結果
問題 | No.1332 Range Nearest Query |
ユーザー | define |
提出日時 | 2021-01-09 11:41:22 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 342 ms / 2,500 ms |
コード長 | 4,753 bytes |
コンパイル時間 | 2,673 ms |
コンパイル使用メモリ | 214,736 KB |
実行使用メモリ | 15,980 KB |
最終ジャッジ日時 | 2024-11-17 14:03:25 |
合計ジャッジ時間 | 15,527 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 1 ms
5,248 KB |
testcase_01 | AC | 1 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 294 ms
11,500 KB |
testcase_04 | AC | 311 ms
11,496 KB |
testcase_05 | AC | 299 ms
11,500 KB |
testcase_06 | AC | 147 ms
15,856 KB |
testcase_07 | AC | 151 ms
15,848 KB |
testcase_08 | AC | 152 ms
15,712 KB |
testcase_09 | AC | 148 ms
15,852 KB |
testcase_10 | AC | 143 ms
15,856 KB |
testcase_11 | AC | 149 ms
15,852 KB |
testcase_12 | AC | 147 ms
15,856 KB |
testcase_13 | AC | 147 ms
15,836 KB |
testcase_14 | AC | 147 ms
15,852 KB |
testcase_15 | AC | 148 ms
15,740 KB |
testcase_16 | AC | 340 ms
15,856 KB |
testcase_17 | AC | 332 ms
15,720 KB |
testcase_18 | AC | 340 ms
15,720 KB |
testcase_19 | AC | 333 ms
15,852 KB |
testcase_20 | AC | 329 ms
15,852 KB |
testcase_21 | AC | 327 ms
15,852 KB |
testcase_22 | AC | 342 ms
15,848 KB |
testcase_23 | AC | 340 ms
15,852 KB |
testcase_24 | AC | 329 ms
15,980 KB |
testcase_25 | AC | 330 ms
15,860 KB |
testcase_26 | AC | 179 ms
15,852 KB |
testcase_27 | AC | 162 ms
15,852 KB |
testcase_28 | AC | 34 ms
5,376 KB |
testcase_29 | AC | 35 ms
5,504 KB |
testcase_30 | AC | 36 ms
5,504 KB |
testcase_31 | AC | 30 ms
5,504 KB |
testcase_32 | AC | 38 ms
5,376 KB |
testcase_33 | AC | 39 ms
5,376 KB |
testcase_34 | AC | 32 ms
5,504 KB |
testcase_35 | AC | 33 ms
5,376 KB |
testcase_36 | AC | 33 ms
5,504 KB |
testcase_37 | AC | 36 ms
5,376 KB |
testcase_38 | AC | 212 ms
10,600 KB |
testcase_39 | AC | 94 ms
5,632 KB |
testcase_40 | AC | 324 ms
15,852 KB |
testcase_41 | AC | 130 ms
6,784 KB |
testcase_42 | AC | 201 ms
10,476 KB |
testcase_43 | AC | 155 ms
8,044 KB |
testcase_44 | AC | 256 ms
11,244 KB |
testcase_45 | AC | 249 ms
10,860 KB |
testcase_46 | AC | 182 ms
8,304 KB |
testcase_47 | AC | 223 ms
10,856 KB |
ソースコード
#line 2 "/home/defineprogram/Desktop/Library/template/template.cpp" #include <bits/stdc++.h> using namespace std; #define ll long long #define rep(i, n) for (int i = 0; i < n; i++) #define REP(i, n) for (int i = 1; i < n; i++) #define rev(i, n) for (int i = n - 1; i >= 0; i--) #define all(v) v.begin(), v.end() #define P pair<ll, ll> #define len(s) (ll) s.size() template <class T, class U> inline bool chmin(T &a, U b) { if (a > b) { a = b; return true; } return false; } template <class T, class U> inline bool chmax(T &a, U b) { if (a < b) { a = b; return true; } return false; } constexpr ll inf = 3e18; #line 3 "/home/defineprogram/Desktop/Library/structure/SegmentTree.cpp" template <typename Monoid, typename OperatorMonoid, Monoid (*f)(Monoid, Monoid, int), Monoid (*g)(Monoid, OperatorMonoid, int), OperatorMonoid (*h)(OperatorMonoid, OperatorMonoid, int)> struct Segtree { int size = 1; private: