Submission #541247

#	Time	Username	Problem	Language	Result	Execution time	Memory
541247		Ahmad_Hasan	Birokracija (COCI18_birokracija)	C++17	60 / 100	1099 ms	13412 KiB

birokracija

#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 (stderr)

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 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10