제출 #789491

#제출 시각아이디문제언어결과실행 시간메모리
789491borisAngelov비스킷 담기 (IOI20_biscuits)C++17
0 / 100
1088 ms38656 KiB
#include "biscuits.h" #include <bits/stdc++.h> using namespace std; const int maxn = 65; int n; long long x; long long a[maxn]; map<pair<int, long long>, long long> dp; long long f(int pos, long long carry) { if (pos == n) { return carry / x + 1; } if (dp.find(make_pair(pos, carry)) != dp.end()) { return dp[make_pair(pos, carry)]; } carry += a[pos]; long long ans = f(pos + 1, carry / 2); if (carry >= x) { ans += f(pos + 1, (carry - x) / 2); } return dp[make_pair(pos, carry)] = ans; } long long count_tastiness(long long X, vector<long long> arr) { dp.clear(); n = arr.size(); x = X; for (int i = 0; i < n; ++i) { a[i] = arr[i]; } return f(0, 0); } /* 1 3 3 5 2 1 1 3 2 2 1 2 2 3 3 5 2 1 3 2 2 1 2 */
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