結果
問題 | No.1031 いたずら好きなお姉ちゃん |
ユーザー | NyaanNyaan |
提出日時 | 2020-04-17 22:37:13 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 81 ms / 3,500 ms |
コード長 | 10,581 bytes |
コンパイル時間 | 2,404 ms |
コンパイル使用メモリ | 185,276 KB |
実行使用メモリ | 11,064 KB |
最終ジャッジ日時 | 2024-10-03 14:16:21 |
合計ジャッジ時間 | 6,559 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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 | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 4 ms
5,248 KB |
testcase_04 | AC | 4 ms
5,248 KB |
testcase_05 | AC | 4 ms
5,248 KB |
testcase_06 | AC | 4 ms
5,248 KB |
testcase_07 | AC | 4 ms
5,248 KB |
testcase_08 | AC | 4 ms
5,248 KB |
testcase_09 | AC | 4 ms
5,248 KB |
testcase_10 | AC | 4 ms
5,248 KB |
testcase_11 | AC | 58 ms
5,888 KB |
testcase_12 | AC | 58 ms
5,928 KB |
testcase_13 | AC | 66 ms
6,400 KB |
testcase_14 | AC | 59 ms
5,940 KB |
testcase_15 | AC | 67 ms
6,232 KB |
testcase_16 | AC | 62 ms
5,924 KB |
testcase_17 | AC | 68 ms
6,228 KB |
testcase_18 | AC | 65 ms
6,144 KB |
testcase_19 | AC | 66 ms
6,400 KB |
testcase_20 | AC | 72 ms
6,400 KB |
testcase_21 | AC | 62 ms
6,144 KB |
testcase_22 | AC | 55 ms
5,792 KB |
testcase_23 | AC | 57 ms
6,016 KB |
testcase_24 | AC | 68 ms
6,360 KB |
testcase_25 | AC | 71 ms
6,272 KB |
testcase_26 | AC | 63 ms
6,144 KB |
testcase_27 | AC | 59 ms
6,072 KB |
testcase_28 | AC | 70 ms
6,272 KB |
testcase_29 | AC | 71 ms
6,528 KB |
testcase_30 | AC | 69 ms
6,400 KB |
testcase_31 | AC | 72 ms
6,508 KB |
testcase_32 | AC | 68 ms
6,400 KB |
testcase_33 | AC | 65 ms
6,380 KB |
testcase_34 | AC | 75 ms
11,064 KB |
testcase_35 | AC | 62 ms
8,064 KB |
testcase_36 | AC | 62 ms
8,176 KB |
testcase_37 | AC | 67 ms
8,892 KB |
testcase_38 | AC | 65 ms
7,660 KB |
testcase_39 | AC | 61 ms
7,264 KB |
testcase_40 | AC | 63 ms
7,596 KB |
testcase_41 | AC | 62 ms
7,936 KB |
testcase_42 | AC | 63 ms
8,064 KB |
testcase_43 | AC | 59 ms
6,784 KB |
testcase_44 | AC | 59 ms
6,528 KB |
testcase_45 | AC | 58 ms
6,400 KB |
testcase_46 | AC | 78 ms
9,428 KB |
testcase_47 | AC | 72 ms
9,088 KB |
testcase_48 | AC | 69 ms
8,960 KB |
testcase_49 | AC | 75 ms
8,388 KB |
testcase_50 | AC | 73 ms
8,448 KB |
testcase_51 | AC | 76 ms
8,604 KB |
testcase_52 | AC | 80 ms
8,740 KB |
testcase_53 | AC | 81 ms
8,612 KB |
testcase_54 | AC | 1 ms
5,248 KB |
testcase_55 | AC | 2 ms
5,248 KB |
ソースコード
#pragma region kyopro_template #include <bits/stdc++.h> #define pb push_back #define eb emplace_back #define fi first #define se second #define each(x, v) for (auto &x : v) #define all(v) (v).begin(), (v).end() #define sz(v) ((int)(v).size()) #define mem(a, val) memset(a, val, sizeof(a)) #define ini(...) \ int __VA_ARGS__; \ in(__VA_ARGS__) #define inl(...) \ long long __VA_ARGS__; \ in(__VA_ARGS__) #define ins(...) \ string __VA_ARGS__; \ in(__VA_ARGS__) #define inc(...) \ char __VA_ARGS__; \ in(__VA_ARGS__) #define in2(s, t) \ for (int i = 0; i < (int)s.size(); i++) { \ in(s[i], t[i]); \ } #define in3(s, t, u) \ for (int i = 0; i < (int)s.size(); i++) { \ in(s[i], t[i], u[i]); \ } #define in4(s, t, u, v) \ for (int i = 0; i < (int)s.size(); i++) { \ in(s[i], t[i], u[i], v[i]); \ } #define rep(i, N) for (long long i = 0; i < (long long)(N); i++) #define repr(i, N) for (long long i = (long long)(N)-1; i >= 0; i--) #define rep1(i, N) for (long long i = 1; i <= (long long)(N); i++) #define repr1(i, N) for (long long i = (N); (long long)(i) > 0; i--) using namespace std; void solve(); using ll = long long; template <class T = ll> using V = vector<T>; using vi = vector<int>; using vl = vector<long long>; using vvi = vector<vector<int>>; using vd = V<double>; using vs = V<string>; using vvl = vector<vector<long long>>; using P = pair<long long, long long>; using vp = vector<P>; using pii = pair<int, int>; using vpi = vector<pair<int, int>>; constexpr int inf = 1001001001; constexpr long long infLL = (1LL << 61) - 1; template <typename T, typename U> inline bool amin(T &x, U y) { return (y < x) ? (x = y, true) : false; } template <typename T, typename U> inline bool amax(T &x, U y) { return (x < y) ? (x = y, true) : false; } template <typename T, typename U> ll ceil(T a, U b) { return (a + b - 1) / b; } constexpr ll TEN(int n) { ll ret = 1, x = 10; while (n) { if (n & 1) ret *= x; x *= x; n >>= 1; } return ret; } 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> istream &operator>>(istream &is, pair<T, U> &p) { is >> p.first >> p.second; return is; } template <typename T> ostream &operator<<(ostream &os, const vector<T> &v) { int s = (int)v.size(); for (int i = 0; i < s; i++) os << (i ? " " : "") << v[i]; return os; } template <typename T> istream &operator>>(istream &is, vector<T> &v) { for (auto &x : v) is >> x; return is; } void in() {} template <typename T, class... U> void in(T &t, U &... u) { cin >> t; in(u...); } void out() { cout << "\n"; } template <typename T, class... U> void out(const T &t, const U &... u) { cout << t; if (sizeof...(u)) cout << " "; out(u...); } template <typename T> void die(T x) { out(x); exit(0); } #ifdef NyaanDebug #include "NyaanDebug.h" #define trc(...) \ do { \ cerr << #__VA_ARGS__ << " = "; \ dbg_out(__VA_ARGS__); \ } while (0) #define trca(v, N) \ do { \ cerr << #v << " = "; \ array_out(v, N); \ } while (0) #define trcc(v) \ do { \ cerr << #v << " = {"; \ each(x, v) { cerr << " " << x << ","; } \ cerr << "}" << endl; \ } while (0) #else #define trc(...) #define trca(...) #define trcc(...) int main() { solve(); } #endif struct IoSetupNya { IoSetupNya() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); cerr << fixed << setprecision(7); } } iosetupnya; #pragma endregion constexpr long long MOD = /** 1000000007; //*/ 998244353; // popcount inline int popcount(unsigned long long a) { return __builtin_popcountll(a); } // least significant bit inline int lsb(unsigned long long a) { return __builtin_ctzll(a); } // most significant bit inline int msb(unsigned long long a) { return 63 - __builtin_clzll(a); } // get i-th bit template <typename T> inline int getbit(T a, int i) { return (a >> i) & 1; } // set i-th bit template <typename T> inline void setbit(T &a, int i) { a |= (1LL << i); } // delete i-th bit template <typename T> inline void delbit(T &a, int i) { a &= ~(1LL << i); } // lower_bound template <typename T> int lb(const vector<T> &v, const T &a) { return lower_bound(begin(v), end(v), a) - begin(v); } // upper_bound template <typename T> int ub(const vector<T> &v, const T &a) { return upper_bound(begin(v), end(v), a) - begin(v); } // cumulative sum template <typename T> vector<T> mkrui(const vector<T> &v) { vector<T> ret(v.size() + 1); for (int i = 0; i < int(v.size()); i++) ret[i + 1] = ret[i] + v[i]; return ret; }; // order template <typename T> vector<int> mkord(const vector<T> &v, function<bool(T, T)> f) { vector<int> ord(v.size()); iota(begin(ord), end(ord), 0); sort(begin(ord), end(ord), f); return ord; } // unique template <typename T> vector<T> mkuni(const vector<T> &v) { vector<T> ret(v); sort(ret.begin(), ret.end()); ret.erase(unique(ret.begin(), ret.end()), ret.end()); return ret; } // BIT template <typename T> struct BIT { int N; int max_2beki; vector<T> data; // 初期化 1-indexedでデータを管理する 0で初期化 BIT(int size) { N = ++size; data.assign(N, 0); max_2beki = 1; while (max_2beki * 2 <= N) max_2beki *= 2; } // [0,k](閉区間)の総和 閉区間に注意! T sum(int k) { if (k < 0) return 0; // k<0のとき0を返す T ret = 0; for (++k; k > 0; k -= k & -k) ret += data[k]; return (ret); } // [l,r](閉区間)の総和 inline T