#include <bits/stdc++.h>
#include "messy.h"
using namespace std;
/*
void add_element(string s)
{
cout<< "Added " << s << "\n";
}
void compile_set()
{
cout<< "COMPILING SETS" << "\n";
}
bool check_element(string s)
{
cout<< "Checking " << s << "\n";
int ans; cin>> ans;
return ans;
}
*/
void AddRecursive(int p1, int p2, string bit)
{
if (p2 - p1 == 1)
{
bit.replace(0, bit.length(), bit.length(), '1');
bit[p1] = '0';
add_element(bit);
return;
}
if (p1 - 1 >= 0)
bit.replace(0, p1, p1, '1');
if (p2 + 1 < bit.length())
bit.replace(p2 + 1, (bit.length() - p2 - 1), (bit.length() - p2 - 1), '1');
int m = (p1 + p2) >> 1;
for (int i = p1; i <= m; i++)
{
bit[i] = '1';
add_element(bit);
bit[i] = '0';
}
AddRecursive(p1, m, bit);
AddRecursive(m + 1, p2, bit);
}
void CheckRecursive(int p1, int p2, string bit, vector<int> &CheckBit, vector<int> &result)
{
bit.assign(bit.length(), '1');
for (int i = 0; i < CheckBit.size(); i++)
bit[CheckBit[i]] = '0';
if (p2 - p1 == 1)
{
bit[CheckBit[0]] = '1';
if (check_element(bit))
{
result[CheckBit[1]] = p1;
result[CheckBit[0]] = p2;
}
else
{
result[CheckBit[1]] = p2;
result[CheckBit[0]] = p1;
}
return;
}
vector<int> BotHalf, TopHalf;
for (int i = 0; i < CheckBit.size(); i++)
{
bit[CheckBit[i]] = '1';
if (check_element(bit))
BotHalf.push_back(CheckBit[i]);
else
TopHalf.push_back(CheckBit[i]);
bit[CheckBit[i]] = '0';
}
int m = (p1 + p2) >> 1;
CheckRecursive(p1, m, bit, BotHalf, result);
CheckRecursive(m + 1, p2, bit, TopHalf, result);
}
void restore_permutation(int n, int w, int r, vector<int> &result)
{
string bit, use;
bit.assign(n, '0');
AddRecursive(0, n - 1, bit);
compile_set();
vector<int> CheckBit(n);
for (int i = 0; i < n; i++)
CheckBit[i] = i;
CheckRecursive(0, n - 1, bit, CheckBit, result);
}
Compilation message
messy.cpp: In function 'void AddRecursive(int, int, std::string)':
messy.cpp:35:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
35 | if (p2 + 1 < bit.length())
| ~~~~~~~^~~~~~~~~~~~~~
messy.cpp: In function 'void CheckRecursive(int, int, std::string, std::vector<int>&, std::vector<int>&)':
messy.cpp:53:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
53 | for (int i = 0; i < CheckBit.size(); i++)
| ~~^~~~~~~~~~~~~~~~~
messy.cpp:75:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
75 | for (int i = 0; i < CheckBit.size(); i++)
| ~~^~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccmEVlSA.o: in function `main':
grader.cpp:(.text.startup+0x1b4): undefined reference to `restore_permutation(int, int, int)'
collect2: error: ld returned 1 exit status
