Submission #1083555

#	Time	Username	Problem	Language	Result	Execution time	Memory
1083555		knot222	Commuter Pass (JOI18_commuter_pass)	C++14	Compilation error	0 ms	0 KiB

commuter_pass

#include <bits/stdc++.h>
#include <iostream>
using namespace std;
#define ll long long int
const ll inf = 1e10;
int main()
{
    ll N,X;
    cin>>N>>X;
    vector<ll> a(N+10);
    vector<ll> b(N+10);
    for (int i=1;i<=N;i++) {
        cin>>a[i];
        b[N+1-i] = -a[i];
    }
    vector<ll> l1(N+10, inf);
    vector<ll> ll1(N+10,inf);
    l1[0] = -inf;
    for (int i=1;i<=N;i++) {
        int l = upper_bound(l1.begin()+1, l1.end(), a[i]) - (l1.begin());
        if (l1[l-1] < a[i] && a[i] < l1[l]) {
            l1[l] = a[i];
        }
        ll1[i] = l;
    }
    vector<ll> l2(N+10, inf);
    vector<ll> ll2(N+10,inf);
    l2[0] = -inf;
    for (int i=1;i<=N;i++) {
        int l = upper_bound(l2.begin()+1, l2.end(), b[i]) - (l2.begin());
        if (l2[l-1] < b[i] && b[i] < l2[l]) {
            l2[l] = b[i];
        }
        ll2[N+1-i] = l;
        if (N+1-i<N) {
            ll2[N+1-i] = max(ll2[N+1-i+1], l);
        }
    }
    ll ans = 0;
    for (int i=1;i<N;i++) {
        if (a[i]-X+1<=a[i+1]) {
            //cout << ans;
            ans = max(ans, ll1[i]+ll2[i+1]);
        }
    }
    cout << ans;
    return 0;
}
/*
8 10
7 3 5 12 2 7 3 4 
*/

Compilation message (stderr)

commuter_pass.cpp: In function 'int main()':
commuter_pass.cpp:36:45: error: no matching function for call to 'max(__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type&, int&)'
   36 |             ll2[N+1-i] = max(ll2[N+1-i+1], 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 commuter_pass.cpp:1:
/usr/include/c++/10/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++/10/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
commuter_pass.cpp:36:45: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   36 |             ll2[N+1-i] = max(ll2[N+1-i+1], 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 commuter_pass.cpp:1:
/usr/include/c++/10/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++/10/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
commuter_pass.cpp:36:45: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   36 |             ll2[N+1-i] = max(ll2[N+1-i+1], 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 commuter_pass.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _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:
commuter_pass.cpp:36:45: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   36 |             ll2[N+1-i] = max(ll2[N+1-i+1], 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 commuter_pass.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _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:
commuter_pass.cpp:36:45: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   36 |             ll2[N+1-i] = max(ll2[N+1-i+1], l);
      |                                             ^