Submission #908128

#	Time	Username	Problem	Language	Result	Execution time	Memory
908128		Alfraganus	Lamps (JOI19_lamps)	C++17	Compilation error	0 ms	0 KiB

lamp

#pragma GCC optimize("unroll-loops")
#pragma gcc optimize("Ofast")
#pragma GCC optimization("Ofast")
#pragma optimize(Ofast)
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define str string
#define fastio ios::sync_with_stdio(0), cin.tie(0);
#define fs first
#define ss second
#define endl '\n'
#define all(x) (x).begin(), (x).end()
#define len(x) x.size()

#define print(a)          \
    for (auto &x : a)     \
        cout << x << " "; \
    cout << endl;

#define printmp(a)    \
    for (auto &x : a) \
        cout << x.fs << " " << x.ss << endl;

const int mod = 998244353;

void solve(){
    int n;
    cin >> n;
    str a, b;
    cin >> a >> b;
    cout << count(all(b), "10");
}

signed main()
{
    fastio int t = 1;
    // cin >> t;
    while (t--)
    {
        solve();
        cout << endl;
    }
}

Compilation message (stderr)

lamp.cpp:2: warning: ignoring '#pragma gcc optimize' [-Wunknown-pragmas]
    2 | #pragma gcc optimize("Ofast")
      | 
lamp.cpp:3: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    3 | #pragma GCC optimization("Ofast")
      | 
lamp.cpp:4: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    4 | #pragma optimize(Ofast)
      | 
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
                 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 lamp.cpp:5:
/usr/include/c++/10/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Iter_equals_val<_Value>::operator()(_Iterator) [with _Iterator = __gnu_cxx::__normal_iterator<char*, std::__cxx11::basic_string<char> >; _Value = const char [3]]':
/usr/include/c++/10/bits/stl_algobase.h:1988:12:   required from 'typename std::iterator_traits< <template-parameter-1-1> >::difference_type std::__count_if(_InputIterator, _InputIterator, _Predicate) [with _InputIterator = __gnu_cxx::__normal_iterator<char*, std::__cxx11::basic_string<char> >; _Predicate = __gnu_cxx::__ops::_Iter_equals_val<const char [3]>; typename std::iterator_traits< <template-parameter-1-1> >::difference_type = long int]'
/usr/include/c++/10/bits/stl_algo.h:4085:29:   required from 'typename std::iterator_traits< <template-parameter-1-1> >::difference_type std::count(_IIter, _IIter, const _Tp&) [with _IIter = __gnu_cxx::__normal_iterator<char*, std::__cxx11::basic_string<char> >; _Tp = char [3]; typename std::iterator_traits< <template-parameter-1-1> >::difference_type = long int]'
lamp.cpp:33:31:   required from here
/usr/include/c++/10/bits/predefined_ops.h:268:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
  268 |  { return *__it == _M_value; }
      |           ~~~~~~^~~~~~~~~~~