| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1347605 | kim | 동굴 (IOI13_cave) | C++20 | 806 ms | 516 KiB |
#include "cave.h"
#include<bits/stdc++.h>
using namespace std;
void exploreCave(int N){
int S[N],S2[N],D[N];
int K = 31-__builtin_clz(N);
fill(S2,S2+N,-1);
for(int i=0;i<N;++i){
int id = 0;
bool b = 1;
for(int j=0;j<N;++j) S[j] = (S2[j]==-1 ? !b : S2[j]);
if(tryCombination(S) != i) b = !b;
for(int j=0;j<=K;++j){
for(int k=0;k<N;++k) S[k] = (S2[k]==-1 ? (bool(k&(1<<j)) ? b : !b) : S2[k]);
if(tryCombination(S) != i) id |= 1<<j;
}
S2[id] = b;
D[id] = i;
}
answer(S2,D);
}
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