結果
問題 | No.1625 三角形の質問 |
ユーザー | sak |
提出日時 | 2021-07-23 11:25:55 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2,810 ms / 6,000 ms |
コード長 | 11,372 bytes |
コンパイル時間 | 12,166 ms |
コンパイル使用メモリ | 560,484 KB |
実行使用メモリ | 245,732 KB |
最終ジャッジ日時 | 2024-07-18 16:43:36 |
合計ジャッジ時間 | 46,981 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 176 ms
27,392 KB |
testcase_02 | AC | 1,014 ms
122,592 KB |
testcase_03 | AC | 952 ms
120,688 KB |
testcase_04 | AC | 697 ms
102,816 KB |
testcase_05 | AC | 1,428 ms
147,248 KB |
testcase_06 | AC | 2,810 ms
245,660 KB |
testcase_07 | AC | 2,470 ms
245,452 KB |
testcase_08 | AC | 2,519 ms
245,732 KB |
testcase_09 | AC | 2,448 ms
245,644 KB |
testcase_10 | AC | 2,468 ms
245,588 KB |
testcase_11 | AC | 2,481 ms
245,628 KB |
testcase_12 | AC | 2,415 ms
245,660 KB |
testcase_13 | AC | 2,437 ms
245,632 KB |
testcase_14 | AC | 2,493 ms
245,544 KB |
testcase_15 | AC | 2,456 ms
245,580 KB |
testcase_16 | AC | 504 ms
137,084 KB |
testcase_17 | AC | 767 ms
152,484 KB |
testcase_18 | AC | 858 ms
133,140 KB |
testcase_19 | AC | 949 ms
173,324 KB |
ソースコード
/* 二次元セグ木持ってなくてnullさんのコード使ってます...😭 (入力形式のチェックのため) */ #include <cstdio> #include <algorithm> #include <string> #include <cmath> #include <cstring> #include <vector> #include <numeric> #include <iostream> #include <random> #include <map> #include <unordered_map> #include <queue> #include <regex> #include <functional> #include <complex> #include <list> #include <cassert> #include <iomanip> #include <set> #include <stack> #include <bitset> #include <array> #include <chrono> //#pragma GCC target("arch=skylake-avx512") //#pragma GCC target("avx2") //#pragma GCC optimize("O3") //#pragma GCC optimize("Ofast") //#pragma GCC target("sse4") //#pragma GCC optimize("unroll-loops") //#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #define repeat(i, n, m) for(int i = n; i < (m); ++i) #define rep(i, n) for(int i = 0; i < (n); ++i) #define printynl(a) printf(a ? "yes\n" : "no\n") #define printyn(a) printf(a ? "Yes\n" : "No\n") #define printYN(a) printf(a ? "YES\n" : "NO\n") #define printim(a) printf(a ? "possible\n" : "imposible\n") #define printdb(a) printf("%.50lf\n", a) #define printLdb(a) printf("%.50Lf\n", a) #define printdbd(a) printf("%.16lf\n", a) #define prints(s) printf("%s\n", s.c_str()) #define all(x) (x).begin(), (x).end() #define deg_to_rad(deg) (((deg)/360.0L)*2.0L*PI) #define rad_to_deg(rad) (((rad)/2.0L/PI)*360.0L) #define Please return #define AC 0 #define manhattan_dist(a, b, c, d) (abs(a - c) + abs(b - d)) using ll = long long; using ull = unsigned long long; constexpr int INF = 1073741823; constexpr int MINF = -1073741823; constexpr ll LINF = ll(4661686018427387903); constexpr ll MOD = 1e9 + 7; constexpr ll mod = 998244353; constexpr long double eps = 1e-6; const long double PI = acosl(-1.0L); using namespace std; void scans(string& str) { char c; str = ""; scanf("%c", &c); if (c == '\n')scanf("%c", &c); while (c != '\n' && c != -1 && c != ' ') { str += c; scanf("%c", &c); } } void scanc(char& str) { char c; scanf("%c", &c); if (c == -1)return; while (c == '\n') { scanf("%c", &c); } str = c; } double acot(double x) { return PI / 2 - atan(x); } ll LSB(ll n) { return (n & (-n)); } template<typename T> inline T chmin(T& a, const T& b) { if (a > b)a = b; return a; } template<typename T> inline T chmax(T& a, const T& b) { if (a < b)a = b; return a; } //cpp_int #if __has_include(<boost/multiprecision/cpp_int.hpp>) #include <boost/multiprecision/cpp_int.hpp> #include <boost/multiprecision/cpp_dec_float.hpp> using namespace boost::multiprecision; #else using cpp_int = ll; #endif //atcoder library #if __has_include(<atcoder/all>) #include <atcoder/all> //using namespace atcoder; #endif /* random_device seed_gen; mt19937 engine(seed_gen()); uniform_int_distribution dist(1, 100); */ /*----------------------------------------------------------------------------------*/ /* * @title segment-tree * @docs kyopro/docs/segtree.md */ //セグ木/0-indexed/非再帰/(大きさ, 単位元)で初期化 template<typename T, typename F> struct segtree { //木を配列であらわしたもの vector<T> seg; //木の1/2の大きさ int siz; //単位元 const T e; ////比較関数の型 //using F = function<T(T, T)>; //マージする関数 const F f; //n の大きさ, a (単位元) で segtree を初期化する segtree(int n, const T a, const F f) : e(a), f(f) { siz = 1; while (siz < n)siz <<= 1; seg.assign(2 * siz - 1, e); --siz; } //k (0-indexed) 番目に t を代入 void set(int k, const T& t) { seg[k + siz] = t; } //f によって木を構築 void build() { for (int i = siz - 1; i >= 0; --i) seg[i] = f(seg[i * 2 + 1], seg[i * 2 + 2]); } //i 番目の要素を返す T operator[](const int i) { return seg[i + siz]; } //k 番目の値を a に更新 void update(int k, T a) { k += siz; //必要であればここを変える seg[k] = a; while (k > 0) { k = ((k - 1) >> 1); seg[k] = f(seg[k * 2 + 1], seg[k * 2 + 2]); } } //[a, b) について f した結果を返す T query(int a, int b) { T l = e, r = e; for (a += siz, b += siz; a < b; a >>= 1, b >>= 1) { if (!(a & 1))l = f(l, seg[a++]); if (!(b & 1))r = f(seg[--b], r); } return f(l, r); } //[start, end) について、[l, r) を調べながら k 番目が check を満たすか二分探索 最後が true なら left, false なら right fの逆演算 template<typename C, typename FT> int find(const int start, const int end, int l, int r, int k, const C check, T& checknum, const bool b, const FT revf) { //cerr << checknum << '\n'; //範囲外またはそこがすでに満たさないとき //cerr << k << ',' << checknum << '\n'; if (start <= l && r <= end && !check(seg[k], checknum)) { checknum = revf(checknum, seg[k]); return -1; } if ((r <= start || l >= end)) { return -1; } //既に葉 if (k >= siz) { return k - siz; } int res; if (b) { //左側を調べる res = find< C, FT >(start, end, l, ((l + r) >> 1), (k << 1) + 1, check, checknum, b, revf); //左側が適してたらそれが答え if (res != -1)return (res); return find< C, FT >(start, end, ((l + r) >> 1), r, (k << 1) + 2, check, checknum, b, revf); } else { //右側を調べる res = find< C, FT >(start, end, ((l + r) >> 1), r, (k << 1) + 2, check, checknum, b, revf); //右側が適してたらそれが答え if (res != -1)return (res); return find< C, FT >(start, end, l, ((l + r) >> 1), (k << 1) + 1, check, checknum, b, revf); } } template<typename C, typename FT> int find_left(int start, int end, const C check, T checknum, FT revf) { return find< C, FT >(start, end, 0, siz + 1, 0, check, checknum, true, revf); } template<typename C, typename FT> int find_right(int start, int end, const C check, T checknum, FT revf) { return find< C, FT >(start, end, 0, siz + 1, 0, check, checknum, false, revf); } }; template<typename T, typename F> segtree<T, F> get_segtree(int n, const T& e, const F& f) { return { n, e, f }; } /* * @title segment-tree-2D * @docs kyopro/docs/segtree_2d.md */ //セグ木/0-indexed/非再帰/(大きさ, 単位元)で初期化 template<typename T, typename F> struct segtree2D { //木を配列であらわしたもの vector<segtree<T, F>> seg; //木の1/2の大きさ int siz; //単位元 const T e; ////比較関数の型 //using F = function<T(T, T)>; //マージする関数 const F f; //座標 vector<vector<int>> pos; //n の大きさ, a (単位元) で segtree を初期化する segtree2D(int n, const T a, const F f) : e(a), f(f) { siz = 1; while (siz < n)siz <<= 1; pos.resize(2 * siz - 1); --siz; } //座標 (x, y) を準備 void preset(int x, int y) { x += siz; pos[x].push_back(y); while (x > 0) { x = (x - 1) >> 1; pos[x].push_back(y); } } //f によって木を構築 void build() { for (auto& aa : pos) { sort(all(aa)); aa.erase(unique(all(aa)), aa.end()); } for (const auto& aa : pos) { seg.emplace_back(get_segtree(aa.size(), e, f)); seg.back().build(); } } //(x, y) の値を a に更新 void update(int x, int y, T a) { x += siz; seg[x].update(distance(pos[x].begin(), lower_bound(all(pos[x]), y)), f(seg[x][distance(pos[x].begin(), lower_bound(all(pos[x]), y))], a)); while (x > 0) { x = ((x - 1) >> 1); seg[x].update(distance(pos[x].begin(), lower_bound(all(pos[x]), y)), f(seg[x][distance(pos[x].begin(), lower_bound(all(pos[x]), y))], a)); } } //x: [a, b) y: [x, y) について f した結果を返す T query(int a, int b, int x, int y) { T l = e, r = e; for (a += siz, b += siz; a < b; a >>= 1, b >>= 1) { if (!