Submission #227022

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
227022	2020-04-25 21:49:06	abeker	Matching (COCI20_matching)	C++17	58 / 110	2604 ms	435388 KiB

matching

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#include <bits/stdc++.h>
using namespace std;
typedef pair <int, int> pii;
const int MAXN = 1e5 + 5;
const int offset = 1 << 17;
class TwoSat {
  const static int MAXV = 1e7 + 5;
  
  int n;
  vector <int> sol;
  vector <bool> bio;
  vector <int> comp;
  vector <vector <int>> adj, rev;
  int order[MAXV];
  int stackSize;
  public:
    int add_variables(int vars) {
      n += vars;
      for (int i = 0; i < 2 * vars; i++) {
        sol.push_back(0);
        bio.push_back(false);
        comp.push_back(0);
        adj.push_back(vector <int> ());
        rev.push_back(vector <int> ());
      }
      return n - vars;
    }
 
 
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Compilation message (stderr)

matching.cpp: In function 'void add_clause(int, int, int)':
matching.cpp:127:8: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if (u < off[x] + tour[x].size())
      ~~^~~~~~~~~~~~~~~~~~~~~~~~~
matching.cpp: In function 'void init(int)':
matching.cpp:136:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  while (off[x] < tour[x].size())
         ~~~~~~~^~~~~~~~~~~~~~~~
matching.cpp: In function 'void load()':
matching.cpp:102:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
  ~~~~~^~~~~~~~~~
matching.cpp:104:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", x + i, y + i);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 6 / 6
• Subtask 3: 7 / 7
• Subtask 4: 40 / 40
• Subtask 5: 0 / 52