結果
| 問題 | No.1965 Heavier |
| ユーザー |
 FF256grhy
|
| 提出日時 | 2023-09-23 13:10:12 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 458 ms / 2,000 ms |
| コード長 | 8,484 bytes |
| コンパイル時間 | 2,222 ms |
| コンパイル使用メモリ | 211,252 KB |
| 最終ジャッジ日時 | 2025-02-17 01:33:49 |
|
ジャッジサーバーID （参考情報） |
judge3 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 26 |
ソースコード
#include <bits/stdc++.h>using namespace std;#define incII(i, l, r) for(decay_t<decltype(r)> i = (l) ; i <= (r); i++)#define incIX(i, l, r) for(decay_t<decltype(r)> i = (l) ; i < (r); i++)#define incXI(i, l, r) for(decay_t<decltype(r)> i = (l) + 1; i <= (r); i++)#define incXX(i, l, r) for(decay_t<decltype(r)> i = (l) + 1; i < (r); i++)#define decII(i, l, r) for(decay_t<decltype(r)> i = (r) ; i >= (l); i--)#define decIX(i, l, r) for(decay_t<decltype(r)> i = (r) - 1; i >= (l); i--)#define decXI(i, l, r) for(decay_t<decltype(r)> i = (r) ; i > (l); i--)#define decXX(i, l, r) for(decay_t<decltype(r)> i = (r) - 1; i > (l); i--)#define inc(i, n) incIX(i, 0, n)#define dec(i, n) decIX(i, 0, n)#define inc1(i, n) incII(i, 1, n)#define dec1(i, n) decII(i, 1, n)auto inII = [](auto a, auto l, auto r) -> bool { return (l <= a && a <= r); };auto inIX = [](auto a, auto l, auto r) -> bool { return (l <= a && a < r); };auto inXI = [](auto a, auto l, auto r) -> bool { return (l < a && a <= r); };auto inXX = [](auto a, auto l, auto r) -> bool { return (l < a && a < r); };auto setmin = [](auto & a, auto b) -> bool { return (b < a ? a = b, true : false); };auto setmax = [](auto & a, auto b) -> bool { return (b > a ? a = b, true : false); };auto setmineq = [](auto & a, auto b) -> bool { return (b <= a ? a = b, true : false); };auto setmaxeq = [](auto & a, auto b) -> bool { return (b >= a ? a = b, true : false); };using LL = long long int;using LD = long double;#define PB push_back#define EB emplace_back#define MP make_pair#define MT make_tuple#define FI first#define SE second#define FR front()#define BA back()#define ALL(a) begin(a), end(a)#define RALL(a) rbegin(a), rend(a)#define RV(a) reverse(ALL(a))#define ST(a) sort(ALL(a))#define RST(a) sort(RALL(a))#define SC static_cast#define SI(a) SC<int>(a.size())#define SL(a) SC<LL>(a.size())#define RF(e, ...) for(auto && e: __VA_ARGS__)#define SF(a, ...) for(auto && [__VA_ARGS__]: a)#define until(...) while(not(__VA_ARGS__))#define if_not(...) if(not(__VA_ARGS__))#define ef else if#define UR assert(false)template<typename A> istream & operator>>(istream & is, vector<A> & v);template<typename A> ostream & operator<<(ostream & os, vector<A> const & v);template<typename A, size_t N> istream & operator>>(istream & is, array<A, N> & a);template<typename A, size_t N> ostream & operator<<(ostream & os, array<A, N> const & a);template<typename A, typename B> istream & operator>>(istream & is, pair<A, B> & p);template<typename A, typename B> ostream & operator<<(ostream & os, pair<A, B> const & p);template<typename ... A> istream & operator>>(istream & is, tuple<A ...> & t);template<typename ... A> ostream & operator<<(ostream & os, tuple<A ...> const & t);template<int I = 0, typename T> void tin_ (istream & is, T & t) { if constexpr(I < tuple_size<T>::value) { is >> get<I>(t); tin_<I + 1>(is, t);} }template<int I = 0, typename T> void tout_(ostream & os, T const & t) { if constexpr(I < tuple_size<T>::value) { if(I != 0) { os << " "; } os << get<I>(t); tout_<I + 1>(os, t); } }template<typename A> istream & operator>>(istream & is, vector<A> & v) { for(auto && e: v) { is >> e; } return is; }template<typename A> ostream & operator<<(ostream & os, vector<A> const & v) { string ss; for(auto && e: v) { os << ss << e; ss = " ";} return os; }template<typename A, size_t N> istream & operator>>(istream & is, array<A, N> & a) { for(auto && e: a) { is >> e; } return is; }template<typename A, size_t N> ostream & operator<<(ostream & os, array<A, N> const & a) { string ss; for(auto && e: a) { os << ss << e; ss = " ";} return os; }template<typename A, typename B> istream & operator>>(istream & is, pair<A, B> & p) { return is >> p.first >> p.second; }template<typename A, typename B> ostream & operator<<(ostream & os, pair<A, B> const & p) { return os << p.first << " " << p.second; }template<typename ... A> istream & operator>>(istream & is, tuple<A ...