結果
問題 | No.930 数列圧縮 |
ユーザー | ningenMe |
提出日時 | 2019-11-22 23:52:49 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 99 ms / 2,000 ms |
コード長 | 6,589 bytes |
コンパイル時間 | 2,044 ms |
コンパイル使用メモリ | 181,048 KB |
実行使用メモリ | 10,224 KB |
最終ジャッジ日時 | 2024-10-11 06:31:07 |
合計ジャッジ時間 | 4,865 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 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 | 2 ms
5,248 KB |
testcase_07 | AC | 4 ms
5,248 KB |
testcase_08 | AC | 46 ms
9,612 KB |
testcase_09 | AC | 81 ms
9,800 KB |
testcase_10 | AC | 53 ms
6,824 KB |
testcase_11 | AC | 52 ms
9,648 KB |
testcase_12 | AC | 58 ms
9,816 KB |
testcase_13 | AC | 40 ms
6,816 KB |
testcase_14 | AC | 42 ms
6,912 KB |
testcase_15 | AC | 60 ms
10,096 KB |
testcase_16 | AC | 80 ms
9,972 KB |
testcase_17 | AC | 82 ms
10,224 KB |
testcase_18 | AC | 99 ms
10,100 KB |
testcase_19 | AC | 79 ms
10,076 KB |
testcase_20 | AC | 72 ms
10,100 KB |
testcase_21 | AC | 66 ms
10,100 KB |
testcase_22 | AC | 2 ms
5,248 KB |
testcase_23 | AC | 67 ms
10,096 KB |
testcase_24 | AC | 2 ms
5,248 KB |
testcase_25 | AC | 2 ms
5,248 KB |
testcase_26 | AC | 2 ms
5,248 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; #define REP(i,n) for(long long i = 0; i < (n); i++) #define FOR(i, m, n) for(long long i = (m);i < (n); ++i) #define ALL(obj) (obj).begin(),(obj).end() #define SPEED cin.tie(0);ios::sync_with_stdio(false); template<class T> using V = vector<T>; template<class T, class U> using P = pair<T, U>; template<class T> using PQ = priority_queue<T>; template<class T> using PQR = priority_queue<T,vector<T>,greater<T>>; constexpr long long MOD = (long long)1e9 + 7; constexpr long long MOD2 = 998244353; constexpr long long HIGHINF = (long long)1e18; constexpr long long LOWINF = (long long)1e15; constexpr long double PI = 3.1415926535897932384626433; template <class T> vector<T> multivector(size_t N,T init){return vector<T>(N,init);} template <class... T> auto multivector(size_t N,T... t){return vector<decltype(multivector(t...))>(N,multivector(t...));} template <class T> void corner(bool flg, T hoge) {if (flg) {cout << hoge << endl; exit(0);}} template <class T, class U>ostream &operator<<(ostream &o, const map<T, U>&obj) {o << "{"; for (auto &x : obj) o << " {" << x.first << " : " << x.second << "}" << ","; o << " }"; return o;} template <class T>ostream &operator<<(ostream &o, const set<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} template <class T>ostream &operator<<(ostream &o, const multiset<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} template <class T>ostream &operator<<(ostream &o, const vector<T>&obj) {o << "{"; for (int i = 0; i < (int)obj.size(); ++i)o << (i > 0 ? ", " : "") << obj[i]; o << "}"; return o;} template <class T, class U>ostream &operator<<(ostream &o, const pair<T, U>&obj) {o << "{" << obj.first << ", " << obj.second << "}"; return o;} template <template <class tmp> class T, class U> ostream &operator<<(ostream &o, const T<U> &obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr)o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} void print(void) {cout << endl;} template <class Head> void print(Head&& head) {cout << head;print();} template <class Head, class... Tail> void print(Head&& head, Tail&&... tail) {cout << head << " ";print(forward<Tail>(tail)...);} template <class T> void chmax(T& a, const T b){a=max(a,b);} template <class T> void chmin(T& a, const T b){a=min(a,b);} void YN(bool flg) {cout << (flg ? "YES" : "NO") << endl;} void Yn(bool flg) {cout << (flg ? "Yes" : "No") << endl;} void yn(bool flg) {cout << (flg ? "yes" : "no") << endl;} template<class T> class SegmentTree { size_t length; //セグメント木の最下段の要素の数(vectorの要素の数を超える2べきの数) T init; //各ノードの初期値 vector<T> node; //ノード function<T(T,T)> funcNode; //node同士の演算 function<T(T,T)> funcMerge; //nodeとvarの演算 public: //vectorで初期化 SegmentTree(const vector<T> & vec, const T init, function<T(T,T)> funcNode, function<T(T,T)> funcMerge) : init(init), funcNode(funcNode), funcMerge(funcMerge) { for (length = 1; length < vec.size(); length *= 2); node.resize(2 * length, init); for (int i = 0; i < vec.size(); ++i) node[i + length] = vec[i]; for (int i = length - 1; i >= 0; --i) node[i] = funcNode(node[(i<<1)+0],node[(i<<1)+1]); } //lengthだけで初期化 SegmentTree(const size_t num, const T init, function<T(T,T)> funcNode, function<T(T,T)> funcMerge) : init(init), funcNode(funcNode), funcMerge(funcMerge) { for (length = 1; length < num; length *= 2); node.resize(2 * length, init); } //idx : 0-indexed void update(size_t idx, const T var) { if(idx < 0 || length <= idx) return; idx += length; node[idx] = funcMerge(node[idx],var); while(idx >>= 1) node[idx] = funcNode(node[(idx<<1)+0],node[(idx<<1)+1]); } //[l,r) T get(int l, int r) { if (l < 0 || length <= l || r < 0 || length < r) return init; T vl = init, vr = init; for(l += length, r += length; l < r; l >>=1, r >>=1) { if(l&1) vl = funcNode(vl,node[l++]); if(r&1) vr = funcNode(node[--r],vr); } return funcNode(vl,vr); } void print(){ cout << "{ " << get(0,1); for(int i = 1; i < length; ++i) cout << ", " << get(i,i+1); cout << " }" << endl; for(int i = 1,j = 1; i < 2*length; ++i) { cout << node[i] << " "; if(i==((1<<j)-1) && ++j) cout << endl; } } }; //GCD //verify https://atcoder.jp/contests/abc125/tasks/abc125_c //SUM //verify https://atcoder.jp/contests/arc077/tasks/arc077_c //MIN //verify https://atcoder.jp/contests/bitflyer2018-final-open/tasks/bitflyer2018_final_c //MAX //verify https://atcoder.jp/contests/wupc2019/tasks/wupc2019_d // //一点加算 + 区間総和 // function<ll(ll,ll)> funcNode = [&](ll a,ll b){return a+b;}; // function<ll(ll,ll)> funcMerge = [&](ll a,ll b){return a+b;}; // //一点更新 + 区間GCD // function<ll(ll,ll)> funcNode = GCD; // function<ll(ll,ll)> funcMerge = [&](ll a,ll b){return b;}; // //一点更新 + 区間最小 // function<ll(ll,ll)> funcNode = [&](ll a,ll b){return min(a,b);}; // function<ll(ll,ll)> funcMerge = [&](ll a,ll b){return b;}; int main() { int N; cin >> N; vector<ll> B(N); for(int i = 0; i < N; ++i) cin >> B[i]; using p = pair<ll,int>; //一点更新 + 区間最小 function<p(p,p)> funcMin = [&](p a,p b){return min(a,b);}; function<p(p,p)> funcMerge = [&](p a,p b){return b;}; SegmentTree<p> sMin(N,{LOWINF,-1},funcMin,funcMerge); vector<int> L(N,-1),R(N,-1); for(int i = 1; i < N; ++i) L[i] = i-1; for(int i = 0; i+1<N; ++i) R[i] = i+1; for(int i = 0; i < N; ++i) sMin.update(i,{B[i],i}); vector<ll> ans; for(;;){ p e = sMin.get(0,N); ll m = e.first; int i = e.second; int l = L[i],r = R[i]; if(l==-1 || r == -1) break; p er = sMin.get(r,r+1); ll mr = er.first; if(m>mr) break; ans.push_back(m); sMin.update(i,{LOWINF,i}); if(l!=-1) R[l] = r; if(r!=-1) L[r] = l; } int j = sMin.get(0,N).second; while(R[j]!=-1){ int i = R[j]; int l = L[i],r = R[i]; ans.push_back(B[i]); if(R[l]=r); if(r!=-1) L[r] = l; } int cnt = 0; corner(ans.size()!=N-1,"No"); cout << "Yes" << endl; for(auto& e:ans) cout << e << " ";cout << endl; return 0; }