結果
問題 | No.332 数列をプレゼントに |
ユーザー | kei |
提出日時 | 2018-10-18 14:48:56 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 89 ms / 2,000 ms |
コード長 | 3,158 bytes |
コンパイル時間 | 1,985 ms |
コンパイル使用メモリ | 184,928 KB |
実行使用メモリ | 29,624 KB |
最終ジャッジ日時 | 2024-11-06 08:35:30 |
合計ジャッジ時間 | 6,920 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,820 KB |
testcase_02 | AC | 2 ms
6,816 KB |
testcase_03 | AC | 2 ms
6,816 KB |
testcase_04 | AC | 2 ms
6,820 KB |
testcase_05 | AC | 72 ms
11,472 KB |
testcase_06 | AC | 72 ms
11,492 KB |
testcase_07 | AC | 73 ms
11,380 KB |
testcase_08 | AC | 73 ms
11,536 KB |
testcase_09 | AC | 3 ms
6,820 KB |
testcase_10 | AC | 73 ms
11,388 KB |
testcase_11 | AC | 72 ms
11,336 KB |
testcase_12 | AC | 71 ms
11,456 KB |
testcase_13 | AC | 72 ms
11,336 KB |
testcase_14 | AC | 72 ms
11,484 KB |
testcase_15 | AC | 74 ms
14,140 KB |
testcase_16 | AC | 72 ms
11,408 KB |
testcase_17 | AC | 72 ms
11,484 KB |
testcase_18 | AC | 89 ms
29,624 KB |
testcase_19 | AC | 73 ms
11,452 KB |
testcase_20 | AC | 75 ms
15,444 KB |
testcase_21 | AC | 73 ms
13,096 KB |
testcase_22 | AC | 75 ms
14,212 KB |
testcase_23 | AC | 73 ms
11,396 KB |
testcase_24 | AC | 73 ms
11,412 KB |
testcase_25 | AC | 73 ms
11,340 KB |
testcase_26 | AC | 72 ms
11,328 KB |
testcase_27 | AC | 71 ms
11,484 KB |
testcase_28 | AC | 73 ms
11,332 KB |
testcase_29 | AC | 73 ms
11,276 KB |
testcase_30 | AC | 72 ms
11,376 KB |
testcase_31 | AC | 73 ms
11,460 KB |
testcase_32 | AC | 73 ms
11,340 KB |
testcase_33 | AC | 74 ms
11,344 KB |
testcase_34 | AC | 74 ms
11,472 KB |
testcase_35 | AC | 74 ms
11,324 KB |
testcase_36 | AC | 2 ms
6,820 KB |
testcase_37 | AC | 75 ms
11,412 KB |
testcase_38 | AC | 74 ms
11,448 KB |
testcase_39 | AC | 72 ms
11,272 KB |
testcase_40 | AC | 74 ms
11,536 KB |
testcase_41 | AC | 73 ms
11,572 KB |
testcase_42 | AC | 74 ms
11,408 KB |
testcase_43 | AC | 74 ms
11,652 KB |
testcase_44 | AC | 71 ms
11,512 KB |
testcase_45 | AC | 87 ms
24,392 KB |
testcase_46 | AC | 73 ms
11,380 KB |
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; inline ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; } inline ll lcm(ll a, ll b) { return a / gcd(a, b)*b; } 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/332> 問題文============================================================ ================================================================= 解説============================================================= ================================================================ */ string solve(){ string res; ll N,X; cin >> N >> X; vector<pll> A(N); for(int i = 0; i < N;i++){ cin >> A[i].first; A[i].second = i; } sort(A.rbegin(),A.rend()); int K = min(20,(int)A.size()); vector<pll> C(A.begin(),A.begin()+K),D(A.begin()+K,A.end()); ll Csz = C.size(); vector<ll> Cdp(1<<Csz); for(int i = 0; i < (1<<Csz); i++){ for(int j = 0; j < Csz;j++){ if((i>>j)&1){ Cdp[i] += C[j].first; } } } ll Dsz = D.size(); ll Dsum = accumulate(D.begin(),D.end(),0LL,[](ll sum,const pll& p){ return sum + p.first; }); vector<vector<int>> Ddp(Dsz+1,vector<int>(Dsum+1)); Ddp[0][0] = true; for(int i = 0; i < Dsz;i++){ for(int j = 0; j <= Dsum;j++){ if(Ddp[i][j]){ Ddp[i+1][j] |= Ddp[i][j]; Ddp[i+1][D[i].first+j] |= Ddp[i][j]; } } } vector<ll> ans; for(int b = 0; b < (1<<Csz);b++){ if(Cdp[b] > X) continue; if(X-Cdp[b] > Dsum) continue; if(Ddp[Dsz][X-Cdp[b]]){ for(int bb = 0; bb < Csz; bb++){ if((b>>bb)&1) ans.push_back(C[bb].second); } ll now = Dsz; ll nowv = X - Cdp[b]; while(now--){ if(Ddp[now][nowv]) continue; if(Ddp[now][nowv-D[now].first]){ nowv -= D[now].first; ans.push_back(D[now].second); } } break; } } if(ans.empty()) return "No"; res = string(N,'x'); for(auto v:ans) res[v] = 'o'; return res; } int main(void) { cin.tie(0); ios_base::sync_with_stdio(false); cout << solve() << endl; return 0; }