이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include<bits/stdc++.h>
#include "cave.h"
using namespace std;
vector<int> posLevierOpt, corresp;
bool test(int deb, int fin, int porteAOuvrir, int N)
{
int tabTest[N];
for(int i=0; i<N; i++)
{
if(posLevierOpt[i]!= -1)
tabTest[i] = posLevierOpt[i];
else if(i>= deb && i <= fin)
tabTest[i] = 1;
else
tabTest[i] = 0;
}
int lastDoorOpen = tryCombination(tabTest);
if(lastDoorOpen == -1 || lastDoorOpen > porteAOuvrir)
return true;
return false;
}
void exploreCave(int N)
{
posLevierOpt.assign(N, -1);
corresp.assign(N, -1);
for(int iDoor = 0; iDoor< N; iDoor++)
{
bool stateDoorInit = test(0, N-1, iDoor, N);
int deb = 0;
int fin = N-1;
while (deb < fin)
{
int mid = (deb + fin)/2;
if(test(deb, mid, iDoor, N)!=stateDoorInit)
fin = mid;
else
deb = mid +1;
}
if(stateDoorInit)
posLevierOpt[deb] = 0;
else
posLevierOpt[deb] = 1;
corresp[deb] = iDoor;
}
int answer1[N], answer2[N];
for(int i=0; i< N;i++)
answer1[i] = posLevierOpt[i];
for(int i=0; i< N;i++)
answer2[i] = corresp[i];
answer(answer1, answer2);
}
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