Submission #644676

#	Time	Username	Problem	Language	Result	Execution time	Memory
644676		a_aguilo	Split the Attractions (IOI19_split)	C++14	0 / 100	45 ms	9376 KiB

split

#include "split.h"
#include<bits/stdc++.h>

using namespace std;

vector<int> res;
vector<vector<int>> listaAdy;
int cnt, A, B, C;

void dfs(int node){
    //cout << node << endl;
    if(cnt <= A) res[node] = 1;
    else if (cnt <= A+B) res[node] = 2;
    else res[node] = 3;
    cnt++;
    for(int neighbour: listaAdy[node]){
        if(res[neighbour] == -1) dfs(neighbour);
    }
}

vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q) {
	res = vector<int>(n, -1);
	A = a;
	B = b;
	C = c;
	listaAdy = vector<vector<int>> (n);
	for(int i = 0; i < p.size(); ++i){
        listaAdy[p[i]].push_back(q[i]);
        listaAdy[q[i]].push_back(p[i]);
	}
	int start = -1;
	for(int i = 0; i < n; ++i){
        if(listaAdy[i].size() <= 1){
            start = i;
            break;
        }
	}
	cnt = 1;
	dfs(start);
	//cout << "a "<< endl;
	return res;
}

Compilation message (stderr)

split.cpp: In function 'std::vector<int> find_split(int, int, int, int, std::vector<int>, std::vector<int>)':
split.cpp:27:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |  for(int i = 0; i < p.size(); ++i){
      |                 ~~^~~~~~~~~~

• Subtask 1: 0 / 7
• Subtask 2: 0 / 11
• Subtask 3: 0 / 22
• Subtask 4: 0 / 24
• Subtask 5: 0 / 36