oj.uz

Submission #671470

# Submission time Handle Problem Language Result Execution time Memory
671470 2022-12-13T05:46:18 Z loctildore Easter Eggs (info1cup17_eastereggs) C++14
0 / 100
 250 ms 131072 KB 
#include <bits/stdc++.h>
#include "grader.h"
#define f first
#define s second
using namespace std;
int n;
vector<int> preord;
vector<int> grph[690];
void dfs(int x, int lst=-1) {
	preord.push_back(x);
	for (int i : grph[x]) if (i!=lst) {
		dfs(i,x);
	}
}
bool test(int x) {
	vector<int> t;
	for (int i=0; i<x; i++) {
		t.push_back(preord[i]+1);
	}
	return query(t);
}
int findEgg (int N, vector<pair<int,int>> bridges) {
	n=N;
	for (auto i:bridges) {
		i.f--;i.s--;
		grph[i.f].push_back(i.s);
		grph[i.s].push_back(i.f);
	}
	dfs(0);
	int s=0,e=n;
	while(s+1!=e) {
		int m=(s+e)/2;
		(test(m)?e:s)=m;
	}
	return preord[s]+1;
}

Subtask #1
0 / 40.0

# Verdict Execution time Memory Grader output
1 Runtime error 250 ms 131072 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #2
0 / 40.0

# Verdict Execution time Memory Grader output
1 Runtime error 201 ms 131072 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 190 ms 131072 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -