Submission #476255

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
476255	2021-09-25 16:53:28	Hamed5001	Carnival (CEOI14_carnival)	C++14	100 / 100	19 ms	316 KiB

carnival

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int mxN = 150;
struct DSU {
  int N;
  vector<int> P;
  DSU(int N) : N(N) {
    P.resize(N);
    for (int i = 0; i < N; i++)
      P[i] = i;
  }
  int getParent(int a) {
    return P[a] = (P[a] == a ? a : getParent(P[a]));
  }
  void unite(int a, int b) {
    a = getParent(a);
    b = getParent(b);
    P[a] = b;
  }
};
DSU d(mxN);
 
 
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Compilation message (stderr)

carnival.cpp: In function 'bool query(int, int, int)':
carnival.cpp:40:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::set<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |  return res == st.size();
      |         ~~~~^~~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 20 / 20
• Subtask 5: 20 / 20