Example #1
0
        public static void Solve()
        {
            var(N, Q) = Scanner.Scan <int, int>();
            var dsu = new DSU(N);

            for (var i = 0; i < Q; i++)
            {
                var(t, u, v) = Scanner.Scan <int, int, int>();
                if (t == 0)
                {
                    dsu.Merge(u, v);
                }
                else
                {
                    Console.WriteLine(dsu.IsSame(u, v) ? 1 : 0);
                }
            }
        }
Example #2
0
        public static void Solve()
        {
            var(N, M, K) = Scanner.Scan <int, int, int>();
            var friends = new List <int> [N].Select(x => new List <int>()).ToArray();
            var blocks  = new List <int> [N].Select(x => new List <int>()).ToArray();
            var dsu     = new DSU(N);

            for (var i = 0; i < M; i++)
            {
                var(A, B) = Scanner.Scan <int, int>();
                dsu.Merge(--A, --B);
                friends[A].Add(B);
                friends[B].Add(A);
            }

            for (var i = 0; i < K; i++)
            {
                var(C, D) = Scanner.Scan <int, int>();
                blocks[--C].Add(--D);
                blocks[D].Add(C);
            }

            var answer = new int[N];

            for (var i = 0; i < N; i++)
            {
                answer[i] = dsu.SizeOf(i) - friends[i].Count - 1;
                foreach (var block in blocks[i])
                {
                    if (dsu.IsSame(i, block))
                    {
                        answer[i]--;
                    }
                }
            }
            Console.WriteLine(string.Join(" ", answer));
        }