結果
| 問題 |
No.31 悪のミックスジュース
|
| コンテスト | |
| ユーザー |
はまやんはまやん
|
| 提出日時 | 2017-05-08 15:34:48 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 4 ms / 5,000 ms |
| コード長 | 5,725 bytes |
| コンパイル時間 | 1,518 ms |
| コンパイル使用メモリ | 166,988 KB |
| 実行使用メモリ | 5,376 KB |
| 最終ジャッジ日時 | 2024-09-14 15:53:15 |
| 合計ジャッジ時間 | 2,146 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 17 |
ソースコード
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#include<bits/stdc++.h>
#define rep(i,a,b) for(int i=a;i<b;i++)
using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); }
//---------------------------------------------------------------------------------------------------
typedef long long ll;
#define rrep(i,a,b) for(int i=a;i>=b;i--)
#define INF 1LL<<60
int N;
ll V, C[101], sm[101], dp[30202];
//---------------------------------------------------------------------------------------------------
void _main() {
cin >> N >> V;
rep(i, 0, N) cin >> C[i];
sm[0] = 0;
rep(i, 0, N) sm[i + 1] = sm[i] + C[i];
if (V <= N) {
cout << sm[N] << endl;
return;
}
V -= N;
ll x = 1;
rep(i, 2, N + 1) if (sm[i] * x < sm[x] * i) x = i;
rep(i, 0, min(20200LL, V) + 1) {
dp[i] = INF;
if ((V - i) % x == 0) dp[i] = (V - i) / x * sm[x];
}
rrep(i, min(20000LL, V), 0) {
rep(j, 1, N + 1) dp[i] = min(dp[i], dp[i + j] + sm[j]);
}
cout << dp[0] + sm[N] << endl;
}
はまやんはまやん