結果
問題 | No.1332 Range Nearest Query |
ユーザー | rniya |
提出日時 | 2021-01-08 22:37:46 |
言語 | C++17 (gcc 13.2.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 239 ms / 2,500 ms |
コード長 | 6,819 bytes |
コンパイル時間 | 2,698 ms |
コンパイル使用メモリ | 223,612 KB |
実行使用メモリ | 26,908 KB |
最終ジャッジ日時 | 2023-08-10 10:40:17 |
合計ジャッジ時間 | 13,774 ms |
ジャッジサーバーID (参考情報) |
judge11 / judge15 |
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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
4,380 KB |
testcase_01 | AC | 2 ms
4,380 KB |
testcase_02 | AC | 2 ms
4,380 KB |
testcase_03 | AC | 209 ms
15,680 KB |
testcase_04 | AC | 215 ms
15,840 KB |
testcase_05 | AC | 203 ms
15,852 KB |
testcase_06 | AC | 149 ms
25,916 KB |
testcase_07 | AC | 150 ms
25,708 KB |
testcase_08 | AC | 150 ms
25,224 KB |
testcase_09 | AC | 151 ms
25,256 KB |
testcase_10 | AC | 153 ms
25,716 KB |
testcase_11 | AC | 153 ms
26,304 KB |
testcase_12 | AC | 153 ms
25,912 KB |
testcase_13 | AC | 156 ms
26,412 KB |
testcase_14 | AC | 153 ms
25,628 KB |
testcase_15 | AC | 153 ms
26,268 KB |
testcase_16 | AC | 236 ms
25,548 KB |
testcase_17 | AC | 233 ms
25,472 KB |
testcase_18 | AC | 234 ms
25,484 KB |
testcase_19 | AC | 237 ms
26,908 KB |
testcase_20 | AC | 229 ms
25,304 KB |
testcase_21 | AC | 231 ms
25,600 KB |
testcase_22 | AC | 229 ms
25,924 KB |
testcase_23 | AC | 239 ms
25,972 KB |
testcase_24 | AC | 236 ms
25,636 KB |
testcase_25 | AC | 230 ms
25,716 KB |
testcase_26 | AC | 118 ms
26,612 KB |
testcase_27 | AC | 113 ms
26,488 KB |
testcase_28 | AC | 44 ms
5,316 KB |
testcase_29 | AC | 45 ms
5,404 KB |
testcase_30 | AC | 46 ms
5,436 KB |
testcase_31 | AC | 43 ms
5,400 KB |
testcase_32 | AC | 47 ms
5,432 KB |
testcase_33 | AC | 47 ms
5,472 KB |
testcase_34 | AC | 44 ms
5,428 KB |
testcase_35 | AC | 45 ms
5,364 KB |
testcase_36 | AC | 45 ms
5,344 KB |
testcase_37 | AC | 45 ms
5,360 KB |
testcase_38 | AC | 159 ms
14,832 KB |
testcase_39 | AC | 79 ms
5,952 KB |
testcase_40 | AC | 231 ms
25,368 KB |
testcase_41 | AC | 106 ms
7,932 KB |
testcase_42 | AC | 156 ms
15,036 KB |
testcase_43 | AC | 126 ms
10,240 KB |
testcase_44 | AC | 191 ms
15,500 KB |
testcase_45 | AC | 180 ms
15,188 KB |
testcase_46 | AC | 145 ms
10,588 KB |
testcase_47 | AC | 169 ms
15,224 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; const long long MOD=1000000007; // const long long MOD=998244353; #define LOCAL #pragma region Macros typedef long long ll; typedef __int128_t i128; typedef unsigned int uint; typedef unsigned long long ull; #define ALL(x) (x).begin(),(x).end() const int INF=INT_MAX; const long long IINF=1e18; const int dx[4]={1,0,-1,0},dy[4]={0,1,0,-1}; const char dir[4]={'D','R','U','L'}; template<typename T> istream &operator>>(istream &is,vector<T> &v){ for (T &x:v) is >> x; return is; } template<typename T> ostream &operator<<(ostream &os,const vector<T> &v){ for (int i=0;i<v.size();++i){ os << v[i] << (i+1==v.size()?"": " "); } return os; } template<typename T,typename U> ostream &operator<<(ostream &os,const pair<T,U> &p){ os << '(' << p.first << ',' << p.second << ')'; return os; } template<typename T,typename U,typename V> ostream&operator<<(ostream &os,const tuple<T,U,V> &t){ os << '(' << get<0>(t) << ',' << get<1>(t) << ',' << get<2>(t) << ')'; return os; } template<typename T,typename U,typename V,typename W> ostream&operator<<(ostream &os,const tuple<T,U,V,W> &t){ os << '(' << get<0>(t) << ',' << get<1>(t) << ',' << get<2>(t) << ',' << get<3>(t) << ')'; return os; } template<typename T,typename U> ostream &operator<<(ostream &os,const map<T,U> &m){ os << '{'; for (auto itr=m.begin();itr!=m.end();){ os << '(' << itr->first << ',' << itr->second << ')'; if (++itr!=m.end()) os << ','; } os << '}'; return os; } template<typename T,typename U> ostream &operator<<(ostream &os,const unordered_map<T,U> &m){ os << '{'; for (auto itr=m.begin();itr!=m.end();){ os << '(' << itr->first << ',' << itr->second << ')'; if (++itr!