結果

問題 No.1226 I hate Robot Arms
ユーザー jupiro
提出日時 2020-09-13 19:57:15
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 475 ms / 2,000 ms
コード長 4,112 bytes
コンパイル時間 1,546 ms
コンパイル使用メモリ 136,520 KB
最終ジャッジ日時 2025-01-14 14:33:46
ジャッジサーバーID
（参考情報） 		judge4 / judge4
このコードへのチャレンジ
（要ログイン）
ファイルパターン 結果
sample AC * 2
other AC * 28
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#include <iostream>
#include <string>
#include <sstream>
#include <stack>
#include <algorithm>
#include <cmath>
#include <queue>
#include <bitset>
#include <iomanip>
#include <limits>
#include <chrono>
#include <random>
#include <array>
#include <unordered_map>
#include <functional>
#include <complex>
#include <numeric>
#include <cctype>
#include <map>
#include <set>
#include <cstdlib>
#include <bitset>
#include <tuple>
#include <assert.h>
#include <deque>
#include <utility>
#include <fstream>
using namespace std;
typedef long long ll;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
template<typename T> T gcd(T a, T b) { a = abs(a), b = abs(b); while (b > 0) { tie(a, b) = make_pair(b, a % b); } return a; }
//mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
constexpr long long INF = 1LL << 60;
constexpr int inf = 1000000007;
constexpr long long mod = 1000000007LL;
constexpr int MAX = 5000000;
using Real = long double;
using Point = complex<Real>;
Point f(Point a, Point b) {
    return a + b;
}
Point g(Point a, Point b) {
    return a * b;
}
Point h(Point a, Point b) {
    return a * b;
}
template< typename Monoid, typename OperatorMonoid = Monoid >
struct LazySegmentTree {
    /*
    using F = function< Monoid(Monoid, Monoid) >;
    using G = function< Monoid(Monoid, OperatorMonoid) >;
    using H = function< OperatorMonoid(OperatorMonoid, OperatorMonoid) >;
    */
    int sz, height;
    vector< Monoid > data;
    vector< OperatorMonoid > lazy;
    /*
    const F f;
    const G g;
    const H h;
    */
    const Monoid M1;
    const OperatorMonoid OM0;
    LazySegmentTree(int n, /*const F f, const G g, const H h,*/
        const Monoid& M1, const OperatorMonoid OM0)
        : /*f(f), g(g), h(h),*/ M1(M1), OM0(OM0) {
        sz = 1;
        height = 0;
        while (sz < n) sz <<= 1, height++;
        data.assign(2 * sz, M1);
        lazy.assign(2 * sz, OM0);
    }
    void set(int k, const Monoid& x) {
        data[k + sz] = x;
    }
    void build() {
        for (int k = sz - 1; k > 0; k--) {
            data[k] = f(data[2 * k + 0], data[2 * k + 1]);
        }
    }
    inline void propagate(int k) {
        if (lazy[k] != OM0) {
            lazy[2 * k + 0] = h(lazy[2 * k + 0], lazy[k]);
            lazy[2 * k + 1] = h(lazy[2 * k + 1], lazy[k]);
            data[k] = reflect(k);
            lazy[k] = OM0;
        }
    }
    inline Monoid reflect(int k) {
        return lazy[k] == OM0 ? data[k] : g(data[k], lazy[k]);
    }
    inline void recalc(int k) {
        while (k >>= 1) data[k] = f(reflect(2 * k + 0), reflect(2 * k + 1));
    }
    inline void thrust(int k) {
        for (int i = height; i > 0; i--) propagate(k >> i);
    }
    void update(int a, int b, const OperatorMonoid& x) {
        if (a >= b) return;
        thrust(a += sz);
        thrust(b += sz - 1);
        for (int l = a, r = b + 1; l < r; l >>= 1, r >>= 1) {
            if (l & 1) lazy[l] = h(lazy[l], x), ++l;
            if (r & 1) --r, lazy[r] = h(lazy[r], x);
        }
        recalc(a);
        recalc(b);
    }
    Monoid query(int a, int b) {
        if (a >= b) return M1;
        thrust(a += sz);
        thrust(b += sz - 1);
        Monoid L = M1, R = M1;
        for (int l = a, r = b + 1; l < r; l >>= 1, r >>= 1) {
            if (l & 1) L = f(L, reflect(l++));
            if (r & 1) R = f(reflect(--r), R);
        }
        return f(L, R);
    }
    Monoid operator[](const int& k) {
        return query(k, k + 1);
    }
};
int main()
{
    /*
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    */
    int n, kkt; cin >> n >> kkt;
    LazySegmentTree<Point, Point> lsg(n, Point(0, 0), Point(1, 0));
    vector<Real> deg(n);
    vector<Real> len(n, 1.0);
    for (int i = 0; i < n; i++) {
        lsg.set(i, Point(1, 0));
    }
    lsg.build();
    while (kkt--) {
        int t; cin >> t;
        if (t == 0) {
            int i, x; cin >> i >> x; i--;
            if (x > 180) x = -(360 - x);
            Real cur = (Real)x * acos(-1) / 180.0;
            Real b = cur - deg[i];
            lsg.update(i, n, polar((Real)1.0, b));
            deg[i] = cur;
        }
        if (t == 1) {
            int i, x; cin >> i >> x; i--;
            Real b = (Real)x / len[i];
            lsg.update(i, i + 1, Point(b, 0));
            len[i] = x;
        }
        if (t == 2) {
            int i; cin >> i;
            auto res = lsg.query(0, i);
            cout << fixed << setprecision(12) << res.real() << " " << res.imag() << "\n";
        }
    }
    return 0;
}
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
0