Submission #294961

#	Time	Username	Problem	Language	Result	Execution time	Memory
294961		Ruba_K	Split the Attractions (IOI19_split)	C++14	7 / 100	118 ms	13816 KiB

split

#include "split.h"
#include<bits/stdc++.h>
using namespace std;
const int N = 1e5 + 5 ;

vector<int>adj[N];
vector<int> res ;
map<int , int > foreach;
int vis[N] , degree[N];
int arr[5];
void dfs(int u , int id , int sz ){
    if(sz == arr[id])id++ , sz = 0 ;

    vis[u] ++ ;
    res[u] = id ;
    for(auto f : adj[u]){
        if(vis[f])
            continue ;
        dfs(f , id , sz + 1);

    }

}
vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q) {
	res.resize(n);
	arr[1] = a , arr[2] = b , arr[3] = c ;
	int m = p.size();
	for(int i = 0 ; i < m ; i ++){
        adj[p[i]].push_back(q[i]);
        adj[q[i]].push_back(p[i]);
        degree[p[i]]++ , degree[q[i]]++;

	}
	int mn = 3 , start ;

	for(int i = 0 ; i < m ; i ++){
        if(degree[i] < mn)
            mn = degree[i] , start = i ;
	}
	dfs(start , 1 , 0);
	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:40:5: warning: 'start' may be used uninitialized in this function [-Wmaybe-uninitialized]
   40 |  dfs(start , 1 , 0);
      |  ~~~^~~~~~~~~~~~~~~

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