結果
問題 | No.728 ギブ and テイク |
ユーザー | haruki_K |
提出日時 | 2020-02-11 20:25:51 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 214 ms / 3,000 ms |
コード長 | 5,264 bytes |
コンパイル時間 | 1,814 ms |
コンパイル使用メモリ | 182,760 KB |
実行使用メモリ | 35,036 KB |
最終ジャッジ日時 | 2024-10-01 08:12:16 |
合計ジャッジ時間 | 4,682 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 2 ms
5,248 KB |
testcase_01 | AC | 1 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 1 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 1 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 1 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | AC | 12 ms
5,248 KB |
testcase_14 | AC | 18 ms
5,520 KB |
testcase_15 | AC | 8 ms
5,248 KB |
testcase_16 | AC | 16 ms
5,452 KB |
testcase_17 | AC | 14 ms
5,532 KB |
testcase_18 | AC | 148 ms
20,572 KB |
testcase_19 | AC | 159 ms
20,900 KB |
testcase_20 | AC | 190 ms
34,060 KB |
testcase_21 | AC | 167 ms
21,812 KB |
testcase_22 | AC | 62 ms
11,680 KB |
testcase_23 | AC | 39 ms
8,200 KB |
testcase_24 | AC | 125 ms
19,748 KB |
testcase_25 | AC | 121 ms
19,724 KB |
testcase_26 | AC | 63 ms
11,596 KB |
testcase_27 | AC | 214 ms
35,036 KB |
testcase_28 | AC | 162 ms
34,908 KB |
testcase_29 | AC | 2 ms
5,248 KB |
testcase_30 | AC | 2 ms
5,248 KB |
testcase_31 | AC | 1 ms
5,248 KB |
testcase_32 | AC | 2 ms
5,248 KB |
ソースコード
// >>> TEMPLATES #include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; #define int ll #define double ld #define rep(i,n) for (int i = 0; i < (int)(n); i++) #define rep1(i,n) for (int i = 1; i <= (int)(n); i++) #define repR(i,n) for (int i = (int)(n)-1; i >= 0; i--) #define rep1R(i,n) for (int i = (int)(n); i >= 1; i--) #define loop(i,a,B) for (int i = a; i B; i++) #define loopR(i,a,B) for (int i = a; i B; i--) #define all(x) (x).begin(), (x).end() #define allR(x) (x).rbegin(), (x).rend() #define pb push_back #define eb emplace_back #define mp make_pair #define fst first #define snd second #define INF (numeric_limits<int>::max()/2-1) #ifdef LOCAL #include "debug.hpp" #define dump(...) cerr << "[" << __LINE__ << ":" << __FUNCTION__ << "] ", dump_impl(#__VA_ARGS__, __VA_ARGS__) #define say(x) cerr << "[" << __LINE__ << ":" << __FUNCTION__ << "] " << x << endl #define debug if (1) #else #define dump(...) (void)(0) #define say(x) (void)(0) #define debug if (0) #endif template <class T> using pque_max = priority_queue<T>; template <class T> using pque_min = priority_queue<T, vector<T>, greater<T> >; template <class T, class = typename T::iterator, class = typename enable_if<!is_same<T, string>::value>::type> ostream& operator<<(ostream& os, T const& v) { bool f = true; for (auto const& x : v) os << (f ? "" : " ") << x, f = false; return os; } template <class T, class = typename T::iterator, class = typename enable_if<!is_same<T, string>::value>::type> istream& operator>>(istream& is, T &v) { for (auto& x : v) is >> x; return is; } template <class T, class S> istream& operator>>(istream& is, pair<T,S>& p) { return is >> p.first >> p.second; } struct IOSetup { IOSetup() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); } } iosetup; template <class F> struct FixPoint : private F { constexpr FixPoint(F&& f) : F(forward<F>(f)) {} template <class... T> constexpr auto operator()(T&&... x) const { return F::operator()(*this, forward<T>(x)...); } }; struct MakeFixPoint { template <class F> constexpr auto operator|(F&& f) const { return FixPoint<F>(forward<F>(f)); } }; #define MFP MakeFixPoint()| #define def(name, ...) auto name = MFP [&](auto &&name, __VA_ARGS__) template <class T, size_t d> struct vec_impl { using type = vector<typename vec_impl<T,d-1>::type>; template <class... U> static type make_v(size_t n, U&&... x) { return type(n, vec_impl<T,d-1>::make_v(forward<U>(x)...)); } }; template <class T> struct vec_impl<T,0> { using type = T; static type make_v(T const& x = {}) { return x; } }; template <class T, size_t d = 1> using vec = typename vec_impl<T,d>::type; template <class T, size_t d = 1, class... Args> auto make_v(Args&&... args) { return vec_impl<T,d>::make_v(forward<Args>(args)...); } template <class T> void quit(T const& x) { cout << x << endl; exit(0); } template <class T> constexpr bool chmin(T& x, T const& y) { if (x > y) { x = y; return true; } return false; } template <class T> constexpr bool chmax(T& x, T const& y) { if (x < y) { x = y; return true; } return false; } template <class It> constexpr auto sumof(It b, It e) { return accumulate(b,e,typename iterator_traits<It>::value_type{}); } template <class T> int sz(T const& x) { return x.size(); } template <class C, class T> int lbd(C const& v, T const& x) { return lower_bound(v.begin(), v.end(), x)-v.begin(); } template <class C, class T> int ubd(C const& v, T const& x) { return upper_bound(v.begin(), v.end(), x)-v.begin(); } // <<< // >>> BIT struct BIT { int n; vector<int> v; // use v[1..n] BIT(int n) : n(n), v(n+1) {} int get(int i) const { return sum(i+1)-sum(i); } void set(int i, int x) { add(i,x-get(i)); } void add(int i, int x) { assert(0 <= i && i < n); for (i++; i <= n; i += i&(-i)) v[i] += x; } int sum(int r) const { // [0,r) assert(0 <= r && r <= n); int s = 0; for (int i = r; i > 0; i -= i&(-i)) s += v[i]; return s; } int sum(int l, int r) const { // [l,r) return sum(r)-sum(l); } }; // <<< // >>> coordinate compression template <class T> struct Compress { vector<T> v; bool ok = false; void add(T const& x) { ok = false; v.push_back(x); } template <class It> void add(It f, It l) { ok = false; copy(f,l,back_inserter(v)); } void init() { sort(all(v)); v.erase(unique(all(v)), v.end()); ok = true; } int size() const { return v.size(); } T operator[](int i) const { assert(ok); return v[i]; } int find(T const& x) const { assert(ok); auto it = lower_bound(all(v),x); assert(*it == x); return it-v.begin(); } }; // <<< int32_t main() { int n; cin >> n; vector<int> a(n); cin >> a; vector<int> L(n),R(n); rep (i,n) cin >> L[i] >> R[i]; vector<tuple<int,int,int>> v; rep (i,n) v.eb(a[i],-1,i), v.eb(a[i]+R[i],+1,i); sort(all(v)); BIT seg(n); int cnt = 0; for (auto p : v) { int val,type,idx; tie(val,type,idx) = p; if (type < 0) { int lb = lbd(a,a[idx]-L[idx]); cnt += seg.sum(lb,idx); seg.add(idx,+1); } else { seg.add(idx,-1); } } cout << cnt << endl; }