結果
問題 | No.2500 Products in a Range |
ユーザー | sgfc |
提出日時 | 2023-10-13 22:51:39 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 146 ms / 2,000 ms |
コード長 | 4,201 bytes |
コンパイル時間 | 5,315 ms |
コンパイル使用メモリ | 316,640 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-09-15 18:36:40 |
合計ジャッジ時間 | 9,087 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
(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
6,812 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 3 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 10 ms
6,944 KB |
testcase_08 | AC | 79 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 44 ms
6,940 KB |
testcase_11 | AC | 66 ms
6,940 KB |
testcase_12 | AC | 17 ms
6,944 KB |
testcase_13 | AC | 3 ms
6,940 KB |
testcase_14 | AC | 95 ms
6,940 KB |
testcase_15 | AC | 4 ms
6,940 KB |
testcase_16 | AC | 98 ms
6,944 KB |
testcase_17 | AC | 37 ms
6,940 KB |
testcase_18 | AC | 48 ms
6,944 KB |
testcase_19 | AC | 104 ms
6,940 KB |
testcase_20 | AC | 117 ms
6,940 KB |
testcase_21 | AC | 5 ms
6,940 KB |
testcase_22 | AC | 131 ms
6,944 KB |
testcase_23 | AC | 127 ms
6,940 KB |
testcase_24 | AC | 146 ms
6,944 KB |
testcase_25 | AC | 119 ms
6,944 KB |
testcase_26 | AC | 116 ms
6,940 KB |
testcase_27 | AC | 118 ms
6,940 KB |
testcase_28 | AC | 94 ms
6,944 KB |
testcase_29 | AC | 15 ms
6,940 KB |
testcase_30 | AC | 10 ms
6,940 KB |
testcase_31 | AC | 3 ms
6,940 KB |
testcase_32 | AC | 3 ms
6,944 KB |
testcase_33 | AC | 15 ms
6,944 KB |
testcase_34 | AC | 50 ms
6,940 KB |
testcase_35 | AC | 2 ms
6,944 KB |
testcase_36 | AC | 2 ms
6,940 KB |
testcase_37 | AC | 2 ms
6,940 KB |
testcase_38 | AC | 2 ms
6,944 KB |
testcase_39 | AC | 2 ms
6,940 KB |
testcase_40 | AC | 2 ms
6,944 KB |
testcase_41 | AC | 2 ms
6,944 KB |
testcase_42 | AC | 2 ms
6,940 KB |
testcase_43 | AC | 2 ms
6,944 KB |
testcase_44 | AC | 6 ms
6,944 KB |
testcase_45 | AC | 2 ms
6,940 KB |
testcase_46 | AC | 10 ms
6,940 KB |
testcase_47 | AC | 116 ms
6,944 KB |
testcase_48 | AC | 2 ms
6,944 KB |
testcase_49 | AC | 2 ms
6,944 KB |
testcase_50 | AC | 46 ms
6,944 KB |
testcase_51 | AC | 56 ms
6,940 KB |
testcase_52 | AC | 116 ms
6,940 KB |
testcase_53 | AC | 13 ms
6,944 KB |
testcase_54 | AC | 2 ms
6,944 KB |
testcase_55 | AC | 9 ms
6,940 KB |
testcase_56 | AC | 10 ms
6,940 KB |
testcase_57 | AC | 24 ms
6,944 KB |
testcase_58 | AC | 16 ms
6,944 KB |
testcase_59 | AC | 132 ms
6,940 KB |
testcase_60 | AC | 6 ms
6,940 KB |
ソースコード
#include "bits/stdc++.h" #include <unordered_map> #include <unordered_set> #include <stdio.h> #include <math.h> #include <cassert> #include "atcoder/all" #include <float.h> //#include <boost/multiprecision/cpp_int.hpp> //using namespace boost::multiprecision; // std::fixed << std::setprecision(10) << using namespace std; using namespace atcoder; using ll = long long; using ull = unsigned long long; using mint = modint998244353; using mint2 = modint1000000007; const double eps = 1e-9; #define REP(i, n) for (ll i = 0; i < ll(n); ++i) #define REPI(i, init, n) for (ll i = init; i < ll(n); ++i) #define REPD(i, init) for (ll i = init; i >=0; --i) #define REPDI(i, init, n) for (ll i = init; i >=n; --i) #define REPE(i, c) for (const auto& i : c) #define