제출 #1206020

#제출 시각아이디문제언어결과실행 시간메모리
1206020bangan비스킷 담기 (IOI20_biscuits)C++20
0 / 100
11 ms17984 KiB
#include "biscuits.h" #include <bits/stdc++.h> using i64 = long long; long long count_tastiness(long long x, std::vector<long long> a) { for (int i = 0; i < a.size(); i++) { if (a[i] > x + 1 && i + 1 == a.size()) { a.push_back(0); } if (a[i] > x + 1) { i64 t = (a[i] - x) / 2; a[i] -= 2 * t; a[i + 1] += t; } } int k = a.size(); constexpr int c = 1000; std::vector f(k + 1, std::vector<i64>(2 * x + c + 1)); fill(f[k].begin(), f[k].end() + x, 1); for (int i = k - 1; i >= 0; i--) { for (int n = 0; n <= 2 * x + 100; n++) { int cur = n + a[i]; f[i][n] = f[i + 1][cur / 2]; if (cur >= x) { f[i][n] += f[i + 1][(cur - x) / 2]; } } } return f[0][0]; }
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