제출 #994770

#제출 시각아이디문제언어결과실행 시간메모리
994770stdfloat동굴 (IOI13_cave)C++17
13 / 100
184 ms524 KiB
#include <bits/stdc++.h> #include "cave.h" using namespace std; void exploreCave(int n) { int a[n], b[n]; for (int i = 0; i < n; i++) a[i] = b[i] = 0; for (int z = 0; z < n; z++) { int x = tryCombination(a); if (x == -1) break; int l = 0, r = n - 1; while (l <= r) { int md = (l + r) >> 1; int v[n]; for (int i = 0; i < n; i++) v[i] = (a[i] || (md < i && i <= r)); int y = tryCombination(v); if (y == -1 || x < y) l = md + 1; else { if (r == md) break; r = md; } } a[l] = 1; b[l] = x; } for (int i = 0; i < n; i++) { if (a[i]) continue; a[i] = 1; b[i] = tryCombination(a); a[i] = 0; } answer(a, b); }
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