結果
問題 | No.875 Range Mindex Query |
ユーザー | Haar |
提出日時 | 2019-12-17 12:45:53 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,389 bytes |
コンパイル時間 | 2,052 ms |
コンパイル使用メモリ | 204,928 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-07-02 21:20:37 |
合計ジャッジ時間 | 4,221 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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
6,816 KB |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | AC | 176 ms
6,944 KB |
testcase_17 | WA | - |
testcase_18 | AC | 183 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> #define LLI long long int #define FOR(v, a, b) for(LLI v = (a); v < (b); ++v) #define FORE(v, a, b) for(LLI v = (a); v <= (b); ++v) #define REP(v, n) FOR(v, 0, n) #define REPE(v, n) FORE(v, 0, n) #define REV(v, a, b) for(LLI v = (a); v >= (b); --v) #define ALL(x) (x).begin(), (x).end() #define RALL(x) (x).rbegin(), (x).rend() #define ITR(it, c) for(auto it = (c).begin(); it != (c).end(); ++it) #define RITR(it, c) for(auto it = (c).rbegin(); it != (c).rend(); ++it) #define EXIST(c,x) ((c).find(x) != (c).end()) #define fst first #define snd second #define popcount __builtin_popcount #define UNIQ(v) (v).erase(unique(ALL(v)), (v).end()) #define bit(i) (1LL<<(i)) #ifdef DEBUG #include <misc/C++/Debug.cpp> #else #define dump(...) ((void)0) #endif #define gcd __gcd using namespace std; template <class T> constexpr T lcm(T m, T n){return m/gcd(m,n)*n;} template <typename I> void join(ostream &ost, I s, I t, string d=" "){for(auto i=s; i!=t; ++i){if(i!=s)ost<<d; ost<<*i;}ost<<endl;} template <typename T> istream& operator>>(istream &is, vector<T> &v){for(auto &a : v) is >> a; return is;} template <typename T, typename U> bool chmin(T &a, const U &b){return (a>b ? a=b, true : false);} template <typename T, typename U> bool chmax(T &a, const U &b){return (a<b ? a=b, true : false);} template <typename T, size_t N, typename U> void fill_array(T (&a)[N], const U &v){fill((U*)a, (U*)(a+N), v);} struct Init{ Init(){ cin.tie(0); ios::sync_with_stdio(false); } }init; template <typename T, typename Func> class SegmentTree{ protected: const int depth, size, hsize; const T e; const Func f; std::vector<T> data; public: SegmentTree(int n, const T &e, const Func &f): depth(n > 1 ? 32-__builtin_clz(n-1) + 1 : 1), size((1 << depth) - 1), hsize(size / 2 + 1), e(e), f(f), data(size + 1, e) {} inline T operator[](int i) const { return at(i); } inline T at(int i) const { return data[hsize + i]; } inline T get(int x, int y) const { // [x,y) int l = x + hsize, r = y + hsize; T ret = e; // must be commutative while(l < r){ if(r & 1) ret = f(ret, data[--r]); if(l & 1) ret = f(ret, data[l++]); l >>= 1, r >>= 1; } return ret; } inline void update(int i, const T &x){ i += hsize; data[i] = x; while(i > 1){ i >>= 1; data[i] = f(data[i << 1 | 0], data[i << 1 | 1]); } } inline void init(const T &val){ data.assign(size + 1, e); for(int i = 0; i < hsize; ++i) data[hsize + i] = val; for(int i = hsize-1; i >= 1; --i){ data[i] = f(data[i << 1 | 0], data[i << 1 | 1]); } } inline void init_with_vector(const std::vector<T> &val){ data.assign(size + 1, e); for(int i = 0; i < (int)val.size(); ++i) data[hsize + i] = val[i]; for(int i = hsize-1; i >= 1; --i){ data[i] = f(data[i << 1 | 0], data[i << 1 | 1]); } } void debug(){ #ifdef DEBUG std::cerr << "{"; for(int i = 0; i < hsize; ++i){ if(i) std::cerr << ","; std::cerr << data[hsize + i]; } std::cerr << "}" << std::endl; #endif } }; template <typename T, typename Func> class SegmentTreeRangeArgmin : public SegmentTree<std::pair<T, int>, Func>{ using super = SegmentTree<std::pair<T, int>, Func>; public: SegmentTreeRangeArgmin(int n, const std::pair<T, int> &e, const Func &f): super(n, e, f){} inline void update(int i, const T &val){ super::update(i, std::make_pair(val, i)); } }; template <typename T> auto make_segment_tree_range_argmin(int size, const T &e){ auto f = [](const auto &a, const auto &b){ if(a.first == b.first){ return std::make_pair(std::min(a.first, b.first), std::min(a.second, b.second)); }else{ return std::min(a, b); } }; return SegmentTreeRangeArgmin<T, decltype(f)>(size, std::make_pair(e, INT_MAX), f); } int main(){ int N,Q; cin >> N >> Q; auto seg = make_segment_tree_range_argmin(N, INT_MAX); REP(i,N){ int a; cin >> a; seg.update(i, a); } REP(i,Q){ int c; cin >> c; int l,r; cin >> l >> r; --l, --r; if(c == 1){ auto a = seg.at(l).fst; auto b = seg.at(r).snd; seg.update(l, b); seg.update(r, a); }else{ auto ans = seg.get(l,r+1); cout << ans.second+1 << endl; } } }