=m.end()) os << ','; } os << '}'; return os; } template<typename T> ostream &operator<<(ostream &os,const set<T> &s){ os << '{'; for (auto itr=s.begin();itr!=s.end();){ os << *itr; if (++itr!=s.end()) os << ','; } os << '}'; return os; } template<typename T> ostream &operator<<(ostream &os,const multiset<T> &s){ os << '{'; for (auto itr=s.begin();itr!=s.end();){ os << *itr; if (++itr!=s.end()) os << ','; } os << '}'; return os; } template<typename T> ostream &operator<<(ostream &os,const unordered_set<T> &s){ os << '{'; for (auto itr=s.begin();itr!=s.end();){ os << *itr; if (++itr!=s.end()) os << ','; } os << '}'; return os; } template<typename T> ostream &operator<<(ostream &os,const deque<T> &v){ for (int i=0;i<v.size();++i){ os << v[i] << (i+1==v.size()?"": " "); } return os; } void debug_out(){cerr << '\n';} template<class Head,class... Tail> void debug_out(Head&& head,Tail&&... tail){ cerr << head; if (sizeof...(Tail)>0) cerr << ", "; debug_out(move(tail)...); } #ifdef LOCAL #define debug(...) cerr << " ";\ cerr << #__VA_ARGS__ << " :[" << __LINE__ << ":" << __FUNCTION__ << "]" << '\n';\ cerr << " ";\ debug_out(__VA_ARGS__) #else #define debug(...) 42 #endif template<typename T> T gcd(T x,T y){return y!=0?gcd(y,x%y):x;} template<typename T> T lcm(T x,T y){return x/gcd(x,y)*y;} template<class T1,class T2> inline bool chmin(T1 &a,T2 b){ if (a>b){a=b; return true;} return false; } template<class T1,class T2> inline bool chmax(T1 &a,T2 b){ if (a<b){a=b; return true;} return false; } #pragma endregion template<typename Monoid> struct SegmentTree{ typedef function<Monoid(Monoid,Monoid)> F; int n; F f; Monoid id; vector<Monoid> dat; SegmentTree(int n_,F f,Monoid id):f(f),id(id){init(n_);} void init(int n_){ n=1; while(n<n_) n<<=1; dat.assign(n<<1,id); } void build(const vector<Monoid> &v){ for (int i=0;i<v.size();++i) dat[i+n]=v[i]; for (int i=n-1;i;--i) dat[i]=f(dat[i<<1|0],dat[i<<1|1]); } void update(int k,Monoid x){ dat[k+=n]=x; while(k>>=1) dat[k]=f(dat[k<<1|0],dat[k<<1|1]); } Monoid query(int a,int b){ if (a>=b) return id; Monoid vl=id,vr=id; for (int l=a+n,r=b+n;l<r;l>>=1,r>>=1){ if (l&1) vl=f(vl,dat[l++]); if (r&1) vr=f(dat[--r],vr); } return f(vl,vr); } template<typename C> int find_subtree(int k,const C &check,Monoid &M,bool type){ while(k<n){ Monoid nxt=type?f(dat[k<<1|type],M):f(M,dat[k<<1|type]); if (check(nxt)) k=k<<1|type; else M=nxt,k=k<<1|(type^1); } return k-n; } // min i s.t. f(seg[a],seg[a+1],...,seg[i]) satisfy "check" template<typename C> int find_first(int a,const C &check){ Monoid L=id; if (a<=0){ if (check(f(L,dat[1]))) return find_subtree(1,check,L,false); return -1; } int b=n; for (int l=a+n,r=b+n;l<r;l>>=1,r>>=1){ if (l&1){ Monoid nxt=f(L,dat[l]); if (check(nxt)) return find_subtree(l,check,L,false); L=nxt; ++l; } } return -1; } // max i s.t. f(seg[i],...,seg[b-2],seg[b-1]) satisfy "check" template<typename C> int find_last(int b,const C &check){ Monoid R=id; if (b>=n){ if (check(f(dat[1],R))) return find_subtree(1,check,R,true); return -1; } int a=n; for (int l=a,r=b+n;l<r;l>>=1,r>>=1){ if (r&1){ Monoid nxt=f(dat[--r],R); if (check(nxt)) return find_subtree(r,check,R,true); R=nxt; } } return -1; } Monoid operator[](int i){return dat[i+n];} }; int main(){ cin.tie(0); ios::sync_with_stdio(false); int N; cin >> N; vector<pair<int,int>> X; for (int i=0;i<N;++i){ int x; cin >> x; X.emplace_back(x,i); } sort(ALL(X)); int Q; cin >> Q; vector<tuple<int,int,int,int>> query; for (int i=0;i<Q;++i){ int l,r,x; cin >> l >> r >> x; --l; query.emplace_back(x,l,r,i); } sort(ALL(query)); vector<ll> ans(Q,IINF); SegmentTree<ll> seg1(N,[](ll a,ll b){return min(a,b);},IINF) ,seg2(N,[](ll a,ll b){return max(a,b);},-IINF); for (int i=Q-1,j=N-1;i>=0;--i){ int l,r,x,id; tie(x,l,r,id)=query[i]; while (j>=0&&X[j].first>=x) seg1.update(X[j].second,X[j].first),--j; chmin(ans[id],seg1.query(l,r)-x); } for (int i=0,j=0;i<Q;++i){ int l,r,x,id; tie(x,l,r,id)=query[i]; while (j<N&&X[j].first<=x) seg2.update(X[j].second,X[j].first),++j; chmin(ans[id],x-seg2.query(l,r)); } for (int a:ans) cout << a << '\n'; }