結果
問題 | No.875 Range Mindex Query |
ユーザー | pazzle1230 |
提出日時 | 2019-09-06 21:29:35 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 272 ms / 2,000 ms |
コード長 | 4,654 bytes |
コンパイル時間 | 1,663 ms |
コンパイル使用メモリ | 175,772 KB |
実行使用メモリ | 9,344 KB |
最終ジャッジ日時 | 2024-06-24 16:49:36 |
合計ジャッジ時間 | 4,444 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
(要ログイン)
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
5,376 KB |
testcase_02 | AC | 4 ms
5,376 KB |
testcase_03 | AC | 3 ms
5,376 KB |
testcase_04 | AC | 3 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 3 ms
5,376 KB |
testcase_07 | AC | 3 ms
5,376 KB |
testcase_08 | AC | 3 ms
5,376 KB |
testcase_09 | AC | 3 ms
5,376 KB |
testcase_10 | AC | 3 ms
5,376 KB |
testcase_11 | AC | 199 ms
8,064 KB |
testcase_12 | AC | 163 ms
6,784 KB |
testcase_13 | AC | 142 ms
8,960 KB |
testcase_14 | AC | 142 ms
8,704 KB |
testcase_15 | AC | 193 ms
9,088 KB |
testcase_16 | AC | 249 ms
9,148 KB |
testcase_17 | AC | 272 ms
9,344 KB |
testcase_18 | AC | 263 ms
9,344 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define INF_LL (int64)1e18 #define INF (int32)1e9 #define REP(i, n) for(int64 i = 0;i < (n);i++) #define FOR(i, a, b) for(int64 i = (a);i < (b);i++) #define all(x) x.begin(),x.end() #define fs first #define sc second using int32 = int_fast32_t; using uint32 = uint_fast32_t; using int64 = int_fast64_t; using uint64 = uint_fast64_t; using PII = pair<int32, int32>; using PLL = pair<int64, int64>; const double eps = 1e-10; template<typename A, typename B>inline void chmin(A &a, B b){if(a > b) a = b;} template<typename A, typename B>inline void chmax(A &a, B b){if(a < b) a = b;} template<typename T> vector<T> make_v(size_t a){return vector<T>(a);} template<typename T,typename... Ts> auto make_v(size_t a,Ts... ts){ return vector<decltype(make_v<T>(ts...))>(a,make_v<T>(ts...)); } template<typename T,typename U,typename... V> typename enable_if<is_same<T, U>::value!=0>::type fill_v(U &u,const V... v){u=U(v...);} template<typename T,typename U,typename... V> typename enable_if<is_same<T, U>::value==0>::type fill_v(U &u,const V... v){ for(auto &e:u) fill_v<T>(e,v...); } template<class ValueMonoid, template<class...> class Container=::std::vector> class SegTree{ public: using value_structure = ValueMonoid; using value_type = typename value_structure::value_type; using const_reference = const value_type &; using container_type = Container<value_type>; using size_type = typename container_type::size_type; private: ::std::vector<value_type> tree; size_type size_; static size_type getsize(const size_type x){ size_type ret = 1; while(ret < x) ret <<= 1; return ret; } inline value_type calc(const value_type a, const value_type b){ return value_structure::operation(a, b); } inline void calc_node(const size_type index){ if(tree.size() <= (index << 1 | 1)) return; tree[index] = value_structure::operation(tree[index<<1], tree[index<<1 | 1]); } public: SegTree() : size_(0), tree(){} SegTree(const size_type size) : size_(size), tree(size << 1, value_structure::identity()){} template<class InputIterator> SegTree(InputIterator first, InputIterator last) : size_(::std::distance(first, last)){ tree = container_type(size_, value_structure::identity()); tree.insert(tree.end(), first, last); for(size_type i = size_;i > 0;i--){ calc_node(i); } } size_type size() const { return size_; } const_reference operator[](const size_type k) const { assert(k < size_); return tree[k+size_]; } value_type query(size_type l, size_type r){ assert(l <= r); assert(0 <= l && l < size_); assert(0 <= r && r <= size_); value_type retl = value_structure::identity(), retr = value_structure::identity(); for(l += size_, r += size_; l < r ; l >>= 1, r >>= 1){ if(l&1) retl = calc(retl, tree[l++]); if(r&1) retr = calc(tree[--r], retr); } return calc(retl, retr); } template<class F> void update(size_type index, const F& f){ assert(0 <= index && index < size()); index += size_; tree[index] = f(::std::move(tree[index])); while(index >>= 1) calc_node(index); } /* template<class F> size_type search(const F& f) const { // [0, result) is True and [0, result-1) is not. if(f(value_structure::identity())) return 0; if(!f(tree[1])) return size_+1; value_type acc = value_structure::identity(); size_type i = 1; while(i < } */ }; class p1_v { public: using value_type = PLL; static value_type identity() { return PLL(INF_LL, -1); } static value_type initializer() { return identity(); } static value_type operation (const value_type& a, const value_type& b) { if (a <= b) { return a; } else { return b; } } }; int main(void) { int64 N, Q; cin >> N >> Q; vector<PLL> a(N); REP(i, N) { cin >> a[i].fs; a[i].sc = i; } SegTree<p1_v> sg(a.begin(), a.end()); REP(i, Q) { int64 tp, l, r; cin >> tp >> l >> r; if (tp == 1) { PLL vl = sg.query(l-1, l), vr = sg.query(r-1, r); swap(vl.sc, vr.sc); sg.update(l-1, [&](PLL a) { return vr; }); sg.update(r-1, [&](PLL a) { return vl; }); } else { cout << sg.query(l-1, r).sc+1 << endl; } } }