Submission #1518540
Source Code Expand
#include<bits/stdc++.h> using namespace std; #define ll long long int #define pb push_back #define mp make_pair int dfs(int no,int d,int k); vector<int> ed[100001]; int visit[100001]; int ans=0; int main(){ int i,j; int n,k; cin>>n>>k; int a[n+1]; for(i=1;i<=n;i++) {cin>>a[i]; if(i==1){ if(a[1]!=1) {a[1]=1; ans++; } continue; } else ed[a[i]].pb(i); } if(k<=1e5){ dfs(1,0,k); } cout<<ans<<endl; return 0; } int dfs(int no,int p,int k){ int i=0; int res=0; for(i=0;i<ed[no].size();i++){ res=max(res,dfs(ed[no][i],no,k)+1); } if(p!=1&&p!=0&&res==(k-1)) { ans++; res=-1; } return res; }
Submission Info
Submission Time | |
---|---|
Task | D - Teleporter |
User | adam1007 |
Language | C++14 (GCC 5.4.1) |
Score | 800 |
Code Size | 694 Byte |
Status | AC |
Exec Time | 58 ms |
Memory | 13952 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 | 2 ms | 2560 KB |
0_01.txt | AC | 2 ms | 2560 KB |
0_02.txt | AC | 2 ms | 2560 KB |
1_00.txt | AC | 2 ms | 2560 KB |
1_01.txt | AC | 2 ms | 2560 KB |
1_02.txt | AC | 56 ms | 13952 KB |
1_03.txt | AC | 55 ms | 13952 KB |
1_04.txt | AC | 54 ms | 13952 KB |
1_05.txt | AC | 57 ms | 13952 KB |
1_06.txt | AC | 54 ms | 13952 KB |
1_07.txt | AC | 55 ms | 13952 KB |
1_08.txt | AC | 56 ms | 13952 KB |
1_09.txt | AC | 58 ms | 13952 KB |
1_10.txt | AC | 54 ms | 9984 KB |
1_11.txt | AC | 56 ms | 9984 KB |
1_12.txt | AC | 54 ms | 9984 KB |
1_13.txt | AC | 53 ms | 6144 KB |
1_14.txt | AC | 51 ms | 6144 KB |
1_15.txt | AC | 50 ms | 6144 KB |
1_16.txt | AC | 34 ms | 4732 KB |
1_17.txt | AC | 35 ms | 4732 KB |
1_18.txt | AC | 34 ms | 4732 KB |
1_19.txt | AC | 21 ms | 3452 KB |
1_20.txt | AC | 21 ms | 3452 KB |
1_21.txt | AC | 21 ms | 3452 KB |
1_22.txt | AC | 47 ms | 4480 KB |
1_23.txt | AC | 47 ms | 4480 KB |
1_24.txt | AC | 48 ms | 4608 KB |
1_25.txt | AC | 47 ms | 3968 KB |
1_26.txt | AC | 47 ms | 3968 KB |
1_27.txt | AC | 49 ms | 3968 KB |
1_28.txt | AC | 39 ms | 3712 KB |
1_29.txt | AC | 40 ms | 3712 KB |
1_30.txt | AC | 39 ms | 3712 KB |
1_31.txt | AC | 50 ms | 4608 KB |
1_32.txt | AC | 49 ms | 4608 KB |
1_33.txt | AC | 50 ms | 4608 KB |
1_34.txt | AC | 46 ms | 4608 KB |
1_35.txt | AC | 51 ms | 4992 KB |
1_36.txt | AC | 49 ms | 4992 KB |
1_37.txt | AC | 50 ms | 4992 KB |
1_38.txt | AC | 45 ms | 4864 KB |
1_39.txt | AC | 51 ms | 4992 KB |
1_40.txt | AC | 49 ms | 4992 KB |
1_41.txt | AC | 52 ms | 4992 KB |
1_42.txt | AC | 45 ms | 4992 KB |
1_43.txt | AC | 50 ms | 5376 KB |
1_44.txt | AC | 50 ms | 5376 KB |
1_45.txt | AC | 52 ms | 5376 KB |
1_46.txt | AC | 45 ms | 4992 KB |
1_47.txt | AC | 56 ms | 7296 KB |
1_48.txt | AC | 53 ms | 7296 KB |
1_49.txt | AC | 51 ms | 7296 KB |
1_50.txt | AC | 45 ms | 5120 KB |
1_51.txt | AC | 54 ms | 12416 KB |
1_52.txt | AC | 54 ms | 12416 KB |
1_53.txt | AC | 54 ms | 12416 KB |
1_54.txt | AC | 47 ms | 5760 KB |