oj.uz

답안 #541247

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
541247 2022-03-22T20:20:26 Z Ahmad_Hasan Birokracija (COCI18_birokracija) C++17
60 / 100
 1000 ms 13412 KB 
#include <bits/stdc++.h>

using namespace std;

vector<vector<int>>adj  ;
int n;
vector<int>can;
vector<int>ans;
int o=0;
int dfs(int m=0,int p=-1){
    /**
    if(vis[m]==1||can[m]==1){
        return 0;
    }*/

    /**if(adj[m].size()==1&&m!=0){///leaf node
        can[m]=1;
        return 1;

    }*/


    int mn=1e6;
    for(int i=0;i<adj[m].size();i++){
        int nd=adj[m][i];
        if(nd!=p&&!can[nd]){
            mn=nd;
            break;
        }
    }

    if(mn==1e6){
        can[m]=1;
        ans[m]+=1;
        return 1;

    }

    int ret=dfs(mn,m);
    ret++;
    ans[m]+=ret;
    return ret;
}
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);      cout.tie(0);

    cin>>n;

    adj=vector<vector<int> >(n);
    can=ans=vector<int>(n);

    for(int i=2;i<=n;i++){
        int u;
        cin>>u;
        adj[u-1].push_back(i-1);
        adj[i-1].push_back(u-1);
    }
    for(int i=0;i<n;i++){
        dfs();
    }
    for(int i=0;i<n;i++){
        cout<<ans[i]<<' ';
    }
    cout<<'\n';
    return 0;
}

Compilation message

birokracija.cpp: In function 'int dfs(int, int)':
birokracija.cpp:24:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |     for(int i=0;i<adj[m].size();i++){
      |                 ~^~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct

Subtask #6
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 1620 KB Output is correct
2 Correct 629 ms 1908 KB Output is correct

Subtask #7
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 30 ms 4948 KB Output is correct
2 Execution timed out 1086 ms 4844 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 129 ms 13380 KB Output is correct
2 Execution timed out 1099 ms 13064 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 123 ms 13412 KB Output is correct
2 Execution timed out 1094 ms 13044 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 126 ms 13136 KB Output is correct
2 Execution timed out 1090 ms 12840 KB Time limit exceeded
3 Halted 0 ms 0 KB -