Submission #1206276

#	Time	Username	Problem	Language	Result	Execution time	Memory
1206276		aritro_	9월 (APIO24_september)	C++20	11 / 100	1 ms	328 KiB

september

#include<bits/stdc++.h>
using namespace std;

int solve(int n,int m,vector<int> f,vector<vector<int>> s){
    vector<vector<int>> child(n);
    for(int i=0;i<n;i++){
        if(f[i]!=-1) child[f[i]].push_back(i);
    }
    map<int,int> ind;
    //m=1
    int a[n-1];
    for(int i=0;i<n-1;i++) a[i]=s[0][i];
    for(int i=0;i<n-1;i++) ind[a[i]]=i;
    int ans=0;
    for(int i=0;i<n-1;i++){
        ans++;
        int node=a[i];
        int new_i=i;
        for(auto u:child[node]){
            new_i=max(new_i,ind[u]);
        }
        i=new_i;
    }
    return ans;
}

• Subtask 1: 11 / 11
• Subtask 2: 0 / 14
• Subtask 3: 0 / 5
• Subtask 4: 0 / 9
• Subtask 5: 0 / 5
• Subtask 6: 0 / 11
• Subtask 7: 0 / 9
• Subtask 8: 0 / 11
• Subtask 9: 0 / 9
• Subtask 10: 0 / 16