oj.uz

답안 #42856

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
42856 2018-03-05T15:16:54 Z iletavcioski Birokracija (COCI18_birokracija) C++14
100 / 100
 101 ms 28864 KB 
#include <iostream>
#include <vector>
#include <algorithm>
#include <iomanip>
#include <cmath>
using namespace std;
typedef long long ll;
vector<vector<int> > v;
ll dp[200002];
ll dp_1[200002];
void dfs(int x)
{
    ll brojac=1;
    for(int i=0;i<v[x].size();i++)
    {
        dfs(v[x][i]);
        dp_1[x]+=dp_1[v[x][i]];
        dp[x]+=dp[v[x][i]];
    }
    dp_1[x]++;
    dp[x]+=dp_1[x];
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie();
    cout.tie();
    int n;
    cin>>n;
    vector<int> vec;
    v.insert(v.begin(),n+1,vec);
    for(int i=1;i<n;i++)
    {
        int a;
        cin>>a;
        a--;
        v[a].push_back(i);
    }
    for(int i=0;i<n;i++)
        sort(v[i].begin(),v[i].end());
    dfs(0);
    for(int i=0;i<n;i++)
    {
        if(i)
            cout<<" ";
        cout<<dp[i];
    }
    cout<<endl;
    return 0;
}

Compilation message

birokracija.cpp: In function 'void dfs(int)':
birokracija.cpp:15:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<v[x].size();i++)
                  ^
birokracija.cpp:14:8: warning: unused variable 'brojac' [-Wunused-variable]
     ll brojac=1;
        ^

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 356 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 464 KB Output is correct
2 Correct 2 ms 596 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 596 KB Output is correct
2 Correct 2 ms 652 KB Output is correct

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 652 KB Output is correct
2 Correct 2 ms 764 KB Output is correct

Subtask #6
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 1928 KB Output is correct
2 Correct 10 ms 2652 KB Output is correct

Subtask #7
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 27 ms 5444 KB Output is correct
2 Correct 25 ms 6076 KB Output is correct
3 Correct 26 ms 7300 KB Output is correct

Subtask #8
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 93 ms 14784 KB Output is correct
2 Correct 77 ms 17952 KB Output is correct
3 Correct 82 ms 28044 KB Output is correct

Subtask #9
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 87 ms 28044 KB Output is correct
2 Correct 77 ms 28044 KB Output is correct
3 Correct 72 ms 28044 KB Output is correct

Subtask #10
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 101 ms 28044 KB Output is correct
2 Correct 73 ms 28044 KB Output is correct
3 Correct 69 ms 28864 KB Output is correct