結果
問題 | No.1282 Display Elements |
ユーザー | Mister |
提出日時 | 2020-11-19 18:40:58 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 210 ms / 2,000 ms |
コード長 | 5,365 bytes |
コンパイル時間 | 1,074 ms |
コンパイル使用メモリ | 98,304 KB |
実行使用メモリ | 15,736 KB |
最終ジャッジ日時 | 2024-07-23 10:09:11 |
合計ジャッジ時間 | 3,045 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
(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
6,816 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | AC | 2 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | AC | 2 ms
6,940 KB |
testcase_14 | AC | 3 ms
6,940 KB |
testcase_15 | AC | 189 ms
14,744 KB |
testcase_16 | AC | 61 ms
7,808 KB |
testcase_17 | AC | 150 ms
12,772 KB |
testcase_18 | AC | 79 ms
9,216 KB |
testcase_19 | AC | 34 ms
6,940 KB |
testcase_20 | AC | 33 ms
6,940 KB |
testcase_21 | AC | 206 ms
15,736 KB |
testcase_22 | AC | 51 ms
6,944 KB |
testcase_23 | AC | 210 ms
15,736 KB |
ソースコード
#line 2 "/Users/tiramister/CompetitiveProgramming/Cpp/CppLibrary/Tools/compress.hpp" #include <algorithm> #include <vector> #include <map> template <class T> std::map<T, int> compress(std::vector<T>& v) { std::sort(v.begin(), v.end()); v.erase(std::unique(v.begin(), v.end()), v.end()); std::map<T, int> rev; for (int i = 0; i < (int)v.size(); ++i) rev[v[i]] = i; return rev; } #line 2 "combined.cpp" #include <cassert> #line 5 "combined.cpp" #line 8 "combined.cpp" #include <numeric> #include <type_traits> namespace atcoder { namespace internal { #ifndef _MSC_VER template <class T> using is_signed_int128 = typename std::conditional<std::is_same<T, __int128_t>::value || std::is_same<T, __int128>::value, std::true_type, std::false_type>::type; template <class T> using is_unsigned_int128 = typename std::conditional<std::is_same<T, __uint128_t>::value || std::is_same<T, unsigned __int128>::value, std::true_type, std::false_type>::type; template <class T> using make_unsigned_int128 = typename std::conditional<std::is_same<T, __int128_t>::value, __uint128_t, unsigned __int128>; template <class T> using is_integral = typename std::conditional<std::is_integral<T>::value || is_signed_int128<T>::value || is_unsigned_int128<T>::value, std::true_type, std::false_type>::type; template <class T> using is_signed_int = typename std::conditional<(is_integral<T>::value && std::is_signed<T>::value) || is_signed_int128<T>::value, std::true_type, std::false_type>::type; template <class T> using is_unsigned_int = typename std::conditional<(is_integral<T>::value && std::is_unsigned<T>::value) || is_unsigned_int128<T>::value, std::true_type, std::false_type>::type; template <class T> using to_unsigned = typename std::conditional< is_signed_int128<T>::value, make_unsigned_int128<T>, typename std::conditional<std::is_signed<T>::value, std::make_unsigned<T>, std::common_type<T>>::type>::type; #else template <class T> using is_integral = typename std::is_integral<T>; template <class T> using is_signed_int = typename std::conditional<is_integral<T>::value && std::is_signed<T>::value, std::true_type, std::false_type>::type; template <class T> using is_unsigned_int = typename std::conditional<is_integral<T>::value && std::is_unsigned<T>::value, std::true_type, std::false_type>::type; template <class T> using to_unsigned = typename std::conditional<is_signed_int<T>::value, std::make_unsigned<T>, std::common_type<T>>::type; #endif template <class T> using is_signed_int_t = std::enable_if_t<is_signed_int<T>::value>; template <class T> using is_unsigned_int_t = std::enable_if_t<is_unsigned_int<T>::value>; template <class T> using to_unsigned_t = typename to_unsigned<T>::type; } // namespace internal } // namespace atcoder namespace atcoder { template <class T> struct fenwick_tree { using U = internal::to_unsigned_t<T>; public: fenwick_tree() : _n(0) {} fenwick_tree(int n) : _n(n), data(n) {} void add(int p, T x) { assert(0 <= p && p < _n); p++; while (p <= _n) { data[p - 1] += U(x); p += p & -p; } } T sum(int l, int r) { assert(0 <= l && l <= r && r <= _n); return sum(r) - sum(l); } private: int _n; std::vector<U> data; U sum(int r) { U s = 0; while (r > 0) { s += data[r - 1]; r -= r & -r; } return s; } }; } // namespace atcoder #include <iostream> #line 146 "combined.cpp" using lint = long long; void solve() { int n; std::cin >> n; std::vector<int> xs(n), ys(n); for (auto& x : xs) std::cin >> x; for (auto& y : ys) std::cin >> y; auto zs = xs; std::copy(ys.begin(), ys.end(), std::back_inserter(zs)); auto zrev = compress(zs); for (auto& x : xs) x = zrev[x]; for (auto& y : ys) y = zrev[y]; int m = zs.size(); std::sort(xs.begin(), xs.end()); lint ans = 0; atcoder::fenwick_tree<lint> bit(m); for (int i = 0; i < n; ++i) { bit.add(ys[i], 1); ans += bit.sum(0, xs[i]); } std::cout << ans << "\n"; } int main() { std::cin.tie(nullptr); std::ios::sync_with_stdio(false); solve(); return 0; }