Submission #471359

#TimeUsernameProblemLanguageResultExecution timeMemory
471359lovrotQuestion (Grader is different from the original contest) (CEOI14_question_grader)C++11
100 / 100
4782 ms24248 KiB
#include <bits/stdc++.h> using namespace std; bool breakb = false; vector<int> out; int m; void shuffle(int x, int pos, int par){ //cout << x << ' ' << pos << ' ' << par << "\n"; if(breakb) return; if(pos >= 12){ out.push_back(par); if(out.size() > m) breakb = true; return; } if(x) shuffle(x - 1, pos + 1, par ^ (1 << pos)); if(12 - pos > x) shuffle(x, pos + 1, par); } int encode(int n, int x, int y){ ios_base::sync_with_stdio(false); m = n; shuffle(6, 0, 0); for (int i = 0; i < 12; i++) if ((out[x] & (1 << i)) && (!(out[y] & (1 << i)))) return i+1; }
#include <bits/stdc++.h> using namespace std; bool breakb = false; vector<int> out; int m; void shuffle(int x, int pos, int par){ //cout << x << ' ' << pos << ' ' << par << "\n"; if(breakb) return; if(pos >= 12){ out.push_back(par); if(out.size() > m) breakb = true; return; } if(x) shuffle(x - 1, pos + 1, par ^ (1 << pos)); if(12 - pos > x) shuffle(x, pos + 1, par); } int decode(int n, int q, int h){ ios_base::sync_with_stdio(false); m = n; shuffle(6, 0, 0); if(out[q] & (1 << (h - 1))) return 1; return 0; }

Compilation message (stderr)

encoder.cpp: In function 'void shuffle(int, int, int)':
encoder.cpp:18:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   18 |   if(out.size() > m)
      |      ~~~~~~~~~~~^~~
encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:40:1: warning: control reaches end of non-void function [-Wreturn-type]
   40 | }
      | ^

decoder.cpp: In function 'void shuffle(int, int, int)':
decoder.cpp:18:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   18 |   if(out.size() > m)
      |      ~~~~~~~~~~~^~~
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