Submission #6507446

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Source Code Expand

#include <iostream>
#include <vector>
#include <array>
using namespace std;

int main()
{
    int num;
    cin >> num;
    int box[21];
    for(int i=2;i<=num;i++){
        cin >> box[i];
    }
    box[1]=0;

    array<vector<int>,21> salary;
    array<int,21> ans;

    for(int i=num;i>=1;i--){
        if(salary[i].size()==0){
            ans[i] = 1;
            salary[box[i]].push_back(1);
        }else{
            int max_s = 0;
            int min_s = 10000000;
            for(int j=0;j<salary[i].size();j++){
                if(max_s<salary[i][j]){
                    max_s = salary[i][j];
                }
                if(min_s>salary[i][j]){
                    min_s = salary[i][j];
                }
            }
            ans[i]=max_s + min_s + 1;
            salary[box[i]].push_back(ans[i]);
        }
    }

    cout << ans[1] << endl;

    return 0;
}

Submission Info

Judge Result