結果
問題 | No.878 Range High-Element Query |
ユーザー | kotamanegi |
提出日時 | 2019-09-06 22:26:57 |
言語 | C++17(clang) (17.0.6 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 220 ms / 2,000 ms |
コード長 | 3,701 bytes |
コンパイル時間 | 1,508 ms |
コンパイル使用メモリ | 155,488 KB |
実行使用メモリ | 55,148 KB |
最終ジャッジ日時 | 2024-11-30 14:53:21 |
合計ジャッジ時間 | 4,479 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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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 | 9 ms
48,476 KB |
testcase_01 | AC | 11 ms
46,444 KB |
testcase_02 | AC | 11 ms
48,612 KB |
testcase_03 | AC | 10 ms
48,488 KB |
testcase_04 | AC | 12 ms
48,480 KB |
testcase_05 | AC | 11 ms
46,436 KB |
testcase_06 | AC | 11 ms
48,476 KB |
testcase_07 | AC | 10 ms
48,484 KB |
testcase_08 | AC | 11 ms
46,444 KB |
testcase_09 | AC | 11 ms
46,568 KB |
testcase_10 | AC | 11 ms
46,564 KB |
testcase_11 | AC | 220 ms
53,740 KB |
testcase_12 | AC | 157 ms
54,384 KB |
testcase_13 | AC | 169 ms
52,716 KB |
testcase_14 | AC | 136 ms
51,812 KB |
testcase_15 | AC | 159 ms
53,744 KB |
testcase_16 | AC | 200 ms
55,024 KB |
testcase_17 | AC | 212 ms
55,020 KB |
testcase_18 | AC | 208 ms
55,148 KB |
ソースコード
/* This Submission is to determine how many 120/240 min const. delivery point there are. //info 120 req. steps <= 5 */ #define _CRT_SECURE_NO_WARNINGS #include <stdio.h> #include <algorithm> #include <utility> #include <functional> #include <cstring> #include <queue> #include <stack> #include <math.h> #include <iterator> #include <vector> #include <string> #include <set> #include <math.h> #include <iostream> #include <random> #include<map> #include <iomanip> #include <time.h> #include <stdlib.h> #include <list> #include <typeinfo> #include <list> #include <set> #include <cassert> #include<fstream> #include <unordered_map> #include <cstdlib> #include <complex> #include <cctype> #include <bitset> using namespace std; typedef string::const_iterator State; #define Ma_PI 3.141592653589793 #define eps 1e-5 #define LONG_INF 1e18 #define GOLD 1.61803398874989484820458 #define MAX_MOD 1000000007LL #define MOD 998244353LL #define seg_size 262144 #define REP(a,b) for(long long a = 0;a < b;++a) unsigned long xor128() { static unsigned long x = time(NULL), y = 362436069, z = 521288629, w = 88675123; unsigned long t = (x ^ (x << 11)); x = y; y = z; z = w; return (w = (w ^ (w >> 19)) ^ (t ^ (t >> 8))); } double dot(complex<double> a, complex<double> b) { return a.real() * b.real() + a.imag() * b.imag(); } double gyaku_dot(complex<double> a, complex<double> b) { return a.real() * b.imag() - a.imag() * b.real(); } double leng(complex<double> a) { return sqrt(a.real() * a.real() + a.imag() * a.imag()); } double angles(complex<double> a, complex<double> b) { double cosine = dot(a, b) / (leng(a) * leng(b)); double sine = gyaku_dot(a, b) / (leng(a) * leng(b)); double kaku = acos(min((double)1.0, max((double)-1.0, cosine))); if (sine <= 0) { kaku = 2 * Ma_PI - kaku; } return kaku; } vector<int> convex_hull(vector<complex<double>> a) { vector<int> ans; double now_minnest = a[0].real(); int now_itr = 0; REP(i, a.size()) { if (now_minnest > a[i].real()) { now_minnest = a[i].real(); now_itr = i; } } ans.push_back(now_itr); complex<double> ba(0, 1); while (true) { int now_go = 0; double now_min = 0; double now_length = 0; int starter = ans[ans.size() - 1]; for (int i = 0; i < a.size(); ++i) { if (i != starter) { double goa = angles(ba, a[i] - a[starter]); if (goa - now_min >= eps || (abs(goa - now_min) <= eps && (abs(a[i] - a[starter]) - now_length) >= eps)) { now_min = goa; now_go = i; now_length = abs(a[i] - a[starter]); } } } if (now_go == ans[0]) break; ans.push_back(now_go); ba = complex<double>(a[now_go] - a[starter]); } return ans; } long long dp[30][200000]; int main() { //セグ木ってなんだっけ? //ダブリングしましょう iostream::sync_with_stdio(false); cin.tie(0); int n, query; cin >> n >> query; REP(i, 30) { dp[i][n] = n; } vector<pair<long long, long long>> base_data; REP(i, n) { long long a; cin >> a; base_data.push_back(make_pair(a, i)); } sort(base_data.begin(), base_data.end()); reverse(base_data.begin(), base_data.end()); set<long long> geko; geko.insert(n); for (int i = 0; i < base_data.size(); ++i) { auto A = geko.lower_bound(base_data[i].second); dp[0][base_data[i].second] = *A; geko.insert(base_data[i].second); } for (int i = 1; i < 30; ++i) { for (int q = 0; q < n; ++q) { dp[i][q] = dp[i - 1][dp[i - 1][q]]; } } REP(i, query) { int a, b; cin >> a >> a >> b; a--; b--; int ans = 0; while (a <= b) { for (int q = 0; q < 30; ++q) { if (dp[q][a] > b) { int move = max(q - 1, 0); ans += 1 << move; a = dp[move][a]; break; } } } cout << ans << endl; } }