Method solve

src/class184/Code05_Freezing1.java:186–195

(int u)

	}

	public static void solve(int u) {
		vis[u] = true;
		calc(u);
		for (int e = head[u]; e > 0; e = nxt[e]) {
			int v = to[e];
			if (!vis[v]) {
				solve(getCentroid(v, u));
			}
		}
	}

	public static void main(String[] args) throws Exception {
		FastReader in = new FastReader(System.in);