Submission #1008808

#	Time	Username	Problem	Language	Result	Execution time	Memory
1008808		aaaaaarroz	Beech Tree (IOI23_beechtree)	C++17	0 / 100	2039 ms	20432 KiB

beechtree

#include <bits/stdc++.h>
using namespace std;
vector<int>padre;
bool menor_padre(int i, int j){
    return padre[i]<padre[j];
}
vector<int> beechtree(int n, int m, vector<int>P, vector<int>C){
    vector<vector<int>>graph(n,vector<int>());
    padre=P;
    for(int i=1;i<n;i++){
        graph[P[i]].push_back(i);
    }
    vector<int>ans(n,0);
    for(int i=0;i<n;i++){
        vector<int>sub;
        queue<int>cola;
        cola.push(i);
        while(!cola.empty()){
            int nodo=cola.front(); 
            cola.pop();
            sub.push_back(nodo);
            for(int vecino:graph[nodo]){
                cola.push(vecino);
            } 
        }
        if(sub.size()==1){
			ans[i]=1;
			continue;
		}
        sort(sub.begin()+1,sub.end(),menor_padre);
        bool bien=true;
        map<int,int>repeticiones;
        for(int j=1;j<sub.size();j++){
                if(repeticiones.find(C[sub[j]])==repeticiones.end()){
                repeticiones[C[sub[j]]]=0;
                }
            if(sub[repeticiones[C[sub[j]]]]!=P[sub[j]]){
                bien=false;
                break;
            }
            repeticiones[C[sub[j]]]++;
        }
        if(bien){
            ans[i]=1;
        }
    }
    return {ans};
}

Compilation message (stderr)

beechtree.cpp: In function 'std::vector<int> beechtree(int, int, std::vector<int>, std::vector<int>)':
beechtree.cpp:33:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |         for(int j=1;j<sub.size();j++){
      |                     ~^~~~~~~~~~~

• Subtask 0: 0 / 0
• Subtask 1: 0 / 9
• Subtask 2: 0 / 5
• Subtask 3: 0 / 9
• Subtask 4: 0 / 8
• Subtask 5: 0 / 14
• Subtask 6: 0 / 14
• Subtask 7: 0 / 12
• Subtask 8: 0 / 17
• Subtask 9: 0 / 12