Submission #288970

#	Time	Username	Problem	Language	Result	Execution time	Memory
288970		mohammad	Split the Attractions (IOI19_split)	C++14	11 / 100	134 ms	15732 KiB

split

#include "split.h"
#include<bits/stdc++.h>
using namespace std;
 
#define endl "\n"
// #define int long long

typedef long long ll ;
const ll ooo = 1e14 ;
const ll oo = 2e9 ;
const double PI = acos(-1) ;
const ll M = 1e9 + 7  ;
const int N = 10000010  ;

int use[200010];
vector<int> v[200010] , seq;

void dfs(int u ){
	seq.push_back(u);
	use[u] = 1;
	for(auto x : v[u])
		if(!use[x]){
			dfs(x);
		}
}

vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q) {
	vector<int> res;
	int m = p.size();
	for(int i = 0 ;  i < m ; ++i) {
		v[p[i]].push_back(q[i]);
		v[q[i]].push_back(p[i]);
	}
	dfs(0);
	if(b > c){
		res = vector<int>(n , 2);
		for(int i = 0 ; i < c ; ++i) res[seq[i]] = 3;
		for(int i = 0 ; i < n ; ++i) if(res[i] == 2){
			res[i] = 1;
			break;
		}
	}else{
		res = vector<int>(n , 3);
		// cout << seq[0] 
		for(int i = 0 ; i < b ; ++i) res[seq[i]] = 2;
		for(int i = 0 ; i < n ; ++i) if(res[i] == 3){
			res[i] = 1;
			break;
		}
	}
	return res;
}

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