結果
問題 | No.270 next_permutation (1) |
ユーザー | kei |
提出日時 | 2018-10-01 22:10:30 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 22 ms / 2,000 ms |
コード長 | 2,669 bytes |
コンパイル時間 | 1,726 ms |
コンパイル使用メモリ | 171,500 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-10-12 09:54:11 |
合計ジャッジ時間 | 3,046 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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
5,248 KB |
testcase_01 | AC | 3 ms
5,248 KB |
testcase_02 | AC | 3 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 3 ms
5,248 KB |
testcase_06 | AC | 3 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 5 ms
5,248 KB |
testcase_10 | AC | 22 ms
5,248 KB |
testcase_11 | AC | 22 ms
5,248 KB |
testcase_12 | AC | 22 ms
5,248 KB |
testcase_13 | AC | 21 ms
5,248 KB |
testcase_14 | AC | 21 ms
5,248 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; 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/270> 問題文============================================================ ================================================================= 解説============================================================= ================================================================ */ ll My_next_permutation(vector<ll>& p,vector<ll>& B,ll sum){ if(p.size() == 1) return sum; ll i = p.size()-1; for(;;){ ll ii = i; i--; if(p[i] < p[ii]){ ll j = p.size(); while(!(p[i] < p[--j])); sum -= abs(p[i] - B[i]); sum -= abs(p[j] - B[j]); swap(p[i],p[j]); sum += abs(p[i] - B[i]); sum += abs(p[j] - B[j]); for(ll k = ii; k < p.size();k++) sum -= abs(p[k] - B[k]); reverse(p.begin()+ii, p.end()); for(ll k = ii; k < p.size();k++) sum += abs(p[k] - B[k]); return sum; } if(i == 0){ for(ll k = 0; k < p.size();k++) sum -= abs(p[k] - B[k]); reverse(p.begin(), p.end()); for(ll k = 0; k < p.size();k++) sum += abs(p[k] - B[k]); return sum; } } return sum; } ll solve(){ ll res = 0; ll N,K; cin >> N >> K; if(K == 0) return res; vector<ll> p(N); for(auto& in:p) cin >> in; vector<ll> B(N); for(auto& in:B) cin >> in; ll sum = 0; for(int i = 0; i < N;i++) sum += abs(B[i]-p[i]); res += sum; for(int i = 1; i < K;i++){ sum = My_next_permutation(p,B,sum); res += sum; } return res; } int main(void) { cin.tie(0); ios_base::sync_with_stdio(false); cout << solve() << endl; return 0; }