TCASE() ll t; cin >> t; REP(i, t) using vl = vector<ll>; #define VL(a, n) vector<ll> a; a.assign(n, 0); #define VLI(a, n) vector<ll> a; a.assign(n, 0); for(auto& x : a) cin >> x; #define VSI(a, n) vector<string> a; a.assign(n, ""); for(auto& x : a) cin >> x; using vvl = vector<vector<ll>>; #define VVLI(a, n, m, init) vector<vector<ll>> a(n); for(auto& x : a) x.assign(m, init); using vd = vector<double>; using pl = pair<ll, ll>; struct uv { ll u; ll v; ll c; }; #define VUVI(a, n) vector<uv> a; a.assign(n, {0, 0, 1}); for(auto& x : a) {cin >> x.u >> x.v; x.u--; x.v--;} #define VUVCI(a, n) vector<uv> a; a.assign(n, {0, 0, 0}); for(auto& x : a) {cin >> x.u >> x.v >> x.c; x.u--; x.v--;} vvl to_edge(const ll n, const vector<uv>& v) { vvl ret(n); for (auto& x : v) ret[x.u].push_back(x.v); return ret; } vvl to_edge_d(const ll n, const vector<uv>& v) { vvl ret(n); for (auto& x : v) { ret[x.u].push_back(x.v); ret[x.v].push_back(x.u); } return ret; } template <class T = long long> using pql = priority_queue<T>; template <class T = long long> using pqg = priority_queue<T, vector<T>, greater<T>>; using vm = vector<mint>; using vvm = vector<vm>; void yn(bool f) { std::cout << (f ? "Yes" : "No") << endl; }; template<class T> void ov(const T& v) { for (auto it = v.begin(); it != v.end(); it++) { if (it != v.begin()) cout << " "; cout << *it; } }; template<> void ov(const vm& v) { for (auto it = v.begin(); it != v.end(); it++) { if (it != v.begin()) cout << " "; cout << it->val(); } }; const ll llhuge = 1LL << 60; //十分でかいが多少足しても溢れない数値 auto gmax(const auto& a, const auto& b) { return a > b ? a : b; }; auto gmin(const auto& a, const auto& b) { return a < b ? a : b; }; template<class T, class U> bool chmin(T& a, const U& b) { const T olda = a; a = gmin(a, b); return olda != a; } template<class T, class U> bool chmax(T& a, const U& b) { const T olda = a; a = gmax(a, b); return olda != a; } template<class T> void mysort(T& v) { std::sort(begin(v), end(v)); }; template<class T, class U> void mysort(T& v, U pr) { std::sort(begin(v), end(v), pr); }; template<class T> void myrev(T& v) { std::reverse(begin(v), end(v)); }; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); ll n, l, r; cin >> n >> l >> r; VLI(a, n); mysort(a, [](const ll& a, const ll& b) {return abs(a) < abs(b); }); ll ans = 1; if (r < 0) { //最大で2 REP(i, n) { REP(j, n) { if (i == j) continue; if (a[i] * a[j] < l) continue; if (a[i] * a[j] > r) continue; chmax(ans, 2); } } } else if (l > 0) { REP(i, n) { ll tmin = a[i]; ll tmax = a[i]; ll count = 1; REP(j, n) { if (i == j) continue; if (tmin * a[j] < l) continue; if (tmin * a[j] > r) continue; if (tmax * a[j] < l) continue; if (tmax * a[j] > r) continue; chmin(tmin, a[j]); chmax(tmax, a[j]); count++; } chmax(ans, count); } } else { REP(i, n) { ll tpmax = -1; ll tmmin = 0; if (a[i] < 0) { chmin(tmmin, a[i]); } else { chmax(tpmax, a[i]); } ll count = 1; REP(j, n) { if (i == j) continue; if (a[j] < 0) { if (tmmin * a[j] > r) continue; if (tpmax * a[j] < l) continue; chmin(tmmin, a[j]); } else { if (tpmax * a[j] > r) continue; if (tmmin * a[j] < l) continue; chmax(tpmax, a[j]); } count++; } chmax(ans, count); } } cout << ans << endl; }