제출 #1284581

#제출 시각아이디문제언어결과실행 시간메모리
1284581rafamiune동굴 (IOI13_cave)C++20
0 / 100
199 ms512 KiB
#include "cave.h" #include<bits/stdc++.h> using namespace std; void exploreCave(int N) { int s[N]; int d[N]; int marc[N]; for(int i = 0; i < N; i++) { s[i] = 0; d[i] = -1; marc[i] = 0; } int prev = tryCombination(s); for(int i = 0; i < N; i++) { int l = 0, r = N-1; while(l != r) { int mid = (l+r)/2; for(int i = 0; i <= mid; i++) if(!marc[i]) s[i] = 1 - s[i]; int cur = tryCombination(s); if((cur == i && prev != i) || (cur != i && prev == i)) r = mid; else l = min(r,mid + 1); prev = cur; } if(prev == i) s[l] = 1 - s[l]; d[l] = i; } answer(s,d); }
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