제출 #834790

#제출 시각아이디문제언어결과실행 시간메모리
834790finn__비스킷 담기 (IOI20_biscuits)C++17
0 / 100
813 ms2097152 KiB
#include <bits/stdc++.h> #include "biscuits.h" using namespace std; using L = long long; constexpr size_t N = 61; int64_t b[N], c[N], x; int64_t f(int64_t n) { size_t const j = __countl_zero(n); if (1LL << j == n && c[j] != -1) return c[j]; size_t const i = __countl_zero(n - 1); int64_t ans = f(1LL << i) + f(min(n, (b[i]) / x + 1) - (1LL << i)); if (1LL << j == n) c[j] = ans; return ans; } L count_tastiness(L x_, vector<L> a) { x = x_; memset(b, 0, sizeof b); memset(c, 255, sizeof c); c[0] = 1; partial_sum(a.begin(), a.end(), b); return f(1LL << 60); }
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