結果
| 問題 | No.288 貯金箱の仕事 |
| コンテスト | |
| ユーザー |
kei
|
| 提出日時 | 2018-10-05 23:31:57 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,837 bytes |
| コンパイル時間 | 1,613 ms |
| コンパイル使用メモリ | 174,960 KB |
| 実行使用メモリ | 11,136 KB |
| 最終ジャッジ日時 | 2024-10-12 13:26:47 |
| 合計ジャッジ時間 | 3,671 ms |
|
ジャッジサーバーID (参考情報) |
judge / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 5 WA * 48 |
ソースコード
#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int INF = 1e9;
const ll LINF = 1e18;
template<class S,class T> ostream& operator << (ostream& out,const pair<S,T>& o){ out << "(" << o.first << "," << o.second << ")"; return out; }
template<class T> ostream& operator << (ostream& out,const vector<T> V){ for(int i = 0; i < V.size(); i++){ out << V[i]; if(i!=V.size()-1) out << " ";} return out; }
template<class T> ostream& operator << (ostream& out,const vector<vector<T> > Mat){ for(int i = 0; i < Mat.size(); i++) { if(i != 0) out << endl; out << Mat[i];} return out; }
template<class S,class T> ostream& operator << (ostream& out,const map<S,T> mp){ out << "{ "; for(auto it = mp.begin(); it != mp.end(); it++){ out << it->first << ":" << it->second; if(mp.size()-1 != distance(mp.begin(),it)) out << ", "; } out << " }"; return out; }
/*
<url:https://yukicoder.me/problems/no/288>
問題文============================================================
=================================================================
解説=============================================================
================================================================
*/
ll solve(){
ll res = LINF;
ll N,M; cin >> N >> M;
vector<ll> A(N),K(N);
for(auto& in:A) cin >> in;
for(auto& in:K) cin >> in;
reverse(A.begin(),A.end());
reverse(K.begin(),K.end());
ll base = 1000;
for(int i = 0; i < N;i++){
if(M<=base)break;
ll C = min(K[i],(M-base)/A[i]);
M -= A[i]*C;
K[i] -= C;
}
reverse(A.begin(),A.end());
reverse(K.begin(),K.end());
vector<ll> min_ret(base,LINF);
min_ret[0] = 0;
for(int i = 0; i < base;i++){
if(min_ret[i] == LINF) continue;
for(int j = 0; j < N;j++){
if(i+A[j]<base){
min_ret[i+A[j]] = min(min_ret[i+A[j]],min_ret[i]+1);
}
}
}
ll now = accumulate(K.begin(),K.end(),0LL);
vector<vector<ll>> max_send(N+1,vector<ll>(2*base,-1));
max_send[0][0] = 0;
for(int i = 0; i < N;i++){
for(int j = 0; j < 2*base;j++){
if(max_send[i][j]==-1)continue;
for(int k = 0; k <= K[i]; k++){
if(j+A[i]*k>=2*base) break;
max_send[i+1][j+A[i]*k] = max(max_send[i+1][j+A[i]*k],max_send[i][j]+k);
}
}
}
for(ll m = M; m < base; m++){
if(max_send[N][m]==-1) continue;
if(min_ret[m-M]==LINF) continue;
ll c1 = max_send[N][m];
ll c2 = min_ret[m-M];
res = min(res,now-c1+c2);
}
if(res == LINF) res = -1;
return res;
}
int main(void) {
cin.tie(0); ios_base::sync_with_stdio(false);
cout << solve() << endl;
return 0;
}
kei