(a & 1)) { l = f(l, seg[a].query(distance(pos[a].begin(), lower_bound(all(pos[a]), x)), distance(pos[a].begin(), lower_bound(all(pos[a]), y)))); ++a; } if (!(b & 1)) { --b; r = f(seg[b].query(distance(pos[b].begin(), lower_bound(all(pos[b]), x)), distance(pos[b].begin(), lower_bound(all(pos[b]), y))), r); } } return f(l, r); } }; template<typename T, typename F> segtree2D<T, F> get_segtree2D(int n, const T& e, const F& f) { return { n, e, f }; } #include "testlib.h" int main(int argc, char **argv) { registerValidation(argc, argv); int n, q; n = inf.readInt(1, 100000); inf.readSpace(); q = inf.readInt(1, 100000); inf.readEoln(); assert(1<=n && n<=2*pow(10,5)); assert(1<=q && q<=2*pow(10,5)); vector<tuple<ll, int, int>> t(n), query(q); for (auto& [s, l, r] : t) { ll a, b, c, d, e, f; a = inf.readInt(1, 1000000000); inf.readSpace(); b = inf.readInt(1, 1000000000); inf.readSpace(); c = inf.readInt(1, 1000000000); inf.readSpace(); d = inf.readInt(1, 1000000000); inf.readSpace(); e = inf.readInt(1, 1000000000); inf.readSpace(); f = inf.readInt(1, 1000000000); inf.readEoln(); assert(1<=a && a<=pow(10,9)); assert(1<=b && b<=pow(10,9)); assert(1<=c && c<=pow(10,9)); assert(1<=d && d<=pow(10,9)); assert(1<=e && e<=pow(10,9)); assert(1<=f && f<=pow(10,9)); s = abs((a - e) * (d - f) - (c - e) * (b - f)); l = (int)min({ a, c, e }); r = (int)max({ a, c, e }); } for (auto& [s, l, r] : query) { int t; t = inf.readInt(1, 2); inf.readSpace(); assert(t==1 || t==2); if (t == 2) { l = inf.readInt(1, 1000000000); inf.readSpace(); r = inf.readInt(l, 1000000000); inf.readEoln(); assert(1<=l && l<=r && r<=pow(10,9)); s = 0; ++r; } else { ll a, b, c, d, e, f; a = inf.readInt(1, 1000000000); inf.readSpace(); b = inf.readInt(1, 1000000000); inf.readSpace(); c = inf.readInt(1, 1000000000); inf.readSpace(); d = inf.readInt(1, 1000000000); inf.readSpace(); e = inf.readInt(1, 1000000000); inf.readSpace(); f = inf.readInt(1, 1000000000); inf.readEoln(); assert(1<=a && a<=pow(10,9)); assert(1<=b && b<=pow(10,9)); assert(1<=c && c<=pow(10,9)); assert(1<=d && d<=pow(10,9)); assert(1<=e && e<=pow(10,9)); assert(1<=f && f<=pow(10,9)); s = abs((a - e) * (d - f) - (c - e) * (b - f)); l = (int)min({ a, c, e }); r = (int)max({ a, c, e }); } } int siz = 0; //zaatsu { vector<int> x; for (const auto& [s, l, r] : t) { x.push_back(l); x.push_back(r); } for (const auto& [s, l, r] : query) { x.push_back(l); x.push_back(r); } sort(all(x)); x.erase(unique(all(x)), x.end()); for (auto& [s, l, r] : t) { l = distance(x.begin(), lower_bound(all(x), l)); r = distance(x.begin(), lower_bound(all(x), r)); } for (auto& [s, l, r] : query) { l = distance(x.begin(), lower_bound(all(x), l)); r = distance(x.begin(), lower_bound(all(x), r)); } siz = x.size(); } auto seg = get_segtree2D(siz, -1ll, [](ll a, ll b) {return max(a, b); }); for (const auto& [s, l, r] : t) { seg.preset(l, r); } for (const auto& [s, l, r] : query) { seg.preset(l, r); } seg.build(); for (const auto& [s, l, r] : t) { seg.update(l, r, s); } for (const auto& [s, l, r] : query) { if (s) { seg.update(l, r, s); } else { printf("%lld\n", seg.query(l, r, l, r)); } } inf.readEof(); Please AC; }