sum(int l, int r) { return sum(r) - sum(l - 1); } // 一点取得 更新はできないことに注意 inline T operator[](int k) { return sum(k) - sum(k - 1); } // data[k] += x; void add(int k, T x) { for (++k; k < N; k += k & -k) data[k] += x; } // imos法 [l,r]にxを加算 void imos(int l, int r, T x) { add(l, x); add(r + 1, -x); } // lower_bound sum(i)がval以上となる最小のi int lower_bound(T w) { if (w <= 0) return 0; int x = 0; for (int k = max_2beki; k > 0; k /= 2) { if (x + k <= N - 1 && data[x + k] < w) { w -= data[x + k]; x += k; } } return x; } // upper_bound sum(i)がvalより大きくなる最小のi int upper_bound(T w) { if (w < 0) return 0; int x = 0; for (int k = max_2beki; k > 0; k /= 2) { if (x + k <= N - 1 && data[x + k] <= w) { w -= data[x + k]; x += k; } } return x; } }; template <typename T, typename F> struct SegmentTree { int size; vector<T> seg; const F func; const T UNIT; SegmentTree(int N, F func, T UNIT) : func(func), UNIT(UNIT) { size = 1; while (size < N) size <<= 1; seg.assign(2 * size, UNIT); } SegmentTree(const vector<T> &v, F func, T UNIT) : func(func), UNIT(UNIT) { int N = (int)v.size(); size = 1; while (size < N) size <<= 1; seg.assign(2 * size, UNIT); for (int i = 0; i < N; i++) { seg[i + size] = v[i]; } build(); } void set(int k, T x) { seg[k + size] = x; } void build() { for (int k = size - 1; k > 0; k--) { seg[k] = func(seg[2 * k], seg[2 * k + 1]); } } void update(int k, T x) { k += size; seg[k] = x; while (k >>= 1) { seg[k] = func(seg[2 * k], seg[2 * k + 1]); } } void add(int k, T x) { k += size; seg[k] += x; while (k >>= 1) { seg[k] = func(seg[2 * k], seg[2 * k + 1]); } } // query to [a, b) T query(int a, int b) { T L = UNIT, R = UNIT; for (a += size, b += size; a < b; a >>= 1, b >>= 1) { if (a & 1) L = func(L, seg[a++]); if (b & 1) R = func(seg[--b], R); } return func(L, R); } T &operator[](const int &k) { return seg[k + size]; } }; struct UnionFind { vector<int> data; vi ma, rsz; UnionFind(int N) : data(N, -1), rsz(N, 1) { ma.resize(N); iota(all(ma), 0); } int find(int k) { return data[k] < 0 ? k : data[k] = find(data[k]); } int unite(int x, int y) { if ((x = find(x)) == (y = find(y))) return false; if (data[x] > data[y]) swap(x, y); data[x] += data[y]; data[y] = x; ma[x] = max(ma[x], ma[y]); rsz[x] += rsz[y]; return true; } int size(int k) { return -data[find(k)]; } int same(int x, int y) { return find(x) == find(y); } }; void solve() { ini(N); vi a(N); in(a); // auto f = [](ll a, ll b) { return a + b; }; ll ans = 0; { BIT<ll> bit(N + 10); set<int> s, t; vl val(N + 1); UnionFind uf(N + 1); rep(i, N) { #ifdef NyaanDebug vi b; rep1(i, N) b.push_back(bit.sum(i)); trc(b); #endif ll c = bit.sum(a[i]); trc(i, c); trcc(s); trcc(t); trc(); ans += c; val[a[i]] = c + 1; while (!s.empty() && *s.begin() < a[i]) { auto it = s.begin(); bit.imos((*it) + 1, a[i], -uf.rsz[uf.find(*it)]); uf.unite(*it, a[i]); s.erase(it); } while (!t.empty() && *t.rbegin() > a[i]) { auto it = --t.end(); int p = uf.find(*it); int par = uf.ma[p]; bit.imos(par + 1, N + 1, -1); uf.rsz[p]--; t.erase(it); } // 追加 s.insert(a[i]); t.insert(a[i]); bit.imos(a[i] + 1, N + 1, 1); } } reverse(all(a)); { BIT<ll> bit(N + 10); set<int> s, t; vl val(N + 1); UnionFind uf(N + 1); rep(i, N) { #ifdef NyaanDebug vi b; rep1(i, N) b.push_back(bit.sum(i)); trc(b); #endif ll c = bit.sum(a[i]); trc(i, c); trcc(s); trcc(t); trc(); ans += c; val[a[i]] = c + 1; while (!s.empty() && *s.begin() < a[i]) { auto it = s.begin(); bit.imos((*it) + 1, a[i], -uf.rsz[uf.find(*it)]); uf.unite(*it, a[i]); s.erase(it); } while (!t.empty() && *t.rbegin() > a[i]) { auto it = --t.end(); int p = uf.find(*it); int par = uf.ma[p]; bit.imos(par + 1, N + 1, -1); uf.rsz[p]--; t.erase(it); } // 追加 s.insert(a[i]); t.insert(a[i]); bit.imos(a[i] + 1, N + 1, 1); } } out(ans); }