vector<Monoid> dat; vector<OperatorMonoid> lazy; Monoid M; OperatorMonoid OM; public: void eval(int k, int l, int r) { if (lazy[k] != OM) { dat[k] = g(dat[k], lazy[k], r - l); if (r - l > 1) { lazy[(k << 1) + 1] = h(lazy[(k << 1) + 1], lazy[k], r - l); lazy[(k << 1) + 2] = h(lazy[(k << 1) + 2], lazy[k], r - l); } lazy[k] = OM; } } void update(int a, int b, OperatorMonoid M, int k = 0, int l = 0, int r = -1) { if (r == -1) r = size; eval(k, l, r); if (r <= a || b <= l) return; if (a <= l && r <= b) { lazy[k] = h(lazy[k], M, r - l); eval(k, l, r); return; } update(a, b, M, (k << 1) + 1, l, (l + r) >> 1); update(a, b, M, (k << 1) + 2, (l + r) >> 1, r); dat[k] = f(dat[(k << 1) + 1], dat[(k << 1) + 2], r - l); } Monoid query(int a, int b, int k = 0, int l = 0, int r = -1) { if (r == -1) r = size; eval(k, l, r); if (r <= a || b <= l) return M; if (a <= l && r <= b) return dat[k]; Monoid lv = query(a, b, (k << 1) + 1, l, (l + r) >> 1); Monoid rv = query(a, b, (k << 1) + 2, (l + r) >> 1, r); return f(lv, rv, r - l); } template <class C> int minLeft(int a, int b, C &check, Monoid x, int k = 0, int l = 0, int r = -1) { if (r == -1) r = size; eval(k, l, r); if (r <= a || b <= l || !check(dat[k], x)) return -1; if (r - l == 1) return l; int lv = minLeft(a, b, check, x, (k << 1) + 1, l, (l + r) >> 1); if (lv != -1) return lv; return minLeft(a, b, check, x, (k << 1) + 2, (l + r) >> 1, r); } template <class C> int maxRight(int a, int b, C &check, Monoid x, int k = 0, int l = 0, int r = -1) { if (r == -1) r = size; eval(k, l, r); if (r <= a || b <= l || !check(dat[k], x)) return -1; if (r - l == 1) return l; int rv = maxRight(a, b, check, x, (k << 1) + 2, (l + r) >> 1, r); if (rv != -1) return rv; return maxRight(a, b, check, x, (k << 1) + 1, l, (l + r) >> 1); } Segtree(int x, Monoid M, OperatorMonoid OM) : M(M), OM(OM) { while (size < x) size <<= 1; dat.resize((size << 1) - 1, M); lazy.resize((size << 1) - 1, OM); } }; /* @brief Lazy Segment Tree @docs docs/SegmentTree.md */ #line 3 "main.cpp" int N,X[1<<19]; auto f=[](int a,int b,int sz){return max(a,b);}; auto g=[](int a,int b,int sz){return b;}; auto check=[](int a,int b){return a>=b;}; struct S{ int l,r,x,idx; }; int Q; S query[1<<17]; int ans[1<<17]; int main() { cin.tie(0); ios::sync_with_stdio(false); cin>>N; vector<int>xx; rep(i,N){ cin>>X[i]; xx.push_back(X[i]); } sort(all(xx));xx.erase(unique(all(xx)),xx.end()); rep(i,N){ X[i]=lower_bound(all(xx),X[i])-xx.begin(); } cin>>Q; rep(i,Q){ cin>>query[i].l>>query[i].r>>query[i].x;query[i].idx=i; query[i].l--; } sort(query,query+Q,[](S a,S b){return a.r<b.r;}); Segtree<int,int,f,g,g>segtree(N,-1,-1); int cur=0; rep(i,Q){ while(cur<query[i].r){ segtree.update(X[cur],X[cur]+1,cur); cur++; } int p=lower_bound(all(xx),query[i].x)-xx.begin(); int r=segtree.minLeft(p,N,check,query[i].l); int l=segtree.maxRight(0,p,check,query[i].l); ans[query[i].idx]=1e9; if(l!=-1){ ans[query[i].idx]=query[i].x-xx[l]; } if(r!=-1){ chmin(ans[query[i].idx],xx[r]-query[i].x); } } rep(i,Q)cout<<ans[i]<<"\n"; }