Update union-find_disjoint_set.cpp

Changes

1 changed files (+3/-3)

• Data Structures/union-find_disjoint_set.cpp
  • @@ -2,9 +2,9 @@ class UFDS {
    private: vector<int> p, rank; public: UFDS(int N) { - p.assign(N + 1, 0); + p.assign(N+1, 0); for (int i = 0; i <= N; i++) p[i] = i; - rank.assign(N + 1, 0); + rank.assign(N+1, 0); } int find_set(int i) { return (p[i] == i) ? i : (p[i] = find_set(p[i])); } bool same_set(int i, int j) { return find_set(i) == find_set(j); }
  • @@ -14,4 +14,4 @@ public:
    rank[x] > rank[y] ? p[y] = x : p[x] = y; if (rank[x] == rank[y]) rank[y]++; } - }; + };