Submission #1121933

#	Time	Username	Problem	Language	Result	Execution time	Memory
1121933		ElayV13	Unscrambling a Messy Bug (IOI16_messy)	C++17	Compilation error	0 ms	0 KiB

messy

#include "messy.h"
#include <bits/stdc++.h>
using namespace std;

std::vector<int> restore_permutation(int n, int w, int r) {
   vector < string > s;
   for(int i = 0;i < n - 1;i++)
   {
      string q = "";
      for(int j = 0;j <= i;j++) q = q + '0';
      for(int j = i + 1;j < n;j++) q = q + '1';
      s.push_back(q);
      add_element(q);
   }
   compile_set();
   for(int i = 0;i < n;i++) for(int j = i;j < n;j++){
      bool f = 1;
      for(int p = 0;p < n - 1;p++){
         string q = s[p];
         swap(q[i] , q[j]);
         f &= check_element(q);
      }
      if(ok){
         vector < int > ans(n);
         for(int p = 0;p < n;p++) ans[p] = p;
         swap(ans[i] , ans[j]);
         return ans;
      }
   }
}

Compilation message (stderr)

messy.cpp: In function 'std::vector<int> restore_permutation(int, int, int)':
messy.cpp:23:10: error: 'ok' was not declared in this scope
   23 |       if(ok){
      |          ^~
messy.cpp:6:22: warning: control reaches end of non-void function [-Wreturn-type]
    6 |    vector < string > s;
      |                      ^