Submission #748229

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
748229	2023-05-25 18:53:30	arthur_nascimento	Reconstruction Project (JOI22_reconstruction)	C++14	100 / 100	1760 ms	29868 KiB

reconstruction

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#include <bits/stdc++.h>
int ri() {
  int n;
  scanf("%d", &n);
  return n;
}
struct UnionFind {
  int n;
  std::vector<int> a;
  UnionFind (int n) : n(n), a(n, -1) {}
  int root(int i) { return a[i] < 0 ? i : a[i] = root(a[i]); }
  bool unite(int x, int y) {
    x = root(x);
    y = root(y);
    if (x == y) return false;
    if (a[x] > a[y]) std::swap(x, y);
    a[x] += a[y];
    a[y] = x;
    return true;
  }
  bool same(int x, int y) { return root(x) == root(y); }
};
int main() {
  int n = ri();
  int m = ri();
  struct Hen {
    int a;
 
 
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Compilation message (stderr)

reconstruction.cpp: In function 'int ri()':
reconstruction.cpp:5:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~

• Subtask 1: 3 / 3
• Subtask 2: 4 / 4
• Subtask 3: 7 / 7
• Subtask 4: 28 / 28
• Subtask 5: 35 / 35
• Subtask 6: 23 / 23