Submission #1696127
Source Code Expand
#include<cstdio> #include<algorithm> #include<cstring> #include<cmath> #include<vector> using namespace std; const int maxn=100010; int n,k; vector<int> g[maxn]; void read(int& x){ x=0; char c=getchar(); while(c<'0' || c>'9') c=getchar(); while(c>='0' && c<='9'){ x=x*10+c-'0'; c=getchar(); } } int dep[maxn], ans, fa[maxn]; void dfs(int x){ dep[x]=1; for(int i=0;i<g[x].size();i++){ int v=g[x][i]; dfs(v); dep[x]=max(dep[x], dep[v]+1); } if(fa[x]!=1 && dep[x]==k) dep[x]=0, ans++; } int main(){ read(n), read(k); for(int i=1;i<=n;i++){ read(fa[i]); if(i!=1) g[fa[i]].push_back(i); } if(fa[1]!=1) ans++; fa[1]=1; dfs(1); printf("%d",ans); return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Teleporter |
User | ljs |
Language | C++14 (GCC 5.4.1) |
Score | 800 |
Code Size | 724 Byte |
Status | AC |
Exec Time | 35 ms |
Memory | 11264 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 800 / 800 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 0_00.txt, 0_01.txt, 0_02.txt |
All | 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt, 1_29.txt, 1_30.txt, 1_31.txt, 1_32.txt, 1_33.txt, 1_34.txt, 1_35.txt, 1_36.txt, 1_37.txt, 1_38.txt, 1_39.txt, 1_40.txt, 1_41.txt, 1_42.txt, 1_43.txt, 1_44.txt, 1_45.txt, 1_46.txt, 1_47.txt, 1_48.txt, 1_49.txt, 1_50.txt, 1_51.txt, 1_52.txt, 1_53.txt, 1_54.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_00.txt | AC | 3 ms | 2560 KB |
0_01.txt | AC | 3 ms | 2560 KB |
0_02.txt | AC | 3 ms | 2560 KB |
1_00.txt | AC | 3 ms | 2560 KB |
1_01.txt | AC | 3 ms | 2560 KB |
1_02.txt | AC | 33 ms | 11136 KB |
1_03.txt | AC | 27 ms | 11136 KB |
1_04.txt | AC | 34 ms | 11136 KB |
1_05.txt | AC | 28 ms | 11136 KB |
1_06.txt | AC | 28 ms | 11264 KB |
1_07.txt | AC | 35 ms | 11136 KB |
1_08.txt | AC | 35 ms | 11136 KB |
1_09.txt | AC | 30 ms | 11136 KB |
1_10.txt | AC | 24 ms | 8832 KB |
1_11.txt | AC | 25 ms | 8832 KB |
1_12.txt | AC | 27 ms | 8832 KB |
1_13.txt | AC | 26 ms | 6528 KB |
1_14.txt | AC | 23 ms | 6528 KB |
1_15.txt | AC | 23 ms | 6528 KB |
1_16.txt | AC | 14 ms | 5244 KB |
1_17.txt | AC | 13 ms | 5116 KB |
1_18.txt | AC | 13 ms | 5244 KB |
1_19.txt | AC | 6 ms | 3832 KB |
1_20.txt | AC | 6 ms | 3832 KB |
1_21.txt | AC | 6 ms | 3832 KB |
1_22.txt | AC | 21 ms | 4864 KB |
1_23.txt | AC | 19 ms | 4864 KB |
1_24.txt | AC | 19 ms | 4864 KB |
1_25.txt | AC | 18 ms | 4352 KB |
1_26.txt | AC | 18 ms | 4352 KB |
1_27.txt | AC | 18 ms | 4352 KB |
1_28.txt | AC | 10 ms | 4096 KB |
1_29.txt | AC | 11 ms | 4096 KB |
1_30.txt | AC | 11 ms | 4096 KB |
1_31.txt | AC | 21 ms | 4992 KB |
1_32.txt | AC | 19 ms | 4992 KB |
1_33.txt | AC | 21 ms | 4992 KB |
1_34.txt | AC | 20 ms | 4992 KB |
1_35.txt | AC | 22 ms | 5248 KB |
1_36.txt | AC | 21 ms | 5376 KB |
1_37.txt | AC | 23 ms | 5248 KB |
1_38.txt | AC | 22 ms | 5248 KB |
1_39.txt | AC | 23 ms | 5376 KB |
1_40.txt | AC | 21 ms | 5376 KB |
1_41.txt | AC | 23 ms | 5376 KB |
1_42.txt | AC | 22 ms | 5376 KB |
1_43.txt | AC | 21 ms | 5632 KB |
1_44.txt | AC | 22 ms | 5632 KB |
1_45.txt | AC | 21 ms | 5632 KB |
1_46.txt | AC | 22 ms | 5632 KB |
1_47.txt | AC | 22 ms | 6784 KB |
1_48.txt | AC | 23 ms | 6784 KB |
1_49.txt | AC | 22 ms | 6784 KB |
1_50.txt | AC | 24 ms | 6784 KB |
1_51.txt | AC | 25 ms | 10112 KB |
1_52.txt | AC | 32 ms | 10112 KB |
1_53.txt | AC | 29 ms | 10112 KB |
1_54.txt | AC | 25 ms | 10112 KB |