| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1348879 | argsx | 동굴 (IOI13_cave) | C++20 | 194 ms | 528 KiB |
#include "cave.h"
#include<bits/stdc++.h>
using namespace std;
int s[5100];
int s2[5100];
int d[5100];
int lg;
void exploreCave(int N) {
for(int i=0;i<N;i++){
s2[i]=-1;
}
lg=ceil(log2(N+1));
for(int i=0;i<N;i++){
int id=0;
bool b=1;
for(int j=0;j<N;j++){
if(s2[j]==-1)s[j]=!b;
else s[j]=s2[j];
}
if(tryCombination(s)!=i)b=!b;
for(int k=0;k<=lg;k++){
for(int j=0;j<N;j++){
if(s2[j]!=-1)s[j]=s2[j];
else{
if(j&(1<<k))s[j]=b;
else s[j]=!b;
}
}
if(tryCombination(s)!=i)id|=(1<<k);
}
d[id]=i;
s2[id]=b;
}
answer(s2,d);
return;
}
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