Submission #1174632

#	Time	Username	Problem	Language	Result	Execution time	Memory
1174632		browntoad	Hidden Sequence (info1cup18_hidden)	C++20	Compilation error	0 ms	0 KiB

hidden

#include <bits/stdc++.h>
#include "grader.h"
using namespace std;
#define ll long long
// #define int ll
#define FOR(i, a, b) for (int i = (a); i < (b); i++)
#define REP(i, n) FOR(i, 0, n)
#define REP1(i, n) FOR(i, 1, n+1)
#define RREP(i, n) for (int i = (n)-1; i >= 0; i--)
#define pii pair<int, int>
#define pip pair<int, pii>
#define f first
#define s second
#define pb push_back
#define ALL(x) (x).begin(), (x).end()
#define SZ(x) (int)((x).size())

#ifdef TOAD
#define IOS() ios::sync_with_stdio(false), cin.tie(0), cout.tie(0)
#else
#define IOS() ios::sync_with_stdio(false), cin.tie(0), cout.tie(0)
#endif // TOAD

const ll maxn = 1e3+5;
const int iinf = 1e9+5;

int n;

bool is_sub(string a, string b){
    int ptr = 0;
    REP(i, SZ(b)){
        bool fnd = 0;
        while(ptr < SZ(a)){
            if (a[ptr] == b[i]){
                fnd = 1;
                ptr++;
                break;
            }
            ptr++;
        }
        if (!fnd) return 0;
    }
    return 1;
}

string conv(int a, int nm){
    string ret;
    REP(i, nm){
        if (a & (1<<i)) ret += '1';
        else ret += '0';
    }
    return ret;
}

vector<int> findSequence(int n){
    vector<string> puss;
    REP(i, (1<<n)){
        puss.pb(conv(i, n));
    }

    while(SZ(puss) > 1){
        int mn = iinf;
        string ret;

        REP1(nm, n/2+2){
            REP(j, (1<<nm)){
                int suc = 0, fal = 0;
                REP(k, SZ(puss)){
                    if (is_sub(puss[k], conv(j, nm))) suc++;
                    else fal++;
                }
                if (abs(suc-fal) < mn){
                    mn = abs(suc-fal);
                    ret = conv(j, nm);
                }
            }
        }

        vector<int> pp;
        REP(i, SZ(ret)) pp.pb(ret[i] == '1');
        bool qret = isSubsequence(pp);

        vector<int> tmp;
        REP(k, SZ(puss)){
            if (is_sub(puss[k], conv(j, nm)) == qret){
                tmp.pb(puss[k]);
            }
        }
        puss = tmp;
    }

    vector<int> ret;
    REP(i, SZ(puss[0])) ret.pb(puss[0][i] == '1');
    return ret;
    //cout<<mn<<endl;
    //for (auto pp:ret) cout<<pp<<endl;
}
/*
signed main(){
    IOS();
    int n; cin>>n;
}
*/
/*
2 3
2 4 3
5 7 5
*/

Compilation message (stderr)

hidden.cpp: In function 'std::vector<int> findSequence(int)':
hidden.cpp:85:38: error: 'j' was not declared in this scope
   85 |             if (is_sub(puss[k], conv(j, nm)) == qret){
      |                                      ^
hidden.cpp:85:41: error: 'nm' was not declared in this scope; did you mean 'mn'?
   85 |             if (is_sub(puss[k], conv(j, nm)) == qret){
      |                                         ^~
      |                                         mn
hidden.cpp:86:23: error: no matching function for call to 'std::vector<int>::push_back(__gnu_cxx::__alloc_traits<std::allocator<std::__cxx11::basic_string<char> >, std::__cxx11::basic_string<char> >::value_type&)'
   86 |                 tmp.pb(puss[k]);
      |                 ~~~~~~^~~~~~~~~
In file included from /usr/include/c++/11/vector:67,
                 from /usr/include/c++/11/functional:62,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from hidden.cpp:1:
/usr/include/c++/11/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]'
 1187 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/11/bits/stl_vector.h:1187:35: note:   no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<std::__cxx11::basic_string<char> >, std::__cxx11::basic_string<char> >::value_type' {aka 'std::__cxx11::basic_string<char>'} to 'const value_type&' {aka 'const int&'}
 1187 |       push_back(const value_type& __x)
      |                 ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]'
 1203 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/11/bits/stl_vector.h:1203:30: note:   no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<std::__cxx11::basic_string<char> >, std::__cxx11::basic_string<char> >::value_type' {aka 'std::__cxx11::basic_string<char>'} to 'std::vector<int>::value_type&&' {aka 'int&&'}
 1203 |       push_back(value_type&& __x)
      |                 ~~~~~~~~~~~~~^~~
hidden.cpp:89:16: error: no match for 'operator=' (operand types are 'std::vector<std::__cxx11::basic_string<char> >' and 'std::vector<int>')
   89 |         puss = tmp;
      |                ^~~
In file included from /usr/include/c++/11/vector:72,
                 from /usr/include/c++/11/functional:62,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from hidden.cpp:1:
/usr/include/c++/11/bits/vector.tcc:198:5: note: candidate: 'std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(const std::vector<_Tp, _Alloc>&) [with _Tp = std::__cxx11::basic_string<char>; _Alloc = std::allocator<std::__cxx11::basic_string<char> >]'
  198 |     vector<_Tp, _Alloc>::
      |     ^~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/vector.tcc:199:42: note:   no known conversion for argument 1 from 'std::vector<int>' to 'const std::vector<std::__cxx11::basic_string<char> >&'
  199 |     operator=(const vector<_Tp, _Alloc>& __x)
      |               ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
In file included from /usr/include/c++/11/vector:67,
                 from /usr/include/c++/11/functional:62,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from hidden.cpp:1:
/usr/include/c++/11/bits/stl_vector.h:709:7: note: candidate: 'std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::vector<_Tp, _Alloc>&&) [with _Tp = std::__cxx11::basic_string<char>; _Alloc = std::allocator<std::__cxx11::basic_string<char> >]'
  709 |       operator=(vector&& __x) noexcept(_Alloc_traits::_S_nothrow_move())
      |       ^~~~~~~~
/usr/include/c++/11/bits/stl_vector.h:709:26: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::vector<std::__cxx11::basic_string<char> >&&'
  709 |       operator=(vector&& __x) noexcept(_Alloc_traits::_S_nothrow_move())
      |                 ~~~~~~~~~^~~
/usr/include/c++/11/bits/stl_vector.h:730:7: note: candidate: 'std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::initializer_list<_Tp>) [with _Tp = std::__cxx11::basic_string<char>; _Alloc = std::allocator<std::__cxx11::basic_string<char> >]'
  730 |       operator=(initializer_list<value_type> __l)
      |       ^~~~~~~~
/usr/include/c++/11/bits/stl_vector.h:730:46: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::initializer_list<std::__cxx11::basic_string<char> >'
  730 |       operator=(initializer_list<value_type> __l)
      |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
grader.cpp: In function 'int main()':
grader.cpp:28:26: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wformat=]
   28 |     fprintf (fifo_out, "%d\n", ans.size ());
      |                         ~^     ~~~~~~~~~~~
      |                          |              |
      |                          int            std::vector<int>::size_type {aka long unsigned int}
      |                         %ld