i = 1; i < n - 1; i += 2)
    {
        int tmp = use_machine({i + 1, 0, i});
        if (tmp == 0) ans += 2;
        else if (tmp == 1) ans += 1;
    }
    if (n % 2 == 0) ans += !use_machine({0, n - 1});
    return ans;
}

//if (n <= 452) return subtask1(n);

int count_mushrooms(int n)
{
    vt<int> v[2];
    v[0].pb(0);
    int q = 1, ans = 1, attempts = min(400, sqrt(n));

    while(q < n && attempts--)
    {
        if (use_machine({0, q}) == 0) v[0].pb(q), ans++;
        else v[1].pb(q);
        q++;
    }

    int r = (sz(v[1]) > sz(v[0])) ? 1 : 0;
    int X = sz(v[r]);

    if (q >= n) return ans;

    for(int i = 0, to = (n - q + X - 2) / (X - 1); i < to; i++)
    {
        vt<int> tmp(1, v[r][0]);
        for(int j = 1; q < n && j < X; q++, j++)
            tmp.pb(q), tmp.pb(v[r][j]);
        if (r == 1) ans += use_machine(tmp) / 2;
        else ans += sz(tmp) / 2 - use_machine(tmp) / 2;
        //cout << ans << endl;
        //for(int x : tmp) cout << x << " ";
        //cout << endl;
        //cout << use_machine(tmp) << endl;
    }
    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:40:52: error: no matching function for call to 'min(int, __gnu_cxx::__enable_if<true, double>::__type)'
   40 |     int q = 1, ans = 1, attempts = min(400, sqrt(n));
      |                                                    ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from mushrooms.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:
mushrooms.cpp:40:52: note:   deduced conflicting types for parameter 'const _Tp' ('int' and '__gnu_cxx::__enable_if<true, double>::__type' {aka 'double'})
   40 |     int q = 1, ans = 1, attempts = min(400, sqrt(n));
      |                                                    ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from mushrooms.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:
mushrooms.cpp:40:52: note:   deduced conflicting types for parameter 'const _Tp' ('int' and '__gnu_cxx::__enable_if<true, double>::__type' {aka 'double'})
   40 |     int q = 1, ans = 1, attempts = min(400, sqrt(n));
      |                                                    ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from mushrooms.cpp:1:
/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:
mushrooms.cpp:40:52: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   40 |     int q = 1, ans = 1, attempts = min(400, sqrt(n));
      |                                                    ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from mushrooms.cpp:1:
/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:
mushrooms.cpp:40:52: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   40 |     int q = 1, ans = 1, attempts = min(400, sqrt(n));
      |                                                    ^