Submission #1032297

#TimeUsernameProblemLanguageResultExecution timeMemory
1032297mdn2002Packing Biscuits (IOI20_biscuits)C++17
42 / 100
1035 ms40556 KiB
/* Mayoeba Yabureru */ #include<bits/stdc++.h> using namespace std; long long count_tastiness(long long x, vector<long long> a) { while (a.size() != 200) a.push_back(0); a.insert(a.begin(), 0); vector<vector<pair<long long, long long>>> dp(202); dp[0].push_back({0, 1}); long long ans = 0; for (int i = 1; i <= 150; i ++) { if (i > 60 && dp[i - 1].size() == 0 && dp[i - 1][0].first == 0) break; map<long long, long long> dpp; for (auto [aa, y] : dp[i - 1]) { dpp[aa / 2 + a[i]] += y; if (aa / 2 + a[i] >= x) dpp[aa / 2 + a[i] - x] += y; } for (auto x : dpp) dp[i].push_back(x); ans = dp[i][0].second; } return ans; }
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