結果
| 問題 |
No.27 板の準備
|
| コンテスト | |
| ユーザー |
not_522
|
| 提出日時 | 2015-08-19 15:42:15 |
| 言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
| 結果 |
AC
|
| 実行時間 | 3 ms / 5,000 ms |
| コード長 | 2,255 bytes |
| コンパイル時間 | 3,768 ms |
| コンパイル使用メモリ | 163,328 KB |
| 実行使用メモリ | 5,248 KB |
| 最終ジャッジ日時 | 2024-12-26 11:49:02 |
| 合計ジャッジ時間 | 2,527 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 18 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
template<typename Weight, typename Value, bool strict = false> Value unboundedKnapsack(const vector<Weight>& maxWeight, const vector<Weight>& weight, const vector<Value>& value) {
constexpr Value IMP = numeric_limits<Value>::min() + 1;
const Weight mx = *max_element(maxWeight.begin(), maxWeight.end());
vector<Value> dp(mx + 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 <= mx; ++w) {
if (strict && dp[w] == IMP) continue;
Weight ww = Weight(w) + weight[i];
Value vv = dp[w] + value[i];
if (ww <= mx && dp[ww] < vv) dp[ww] = vv;
}
}
Value res = 0;
for (const auto& w : maxWeight) {
if (dp[w] == IMP) return IMP;
res += dp[w];
}
return res;
}
template<typename Weight, typename Value, bool strict = false> Value unboundedKnapsack(Weight maxWeight, const vector<Weight>& weight, const vector<Value>& value) {
return unboundedKnapsack({maxWeight}, weight, value);
}
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() {
vector<int> v(4);
for (int& i : v) cin >> i;
sort(v.begin(), v.end());
if (v.back() <= 3) {
cout << 4 << endl;
return 0;
}
vector<int> a(3), b(3, -1);
int res = numeric_limits<int>::max();
for (a[0] = 1; a[0] <= v.back(); ++a[0]) {
for (a[1] = a[0] + 1; a[1] <= v.back(); ++a[1]) {
for (a[2] = a[1] + 1; a[2] <= v.back(); ++a[2]) {
res = min(res, -unboundedKnapsack<int, int, true>(v, a, b));
}
}
}
cout << res << endl;
}
not_522