> & t) { tin_ (is, t); return is; }template<typename ... A> ostream & operator<<(ostream & os, tuple<A ...> const & t) { tout_(os, t); return os; }auto * IS = & cin;auto * OS = & cout;template<typename ... A> void in(A & ... a) { (* IS >> ... >> a); }#define IN(...) __VA_ARGS__; in(__VA_ARGS__)template<typename A > auto make_v(A a) { return a; }template<typename A, typename ... M> auto make_v(A a, int n, M ... m) { return vector(n, make_v(a, m ...)); }template<typename A, typename ... N> auto read_v(N ... n) { auto a = make_v(A { }, n ...); in(a); return a; }void out_([[maybe_unused]] string const & s) { }template<typename A > void out_([[maybe_unused]] string const & s, A const & a) { * OS << a; }template<typename A, typename ... B> void out_( string const & s, A const & a, B const & ... b) { * OS << a << s; out_(s, b ...); }auto outF = [](string const & s, string const & t, auto const & ... a) { out_(s, a ...); * OS << t << flush; };auto outN = [](auto const & ... a) { outF("" , "" , a ...); };auto outS = [](auto const & ... a) { outF(" " , " " , a ...); };auto outL = [](auto const & ... a) { outF("\n", "\n", a ...); };auto outSN = [](auto const & ... a) { outF(" " , "" , a ...); };auto outNL = [](auto const & ... a) { outF("" , "\n", a ...); };auto outSL = [](auto const & ... a) { outF(" " , "\n", a ...); };auto out = outSL;template<typename A > void disp_(A const & a) { * OS << a; }template<typename A, typename ... T> void disp_(A const & a, string const & s, T const & ... t) { string ss; for(auto && e: a) { * OS << ss; ss = s;disp_(e, t ...); } }auto dispI = [](auto const & a, auto const & s, auto const & ... t) { disp_(a, t ...); * OS << s << flush; };auto dispT = [](auto const & a, auto const & s, auto const & ... t) { for(auto && e: a) { disp_(e, t ...); * OS << s; } * OS << flush; };auto dispL = [](auto const & a, auto const & ... t) { dispT(a, "\n", t ...); };struct OS_init { OS_init() { * OS << boolalpha << fixed << setprecision(20); } } os_init_;// ---- ----template<typename T> class SegmentTree {private:int n, s;vector<T> a;function<T(T &, T &)> f;T e;bool ok;void shift(int & p) {assert(inIX(p, 0, n));p += s;}public:SegmentTree() { n = 0; }SegmentTree(int nn, function<T(T &, T &)> ff, T ee) { init(nn, ff, ee); }void init(int nn, function<T(T &, T &)> ff, T ee) {n = nn;f = ff;e = ee;s = 1;while(s < n) { s *= 2; }a = vector<T>(2 * s, e);ok = true;}void apply(int p, function<void(T &)> g) {shift(p);g(a[p]);while(p > 1) {p /= 2;a[p] = f(a[2 * p], a[2 * p + 1]);}}T fold_IX(int l, int r) {assert(ok);assert(inII(l, 0, n)); l += s;assert(inII(r, 0, n)); r += s; r--;T x = e, y = e;while(l <= r) {if(l % 2 == 1) { x = f(x, a[l]); l++; }if(r % 2 == 0) { y = f(a[r], y); r--; }l /= 2;r /= 2;}return f(x, y);}T fold_II(int l, int r) { return fold_IX(l + 0, r + 1); }T fold_XI(int l, int r) { return fold_IX(l + 1, r + 1); }T fold_XX(int l, int r) { return fold_IX(l + 1, r + 0); }const T & operator[](int p) {shift(p);return a[p];}T & ref(int p) {shift(p);ok = false;return a[p];}void calc() {dec(i, s) { a[i] = f(a[2 * i], a[2 * i + 1]); }ok = true;}};#define OP(s) [&](auto & A, auto & B) { return s; }#define AP(s) [&](auto & A) { s; }// ----#define LB(v, x) (lower_bound(ALL(v), x) - v.begin())#define UB(v, x) (upper_bound(ALL(v), x) - v.begin())int main() {int IN(n);auto a = read_v<int>(n);auto b = read_v<int>(n);vector<pair<int, int>> v(n);inc(i, n) { v[i] = { b[i], i }; }ST(v);const int INF = 2e9;SegmentTree<int> st_p(n, OP(max(A, B)), -INF);SegmentTree<int> st_m(n, OP(max(A, B)), -INF);LL ans = 0;int l = 0;inc(r, n) {int i = LB(v, MP(b[r], r));int p = a[r] + b[r];int m = a[r] - b[r];st_p.apply(i, AP(A = a[r] + b[r]));st_m.apply(i, AP(A = a[r] - b[r]));until(st_p.fold_XX(i, n) < p && st_m.fold_IX(0, i) < m) {assert(l < r);st_p.apply(LB(v, MP(b[l], l)), AP(A = -INF));st_m.apply(LB(v, MP(b[l], l)), AP(A = -INF));l++;}ans += r - l;}out(ans);}