Submission #377801

#	Time	Username	Problem	Language	Result	Execution time	Memory
377801		jlallas384	Cave (IOI13_cave)	C++14	25 / 100	18 ms	512 KiB

cave

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

using namespace std;

// binary search
// flip all left if first open door doesnt change
void exploreCave(int N){
    int ans[N] = {};
    if(tryCombination(ans) == -1){
        int arr[N];
        for(int i = 0; i < N; i++){
            ans[i] ^= 1;
            arr[i] = tryCombination(ans);
            ans[i] ^= 1;
        }
        answer(ans,arr);
    }
    while(1){
        int resp = tryCombination(ans);
        if(resp == -1) break;
        ans[resp] ^= 1;
    }
    int arr[N];
    for(int i = 0; i < N; i++){
        arr[i] = i;
    }
    answer(ans,arr);
}

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