Submission #227062

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
227062	2020-04-26 00:19:48	abeker	Matching (COCI20_matching)	C++17	11 / 110	14 ms	14080 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;
struct Node {
  int val;
  Node* nxt;
};
class Graph {
  Node* get_node(int dest, Node* head) {
    Node* newNode = new Node;
    newNode -> val = dest;
    newNode -> nxt = head;
    return newNode;
  }
  int N;
  public:
    Node **head;
    Graph(int N) {
      head = new Node*[N]();
      this -> N = N;
      for (int i = 0; i < N; i++)
        head[i] = nullptr;
    }
    Graph(){}
 
 
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Compilation message (stderr)

matching.cpp: In function 'void add_clause(int, int, int)':
matching.cpp:117:8: 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:126:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  while (off[x] < tour[x].size())
         ~~~~~~~^~~~~~~~~~~~~~~~
matching.cpp: In function 'void load()':
matching.cpp:92:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
  ~~~~~^~~~~~~~~~
matching.cpp:94:8: 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: 0 / 7
• Subtask 4: 0 / 40
• Subtask 5: 0 / 52