Submission #655096

#	Time	Username	Problem	Language	Result	Execution time	Memory
655096		angelo_torres	Cave (IOI13_cave)	C++17	0 / 100	185 ms	420 KiB

cave

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

using namespace std;

int S[5005],D[5005];

void exploreCave(int N) {
    for(int i = 0; i < N; ++i) S[i] = 0;
    for(int i = 0; i < N; ++i){
        bool fl = (i == tryCombination(S));
        int l = 0, r = N-1;
        while(r != l){
            int md = (l+r)>>1;
            int kl = l, kr = md;
            for(int j = l; j <= md; ++j) S[j] = 1-S[j];
            bool gl = (i == tryCombination(S));
            if(fl == gl) l = md+1;
            else r = md;
            for(int j = kl; j <= kr; ++j) S[j] = 1-S[j];
        }
        if(fl) S[l] = 1-S[l];
        D[l] = i;
    }
    answer(S,D);
}

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