Submission #514194

#	Time	Username	Problem	Language	Result	Execution time	Memory
514194		thegrimbee	Cave (IOI13_cave)	C++14	0 / 100	29 ms	460 KiB

cave

#include "cave.h"
#include <bits/stdc++.h>
using namespace std;
void exploreCave(int N) {
    int S[N], D[N], visited[N], ans[N], temp[N];
    int lo, hi, mid, cur;
	for (int i = 1; i <= N; ++i){
		lo = 0;hi = N;mid = (lo + hi)/2;
		copy(ans, ans + N, temp);
		if (tryCombination(temp) == i)cur = 0;
		else cur = 1;
		while (lo != mid){
			if (cur){
				for (int i = lo; i < mid; ++i){
					if (!visited[i])temp[i] = 1;
				} 
			}
			else{
				for (int i = mid; i < hi; ++i){
					if (!visited[i])temp[i] = 1;
				}
			}
			if (tryCombination(temp) == i)hi=mid;
			else lo = mid;
			mid = (lo + hi)/2;
		}
		visited[mid] = 1;
		ans[mid] = cur;
		S[i-1] = cur;
		D[i-1] = mid;
	} 
	answer(S, D);
}

• Subtask 1: 0 / 12
• Subtask 2: 0 / 13
• Subtask 3: 0 / 21
• Subtask 4: 0 / 30
• Subtask 5: 0 / 24