Submission #336589

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
336589	2020-12-15T22:22:50 Z	ljuba	Combo (IOI18_combo)	C++17	Compilation error	0 ms	0 KB

combo

#include <bits/stdc++.h>
#include "combo.h"

using namespace std;

string guess_sequence(int n) {
    string ans;
    if(guess("AB")) {
        if(guess("A"))
            ans += 'A';
        else
            ans += 'B';
    } else if(guess("X")) {
        ans += 'X';
    } else {
        ans += 'Y';
    }

    if(n <= 1)
        return ans;
    vector<char> kar;
    if(ans != "A")
        kar.push_back("A");
    else if(ans != "B")
        kar.push_back("B");
    else if(ans != "X")
        kar.push_back("X");
    else if(ans != "Y");
        kar.push_back("Y");

    for(int i = 1; i < n-1; ++i) {
        string s = ans + kar[0] + ans + kar[1] + kar[0] + ans + kar[1] + kar[1] + ans + kar[1] + kar[2];
        int x = guess(s) - (i+1);
        if(x == 0) {
            ans += kar[2];
        } else if(x == 1) {
            ans += kar[0];
        } else {
            ans += kar[1];
        }
    }

    if(guess(s+kar[0]) == n) {
        ans += kar[0];
    } else if(guess(s+kar[1]) == n) {
        ans += kar[1];
    } else {
        ans += kar[2];
    }

    return ans;
}

Compilation message

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:8:8: error: 'guess' was not declared in this scope
    8 |     if(guess("AB")) {
      |        ^~~~~
combo.cpp:23:26: error: no matching function for call to 'push_back(const char [2])'
   23 |         kar.push_back("A");
      |                          ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from combo.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = char; _Alloc = std::allocator<char>; std::vector<_Tp, _Alloc>::value_type = char]' (near match)
 1187 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1187:7: note:   conversion of argument 1 would be ill-formed:
combo.cpp:23:23: error: invalid conversion from 'const char*' to 'std::vector<char>::value_type' {aka 'char'} [-fpermissive]
   23 |         kar.push_back("A");
      |                       ^~~
      |                       |
      |                       const char*
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from combo.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = char; _Alloc = std::allocator<char>; std::vector<_Tp, _Alloc>::value_type = char]' (near match)
 1203 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1203:7: note:   conversion of argument 1 would be ill-formed:
combo.cpp:23:23: error: invalid conversion from 'const char*' to 'std::vector<char>::value_type' {aka 'char'} [-fpermissive]
   23 |         kar.push_back("A");
      |                       ^~~
      |                       |
      |                       const char*
combo.cpp:25:26: error: no matching function for call to 'push_back(const char [2])'
   25 |         kar.push_back("B");
      |                          ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from combo.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = char; _Alloc = std::allocator<char>; std::vector<_Tp, _Alloc>::value_type = char]' (near match)
 1187 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1187:7: note:   conversion of argument 1 would be ill-formed:
combo.cpp:25:23: error: invalid conversion from 'const char*' to 'std::vector<char>::value_type' {aka 'char'} [-fpermissive]
   25 |         kar.push_back("B");
      |                       ^~~
      |                       |
      |                       const char*
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from combo.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = char; _Alloc = std::allocator<char>; std::vector<_Tp, _Alloc>::value_type = char]' (near match)
 1203 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1203:7: note:   conversion of argument 1 would be ill-formed:
combo.cpp:25:23: error: invalid conversion from 'const char*' to 'std::vector<char>::value_type' {aka 'char'} [-fpermissive]
   25 |         kar.push_back("B");
      |                       ^~~
      |                       |
      |                       const char*
combo.cpp:27:26: error: no matching function for call to 'push_back(const char [2])'
   27 |         kar.push_back("X");
      |                          ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from combo.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = char; _Alloc = std::allocator<char>; std::vector<_Tp, _Alloc>::value_type = char]' (near match)
 1187 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1187:7: note:   conversion of argument 1 would be ill-formed:
combo.cpp:27:23: error: invalid conversion from 'const char*' to 'std::vector<char>::value_type' {aka 'char'} [-fpermissive]
   27 |         kar.push_back("X");
      |                       ^~~
      |                       |
      |                       const char*
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from combo.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = char; _Alloc = std::allocator<char>; std::vector<_Tp, _Alloc>::value_type = char]' (near match)
 1203 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1203:7: note:   conversion of argument 1 would be ill-formed:
combo.cpp:27:23: error: invalid conversion from 'const char*' to 'std::vector<char>::value_type' {aka 'char'} [-fpermissive]
   27 |         kar.push_back("X");
      |                       ^~~
      |                       |
      |                       const char*
combo.cpp:28:10: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   28 |     else if(ans != "Y");
      |          ^~
combo.cpp:29:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   29 |         kar.push_back("Y");
      |         ^~~
combo.cpp:29:26: error: no matching function for call to 'push_back(const char [2])'
   29 |         kar.push_back("Y");
      |                          ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from combo.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = char; _Alloc = std::allocator<char>; std::vector<_Tp, _Alloc>::value_type = char]' (near match)
 1187 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1187:7: note:   conversion of argument 1 would be ill-formed:
combo.cpp:29:23: error: invalid conversion from 'const char*' to 'std::vector<char>::value_type' {aka 'char'} [-fpermissive]
   29 |         kar.push_back("Y");
      |                       ^~~
      |                       |
      |                       const char*
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from combo.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = char; _Alloc = std::allocator<char>; std::vector<_Tp, _Alloc>::value_type = char]' (near match)
 1203 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1203:7: note:   conversion of argument 1 would be ill-formed:
combo.cpp:29:23: error: invalid conversion from 'const char*' to 'std::vector<char>::value_type' {aka 'char'} [-fpermissive]
   29 |         kar.push_back("Y");
      |                       ^~~
      |                       |
      |                       const char*
combo.cpp:33:17: error: 'guess' was not declared in this scope
   33 |         int x = guess(s) - (i+1);
      |                 ^~~~~
combo.cpp:43:14: error: 's' was not declared in this scope
   43 |     if(guess(s+kar[0]) == n) {
      |              ^
combo.cpp:43:8: error: 'guess' was not declared in this scope
   43 |     if(guess(s+kar[0]) == n) {
      |        ^~~~~