結果
問題 |
No.247 線形計画問題もどき
|
ユーザー |
![]() |
提出日時 | 2015-08-19 01:13:09 |
言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
結果 |
AC
|
実行時間 | 14 ms / 2,000 ms |
コード長 | 1,600 bytes |
コンパイル時間 | 1,331 ms |
コンパイル使用メモリ | 161,276 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-07-07 11:09:32 |
合計ジャッジ時間 | 1,824 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 5 |
other | AC * 23 |
ソースコード
#include <bits/stdc++.h> using namespace std; template<typename Weight, typename Value, bool strict = false> Value unboundedKnapsack(Weight maxWeight, const vector<Weight>& weight, const vector<Value>& value) { constexpr Value IMP = numeric_limits<Value>::min(); vector<Value> dp(maxWeight + Weight(1)); if (strict) fill(dp.begin() + 1, dp.end(), IMP); for (size_t i = 0; i < weight.size(); ++i) { for (int w = 0; w <= maxWeight; ++w) { if (strict && dp[w] == IMP) continue; Weight ww = Weight(w) + weight[i]; Value vv = dp[w] + value[i]; if (ww <= maxWeight && dp[ww] < vv) dp[ww] = vv; } } return dp[maxWeight]; } template<typename Weight, typename Value = long long> vector<Value> knapsackCount(Weight maxWeight, const vector<Weight>& weight) { vector<Value> dp(maxWeight + Weight(1)); dp[0] = 1; for (auto& w : weight) { for (int i = 0; i <= maxWeight; ++i) { Weight ww = Weight(i) + w; if (ww <= maxWeight) dp[ww] += dp[i]; } } return dp; } template<typename Weight> vector<bool> unboundedKnapsackFill(Weight maxWeight, const vector<Weight>& weight) { vector<bool> dp(maxWeight + Weight(1)); dp[0] = true; for (auto& w : weight) { for (int i = 0; i <= maxWeight; ++i) { Weight ww = Weight(i) + w; if (ww <= maxWeight && dp[i]) dp[ww] = true; } } return dp; } int main() { int c, n; cin >> c >> n; vector<int> w(n), v(n, -1); for (int& i : w) cin >> i; auto res = unboundedKnapsack<int, int, true>(c, w, v); cout << (res != numeric_limits<int>::min() ? -res : -1) << endl; }