結果
問題 | No.838 Noelちゃんと星々3 |
ユーザー | kurarrr |
提出日時 | 2019-07-19 00:22:41 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 82 ms / 2,000 ms |
コード長 | 3,019 bytes |
コンパイル時間 | 2,454 ms |
コンパイル使用メモリ | 212,884 KB |
実行使用メモリ | 24,448 KB |
最終ジャッジ日時 | 2024-06-07 16:07:18 |
合計ジャッジ時間 | 3,489 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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 | 81 ms
24,300 KB |
testcase_01 | AC | 82 ms
24,320 KB |
testcase_02 | AC | 81 ms
24,448 KB |
testcase_03 | AC | 81 ms
24,336 KB |
testcase_04 | AC | 81 ms
24,320 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 1 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 1 ms
5,376 KB |
testcase_16 | AC | 1 ms
5,376 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 1 ms
5,376 KB |
testcase_20 | AC | 2 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 1 ms
5,376 KB |
testcase_23 | AC | 2 ms
5,376 KB |
testcase_24 | AC | 2 ms
5,376 KB |
testcase_25 | AC | 1 ms
5,376 KB |
testcase_26 | AC | 2 ms
5,376 KB |
testcase_27 | AC | 1 ms
5,376 KB |
testcase_28 | AC | 2 ms
5,376 KB |
ソースコード
#ifdef DEBUG_IS_VALID #define DEB 1 #define _LIBCPP_DEBUG 0 #else #define DEB 0 #define NDEBUG #endif #include <bits/stdc++.h> using namespace std; #define ALL(g) (g).begin(),(g).end() #define REP(i, x, n) for(int i = x; i < n; i++) #define rep(i,n) REP(i,0,n) #define RREP(i, x, n) for(int i = x; i >= n; i--) #define rrep(i, n) RREP(i,n,0) #define pb push_back #define fi first #define se second #pragma GCC optimize ("-O3") using namespace std; #define DUMPOUT cout #define dump(...) if(DEB) DUMPOUT<<" "<<#__VA_ARGS__<<" :["<<__LINE__<<":"<<__FUNCTION__<<"]"<<endl<<" "; if(DEB) dump_func(__VA_ARGS__) template<typename T1,typename T2>ostream& operator << (ostream& os, pair<T1,T2> p){cout << "(" << p.first << ", " << p.second << ")"; return os;} template<typename T>ostream& operator << (ostream& os, vector<T>& vec) { os << "{"; for (int i = 0; i<vec.size(); i++) os << vec[i] << (i + 1 == vec.size() ? "" : ", "); os << "}"; return os; } template<typename T>ostream& operator << (ostream& os, set<T>& st){cout << "{"; for(auto itr = st.begin(); itr != st.end(); itr++) cout << *itr << (next(itr)!=st.end() ? ", " : ""); cout << "}"; return os;} template<typename T1,typename T2>ostream& operator << (ostream& os, map<T1,T2> mp){cout << "{"; for(auto itr = mp.begin(); itr != mp.end(); itr++) cout << "(" << (itr->first) << ", " << (itr->second) << ")" << (next(itr)!=mp.end() ? "," : ""); cout << "}"; return os; } void dump_func(){DUMPOUT << endl;} template <class Head, class... Tail>void dump_func(Head&& head, Tail&&... tail){ DUMPOUT << head; if (sizeof...(Tail) == 0) { DUMPOUT << " "; } else { DUMPOUT << ", "; } dump_func(std::move(tail)...);} template<class T> inline bool chmax(T& a,T const& b){if(a>=b) return false; a=b; return true;} template<class T> inline bool chmin(T& a,T const& b){if(a<=b) return false; a=b; return true;} void solve(); int main(void) { std::cout << std::fixed << std::setprecision(15); solve(); return 0; } using ll = long long; using P = pair<int,int>; using Pl = pair<ll,ll>; using vi = vector<int>; using vvi = vector<vi>; using vl = vector<ll>; using vvl = vector<vl>; using vp = vector<Pl>; using vvp = vector<vp>; const int INF = 1<<29; const long long LINF=1LL<<59; void solve(){ ll N; cin >> N ; vl y(N), s(N+1); rep(i,N) cin >> y[i] ; sort(ALL(y)); if(N==2){ cout << y[1]-y[0] << endl; return; } ll ans = LINF; vector<vvl> dp(N,vvl(3,vl(3,LINF))); dp[1][0][1] = y[1] - y[0]; auto cost = [&](int i, int l){ ll c; if(i+1==N && l==0) return LINF; if(l==0) c = y[i+1] - y[i]; if(l==1) c = 0; if(l==2) c = y[i] - y[i-1]; return c; }; REP(i,2,N){ rep(l,3) chmin(dp[i][1][l], dp[i-1][0][1] + cost(i,l)); rep(l,2) chmin(dp[i][2][l], dp[i-1][1][2] + cost(i,l)); chmin(dp[i][0][1],dp[i-1][1][0]+cost(i,1)); chmin(dp[i][1][2],dp[i-1][1][1]+cost(i,2)); chmin(dp[i][1][2],dp[i-1][2][1]+cost(i,2)); chmin(dp[i][0][1],dp[i-1][2][0]+cost(i,1)); } cout << dp[N-1][1][2] << endl; }