Submission #1997694
Source Code Expand
#include <bits/stdc++.h> const int N=1e5+10; struct Edge{ int to,next; }way[N]; int n,num[N],tot; void Build(int a,int b) { way[++tot]=(Edge){b,num[a]}; num[a]=tot; } void Init() { scanf("%d",&n); int a; for (int i=2;i<=n;++i) { scanf("%d",&a); Build(a,i); } } int val[N],value[N]; int Dfs(int x) { for (int i=num[x];i;i=way[i].next) { int v=way[i].to; Dfs(v); } int top=0; for (int i=num[x];i;i=way[i].next) { int v=way[i].to; val[++top]=value[v]; } std::sort(val+1,val+top+1); int ans=0; for (int i=1;i<=top;) { int p=i; while (val[p]==val[i] && i<=top) ++i; ans=std::max(ans,val[p])+i-p; } value[x]=ans; return ans; } void Solve() { printf("%d\n",Dfs(1)); } int main() { Init(); Solve(); return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Tournament |
User | Mcallor |
Language | C++14 (GCC 5.4.1) |
Score | 800 |
Code Size | 793 Byte |
Status | AC |
Exec Time | 15 ms |
Memory | 6528 KB |
Compile Error
./Main.cpp: In function ‘void Init()’: ./Main.cpp:12:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ ./Main.cpp:15:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&a); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 800 / 800 | ||||
Status |
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|
Set Name | Test Cases |
---|---|
Sample | s1.txt, s2.txt, s3.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, s1.txt, s2.txt, s3.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | AC | 15 ms | 1792 KB |
02.txt | AC | 15 ms | 1792 KB |
03.txt | AC | 15 ms | 1792 KB |
04.txt | AC | 15 ms | 1792 KB |
05.txt | AC | 15 ms | 1792 KB |
06.txt | AC | 15 ms | 1792 KB |
07.txt | AC | 15 ms | 1792 KB |
08.txt | AC | 15 ms | 1792 KB |
09.txt | AC | 15 ms | 1792 KB |
10.txt | AC | 15 ms | 1792 KB |
11.txt | AC | 15 ms | 6528 KB |
12.txt | AC | 14 ms | 4992 KB |
13.txt | AC | 14 ms | 4096 KB |
14.txt | AC | 14 ms | 3328 KB |
15.txt | AC | 14 ms | 2816 KB |
16.txt | AC | 13 ms | 2432 KB |
17.txt | AC | 13 ms | 2048 KB |
18.txt | AC | 13 ms | 1920 KB |
19.txt | AC | 14 ms | 1792 KB |
20.txt | AC | 15 ms | 1792 KB |
21.txt | AC | 11 ms | 1792 KB |
22.txt | AC | 11 ms | 1664 KB |
23.txt | AC | 11 ms | 1536 KB |
24.txt | AC | 11 ms | 1536 KB |
25.txt | AC | 11 ms | 1536 KB |
26.txt | AC | 12 ms | 1408 KB |
27.txt | AC | 12 ms | 1408 KB |
28.txt | AC | 13 ms | 1408 KB |
29.txt | AC | 13 ms | 1408 KB |
30.txt | AC | 13 ms | 1408 KB |
31.txt | AC | 12 ms | 1664 KB |
32.txt | AC | 12 ms | 1536 KB |
33.txt | AC | 12 ms | 1536 KB |
34.txt | AC | 11 ms | 1536 KB |
35.txt | AC | 11 ms | 1408 KB |
36.txt | AC | 11 ms | 1408 KB |
37.txt | AC | 11 ms | 1408 KB |
38.txt | AC | 11 ms | 1408 KB |
39.txt | AC | 11 ms | 1408 KB |
40.txt | AC | 11 ms | 1408 KB |
41.txt | AC | 1 ms | 256 KB |
42.txt | AC | 1 ms | 256 KB |
43.txt | AC | 1 ms | 256 KB |
44.txt | AC | 1 ms | 256 KB |
45.txt | AC | 1 ms | 256 KB |
46.txt | AC | 1 ms | 256 KB |
47.txt | AC | 1 ms | 256 KB |
48.txt | AC | 1 ms | 256 KB |
49.txt | AC | 1 ms | 256 KB |
50.txt | AC | 1 ms | 256 KB |
s1.txt | AC | 1 ms | 256 KB |
s2.txt | AC | 1 ms | 256 KB |
s3.txt | AC | 1 ms | 256 KB |