# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
654951 | sandry24 | Cave (IOI13_cave) | C++17 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#include "cave.h"
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> pi;
#define pb push_back
#define mp make_pair
#define f first
#define s second
void exploreCave(int N){
vi s(N), d(N);
vector<bool> checked(N);
for(int i = 0; i < N; i++){
int l = 0, r = N-1;
int f_ans = try_combination(s);
while(l != r){
vi temp = s;
int mid = (l+r)/2;
for(int j = l; j <= mid; j++){
if(checked[j])
continue;
temp[j] = !s[j];
}
int ans = try_combination(temp);
if(ans != f_ans)
r = mid;
else
l = mid+1;
}
d[i] = l;
checked[l] = 1;
if(f_ans == i)
s[l] == !s[l];
}
answer(s, d);
}