Submission #1772812
Source Code Expand
#include <cstdio> #include <cstring> #include <string> #include <cmath> #include <iostream> #include <algorithm> #include <map> #include <set> #include <queue> #include <vector> using namespace std; typedef long long ll; typedef unsigned int uint; typedef unsigned long long ull; typedef pair<int, int> PII; typedef vector<int> VI; #define fi first #define se second #define MP make_pair int read() { int v = 0, f = 1; char c = getchar(); while (c < 48 || 57 < c) {if (c == '-') f = -1; c = getchar();} while (48 <= c && c <= 57) v = (v << 3) + v + v + c - 48, c = getchar(); return v * f; } const int N = 101000; int n, f[N]; struct Edge { int nxt, to; } eg[N << 1]; int head[N], en; void setEdge(int u, int v) { eg[++en] = (Edge) {head[u], v}; head[u] = en; } void dfs(int u, int fa) { f[u] = 1; for (int e = head[u]; e; e = eg[e].nxt) { int v = eg[e].to; if (v == fa) continue; dfs(v, u); f[u] += f[v]; } } int main() { n = read(); for (int i = 1; i < n; i++) { int u = read(), v = read(); setEdge(u, v); setEdge(v, u); } dfs(1, 0); for (int i = 30; i >= 0; i--) if (f[1] >> i & 1) { printf("%d\n", i); return 0; } }
Submission Info
Submission Time | |
---|---|
Task | D - Uninity |
User | Misaka10032 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1377 Byte |
Status | WA |
Exec Time | 19 ms |
Memory | 6016 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 1400 | ||||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | s1.txt, s2.txt |
All | 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt, 40.txt, 41.txt, 42.txt, 43.txt, 44.txt, 45.txt, 46.txt, 47.txt, 48.txt, 49.txt, 50.txt, 51.txt, 52.txt, 53.txt, 54.txt, 55.txt, 56.txt, 57.txt, 58.txt, 59.txt, 60.txt, 61.txt, 62.txt, 63.txt, 64.txt, 65.txt, 66.txt, 67.txt, 68.txt, 69.txt, 70.txt, 71.txt, 72.txt, s1.txt, s2.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | WA | 15 ms | 2560 KB |
02.txt | WA | 15 ms | 2560 KB |
03.txt | WA | 15 ms | 2560 KB |
04.txt | WA | 15 ms | 2560 KB |
05.txt | WA | 15 ms | 2560 KB |
06.txt | WA | 15 ms | 2560 KB |
07.txt | WA | 15 ms | 2560 KB |
08.txt | WA | 15 ms | 2560 KB |
09.txt | AC | 12 ms | 3584 KB |
10.txt | AC | 13 ms | 4608 KB |
11.txt | AC | 7 ms | 2304 KB |
12.txt | AC | 7 ms | 2432 KB |
13.txt | AC | 19 ms | 6016 KB |
14.txt | AC | 17 ms | 5760 KB |
15.txt | AC | 18 ms | 5248 KB |
16.txt | AC | 17 ms | 3712 KB |
17.txt | WA | 13 ms | 2560 KB |
18.txt | WA | 13 ms | 2560 KB |
19.txt | WA | 13 ms | 2560 KB |
20.txt | WA | 13 ms | 2560 KB |
21.txt | WA | 14 ms | 2560 KB |
22.txt | WA | 13 ms | 2560 KB |
23.txt | WA | 13 ms | 2560 KB |
24.txt | WA | 12 ms | 2560 KB |
25.txt | WA | 14 ms | 2560 KB |
26.txt | WA | 14 ms | 2560 KB |
27.txt | WA | 14 ms | 2560 KB |
28.txt | WA | 15 ms | 2560 KB |
29.txt | WA | 15 ms | 2560 KB |
30.txt | WA | 15 ms | 2560 KB |
31.txt | WA | 15 ms | 2560 KB |
32.txt | WA | 15 ms | 2560 KB |
33.txt | WA | 15 ms | 2560 KB |
34.txt | WA | 15 ms | 2560 KB |
35.txt | WA | 15 ms | 2560 KB |
36.txt | WA | 15 ms | 2560 KB |
37.txt | WA | 15 ms | 2560 KB |
38.txt | WA | 16 ms | 2560 KB |
39.txt | WA | 15 ms | 2560 KB |
40.txt | WA | 15 ms | 2560 KB |
41.txt | WA | 15 ms | 2560 KB |
42.txt | WA | 16 ms | 2560 KB |
43.txt | WA | 16 ms | 2560 KB |
44.txt | WA | 16 ms | 2560 KB |
45.txt | WA | 14 ms | 2688 KB |
46.txt | WA | 15 ms | 2688 KB |
47.txt | WA | 14 ms | 2688 KB |
48.txt | WA | 15 ms | 2688 KB |
49.txt | WA | 15 ms | 2688 KB |
50.txt | WA | 16 ms | 2688 KB |
51.txt | WA | 17 ms | 2688 KB |
52.txt | WA | 16 ms | 2688 KB |
53.txt | WA | 16 ms | 2688 KB |
54.txt | WA | 16 ms | 2688 KB |
55.txt | WA | 16 ms | 2688 KB |
56.txt | WA | 13 ms | 2560 KB |
57.txt | WA | 16 ms | 4992 KB |
58.txt | WA | 16 ms | 4992 KB |
59.txt | WA | 17 ms | 2688 KB |
60.txt | WA | 17 ms | 2688 KB |
61.txt | WA | 14 ms | 3328 KB |
62.txt | WA | 14 ms | 3328 KB |
63.txt | WA | 1 ms | 256 KB |
64.txt | WA | 1 ms | 256 KB |
65.txt | AC | 1 ms | 256 KB |
66.txt | AC | 1 ms | 256 KB |
67.txt | WA | 1 ms | 256 KB |
68.txt | AC | 1 ms | 256 KB |
69.txt | WA | 1 ms | 256 KB |
70.txt | AC | 1 ms | 256 KB |
71.txt | AC | 1 ms | 256 KB |
72.txt | AC | 1 ms | 256 KB |
s1.txt | AC | 1 ms | 256 KB |
s2.txt | AC | 1 ms | 256 KB |