Submission #622643

#	Time	Username	Problem	Language	Result	Execution time	Memory
622643		PanTkd	Combo (IOI18_combo)	C++14	Compilation error	0 ms	0 KiB

This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.

combo

//
//  main.cpp
//
//  Created by Panagiotis Chadjicostas on
//  Copyright © Panagiotis Hadjicostas. All rights reserved.
//
#include "combo.h"
#include <iostream>
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <fstream>
#include <iomanip>
#include <iterator>
#include <limits>
#include <list>
#include <cstring>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>
#include <unordered_map>
 
using namespace std;
 
typedef long long ll;
typedef vector<ll> vi;
typedef pair<ll,ll> ii;
#define fo(i,a,b) for(int i = a; i<=b; i++)
#define f(i,b) for(int i=0;i<b;i++)
#define F first
#define S second
#define sz size
#define ls s,m,idx<<1
#define rs m+1,e,idx<<1|1
const ll MOD=ll(1e9)+7;
const ll MAXN=2*ll(1e6);
void checker(){
    ll n=rand()%20+2;
    vi a(n,ll());
    for(ll i=0;i<n;i++){
        a[i]=rand()%20+2;
    }
    for(ll b=0;b<(1<<n);b++){
        vi on,off;
        for(ll i=0;i<n;i++){
            if(i&(1<<i)){
                on.push_back(i);
            }
            else{
                off.push_back(i);
            }
        }
    }
}
///////////////////////////////////////////////////////////////////////
int press(string s);
string guess_sequence(int N){
    char ch[4]={'A','B','X','Y'};
 
    // gia na vro to arxiko
 
    ll idx=3;
    for(ll i=0;i<3;i++){
        if(press(string(ch[i]))){
            idx=i;
        } 
    }
    
    swap(ch[0],ch[idx]);
 
    string s="";
    s+=ch[0];
 
    for(ll i=2;i<=N;i++){
 
        string temp= s;
        temp+=ch[1];
        temp+=s;
        temp+=ch[2];
        temp+=ch[1];
        temp+=s;
        temp+=ch[2];
        temp+=ch[2];
        temp+=s;
        temp+=ch[2];
        temp+=ch[3];
 
        ll ans=press(temp);
 
        if(ans==s.size()){
            s+=ch[3];
        }
        else if(ans==s.size()+2){
            s+=ch[2];
        }
        else
            s+=ch[1];
    }
  	return s;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:68:30: error: no matching function for call to 'std::__cxx11::basic_string<char>::basic_string(char&)'
   68 |         if(press(string(ch[i]))){
      |                              ^
In file included from /usr/include/c++/10/string:55,
                 from combo.h:3,
                 from combo.cpp:7:
/usr/include/c++/10/bits/basic_string.h:625:9: note: candidate: 'template<class _InputIterator, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(_InputIterator, _InputIterator, const _Alloc&) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]'
  625 |         basic_string(_InputIterator __beg, _InputIterator __end,
      |         ^~~~~~~~~~~~
/usr/include/c++/10/bits/basic_string.h:625:9: note:   template argument deduction/substitution failed:
combo.cpp:68:30: note:   candidate expects 3 arguments, 1 provided
   68 |         if(press(string(ch[i]))){
      |                              ^
In file included from /usr/include/c++/10/string:55,
                 from combo.h:3,
                 from combo.cpp:7:
/usr/include/c++/10/bits/basic_string.h:587:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]'
  587 |       basic_string(basic_string&& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/10/bits/basic_string.h:587:7: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/10/bits/basic_string.h:583:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]'
  583 |       basic_string(const basic_string& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/10/bits/basic_string.h:583:7: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/10/bits/basic_string.h:579:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::initializer_list<_Tp>, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]'
  579 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/10/bits/basic_string.h:579:45: note:   no known conversion for argument 1 from 'char' to 'std::initializer_list<char>'
  579 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |                    ~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/basic_string.h:552:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]'
  552 |       basic_string(basic_string&& __str) noexcept
      |       ^~~~~~~~~~~~
/usr/include/c++/10/bits/basic_string.h:552:35: note:   no known conversion for argument 1 from 'char' to 'std::__cxx11::basic_string<char>&&'
  552 |       basic_string(basic_string&& __str) noexcept
      |                    ~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/10/bits/basic_string.h:540:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type, _CharT, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type = long unsigned int]'
  540 |       basic_string(size_type __n, _CharT __c, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/10/bits/basic_string.h:540:7: note:   candidate expects 3 arguments, 1 provided
/usr/include/c++/10/bits/basic_string.h:525:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' (near match)
  525 |       basic_string(const _CharT* __s, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/10/bits/basic_string.h:525:7: note:   conversion of argument 1 would be ill-formed:
combo.cpp:68:29: error: invalid conversion from 'char' to 'const char*' [-fpermissive]
   68 |         if(press(string(ch[i]))){
      |                         ~~~~^
      |                             |
      |                             char
In file included from /usr/include/c++/10/string:55,
                 from combo.h:3,
                 from combo.cpp:7:
/usr/include/c++/10/bits/basic_string.h:510:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type = long unsigned int]'
  510 |       basic_string(const _CharT* __s, size_type __n,
      |       ^~~~~~~~~~~~
/usr/include/c++/10/bits/basic_string.h:510:7: note:   candidate expects 3 arguments, 1 provided
/usr/include/c++/10/bits/basic_string.h:492:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type = long unsigned int]'
  492 |       basic_string(const basic_string& __str, size_type __pos,
      |       ^~~~~~~~~~~~
/usr/include/c++/10/bits/basic_string.h:492:7: note:   candidate expects 4 arguments, 1 provided
/usr/include/c++/10/bits/basic_string.h:476:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type = long unsigned int]'
  476 |       basic_string(const basic_string& __str, size_type __pos,
      |       ^~~~~~~~~~~~
/usr/include/c++/10/bits/basic_string.h:476:7: note:   candidate expects 3 arguments, 1 provided
/usr/include/c++/10/bits/basic_string.h:461:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type = long unsigned int]'
  461 |       basic_string(const basic_string& __str, size_type __pos,
      |       ^~~~~~~~~~~~
/usr/include/c++/10/bits/basic_string.h:461:7: note:   candidate expects 3 arguments, 1 provided
/usr/include/c++/10/bits/basic_string.h:448:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]'
  448 |       basic_string(const basic_string& __str)
      |       ^~~~~~~~~~~~
/usr/include/c++/10/bits/basic_string.h:448:40: note:   no known conversion for argument 1 from 'char' to 'const std::__cxx11::basic_string<char>&'
  448 |       basic_string(const basic_string& __str)
      |                    ~~~~~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/10/bits/basic_string.h:440:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]'
  440 |       basic_string(const _Alloc& __a) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~~~~~
/usr/include/c++/10/bits/basic_string.h:440:34: note:   no known conversion for argument 1 from 'char' to 'const std::allocator<char>&'
  440 |       basic_string(const _Alloc& __a) _GLIBCXX_NOEXCEPT
      |                    ~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/basic_string.h:431:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string() [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]'
  431 |       basic_string()
      |       ^~~~~~~~~~~~
/usr/include/c++/10/bits/basic_string.h:431:7: note:   candidate expects 0 arguments, 1 provided
combo.cpp:94:15: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   94 |         if(ans==s.size()){
      |            ~~~^~~~~~~~~~
combo.cpp:97:20: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   97 |         else if(ans==s.size()+2){
      |                 ~~~^~~~~~~~~~~~