Submission #1256892

#	Time	Username	Problem	Language	Result	Execution time	Memory
1256892		iamhereforfun	Global Warming (CEOI18_glo)	C++20	Compilation error	0 ms	0 KiB

glo

// Starcraft 2 enjoyer + luv kd //

#include <bits/stdc++.h>

using namespace std;

#define LSOne(X) ((X) & -(X))

const int N = 2e5 + 5;
const int M = 4e5 + 5;
const int S = 640;
const int O = 2e5 + 5;
const int K = 15;
const int LG = 21;
const int P = 37;
const int INF = 1e9 + 5;
const int MOD = 998244353;
const int nx[] = {0, 1, 0, -1}, ny[] = {1, 0, -1, 0};

int n, v, a[N], pref[N];
vector<int> len;
int ans = 0;

void solve()
{
    cin >> n >> v;
    for (int x = 0; x < n; x++)
    {
        cin >> a[x];
    }
    for (int x = 0; x < n; x++)
    {
        auto it = lower_bound(len.begin(), len.end(), a[x]);
        pref[x] = it - len.begin() + 1;
        if (it == len.end())
        {
            len.push_back(a[x]);
        }
        else
        {
            len[it - len.begin()] = a[x];
        }
    }
    ans = len.size();
    len.clear();
    for (int x = n - 1; x >= 0; x--)
    {
        auto it = lower_bound(len.begin(), len.end(), -(a[x] - v));
        ans = max(ans, it - len.begin() + pref[x]);
        {
            auto it = lower_bound(len.begin(), len.end(), -a[x]);
            if (it == len.end())
            {
                len.push_back(-a[x]);
            }
            else
            {
                len[it - len.begin()] = -a[x];
            }
        }
    }
    cout << ans << "\n";
}

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int t = 1;
    // cin >> t;
    for (int x = 1; x <= t; x++)
    {
        solve();
    }
    return 0;
}

Compilation message (stderr)

glo.cpp: In function 'void solve()':
glo.cpp:49:18: error: no matching function for call to 'max(int&, __gnu_cxx::__normal_iterator<int*, std::vector<int> >::difference_type)'
   49 |         ans = max(ans, it - len.begin() + pref[x]);
      |               ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/specfun.h:45,
                 from /usr/include/c++/11/cmath:1935,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
                 from glo.cpp:3:
/usr/include/c++/11/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++/11/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
glo.cpp:49:18: note:   deduced conflicting types for parameter 'const _Tp' ('int' and '__gnu_cxx::__normal_iterator<int*, std::vector<int> >::difference_type' {aka 'long int'})
   49 |         ans = max(ans, it - len.begin() + pref[x]);
      |               ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/specfun.h:45,
                 from /usr/include/c++/11/cmath:1935,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
                 from glo.cpp:3:
/usr/include/c++/11/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++/11/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
glo.cpp:49:18: note:   deduced conflicting types for parameter 'const _Tp' ('int' and '__gnu_cxx::__normal_iterator<int*, std::vector<int> >::difference_type' {aka 'long int'})
   49 |         ans = max(ans, it - len.begin() + pref[x]);
      |               ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/string:52,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from glo.cpp:3:
/usr/include/c++/11/bits/stl_algo.h:3461:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3461 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/11/bits/stl_algo.h:3461:5: note:   template argument deduction/substitution failed:
glo.cpp:49:18: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   49 |         ans = max(ans, it - len.begin() + pref[x]);
      |               ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/string:52,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from glo.cpp:3:
/usr/include/c++/11/bits/stl_algo.h:3467:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3467 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/11/bits/stl_algo.h:3467:5: note:   template argument deduction/substitution failed:
glo.cpp:49:18: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   49 |         ans = max(ans, it - len.begin() + pref[x]);
      |               ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~