Submission #1247717

#TimeUsernameProblemLanguageResultExecution timeMemory
1247717m_bezrutchkaUnscrambling a Messy Bug (IOI16_messy)C++20
20 / 100
1 ms328 KiB
#include "messy.h" #include <bits/stdc++.h> using namespace std; vector<int> restore_permutation(int n, int w, int r) { string s = ""; for (int i = 0; i < n; i++) { s.push_back('0'); } for (int i = 0; i < n; i++) { s[i] = '1'; add_element(s); } compile_set(); for (int i = 0; i < n; i++) { s[i] = '0'; } int first_idx = -1; for (int i = 0; i < n; i++) { s[i] = '1'; if (!check_element(s)) { first_idx = i; break; } } vector<int> p; for (int i = 0; i < n; i++) { p.push_back(i); } // identity case if (first_idx == -1) return p; s[first_idx] = '0'; int second_idx = -1; for (int i = first_idx + 1; i < n; i++) { s[i] = '1'; if (check_element(s)) { second_idx = i; break; } s[i] = '0'; } assert(second_idx != -1); swap(p[first_idx], p[second_idx]); return p; }

Compilation message (stderr)

messy.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
messy_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
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