#551476 (C++17) No.1226 I hate Robot Arms

提出ソース
結果

問題	No.1226 I hate Robot Arms
コンテスト
ユーザー	NyaanNyaan
提出日時	2020-09-11 22:01:35
言語	C++17 (gcc 13.3.0 + boost 1.87.0)
結果	AC
実行時間	407 ms / 2,000 ms
コード長	11,261 bytes
コンパイル時間	4,275 ms
コンパイル使用メモリ	305,888 KB
最終ジャッジ日時	2025-01-14 10:29:54
ジャッジサーバーID （参考情報）	judge2 / judge2
このコードへのチャレンジ
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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

raw source code
#pragma region kyopro_template
#define Nyaan_template
#include <immintrin.h>
#include <bits/stdc++.h>
#define pb push_back
#define eb emplace_back
#define fi first
#define se second
#define each(x, v) for (auto &x : v)
#define all(v) (v).begin(), (v).end()
#define sz(v) ((int)(v).size())
#define mem(a, val) memset(a, val, sizeof(a))
#define ini(...)   \
  int __VA_ARGS__; \
  in(__VA_ARGS__)
#define inl(...)         \
  long long __VA_ARGS__; \
  in(__VA_ARGS__)
#define ins(...)      \
  string __VA_ARGS__; \
  in(__VA_ARGS__)
#define inc(...)    \
  char __VA_ARGS__; \
  in(__VA_ARGS__)
#define in2(s, t)                           \
  for (int i = 0; i < (int)s.size(); i++) { \
    in(s[i], t[i]);                         \
  }
#define in3(s, t, u)                        \
  for (int i = 0; i < (int)s.size(); i++) { \
    in(s[i], t[i], u[i]);                   \
  }
#define in4(s, t, u, v)                     \
  for (int i = 0; i < (int)s.size(); i++) { \
    in(s[i], t[i], u[i], v[i]);             \
  }
#define rep(i, N) for (long long i = 0; i < (long long)(N); i++)
#define repr(i, N) for (long long i = (long long)(N)-1; i >= 0; i--)
#define rep1(i, N) for (long long i = 1; i <= (long long)(N); i++)
#define repr1(i, N) for (long long i = (N); (long long)(i) > 0; i--)
#define reg(i, a, b) for (long long i = (a); i < (b); i++)
#define die(...)      \
  do {                \
    out(__VA_ARGS__); \
    return;           \
  } while (0)
using namespace std;
using ll = long long;
template <class T>
using V = vector<T>;
using vi = vector<int>;
using vl = vector<long long>;
using vvi = vector<vector<int>>;
using vd = V<double>;
using vs = V<string>;
using vvl = vector<vector<long long>>;
using P = pair<long long, long long>;
using vp = vector<P>;
using pii = pair<int, int>;
using vpi = vector<pair<int, int>>;
constexpr int inf = 1001001001;
constexpr long long infLL = (1LL << 61) - 1;
template <typename T, typename U>
inline bool amin(T &x, U y) {
  return (y < x) ? (x = y, true) : false;
}
template <typename T, typename U>
inline bool amax(T &x, U y) {
  return (x < y) ? (x = y, true) : false;
}
template <typename T, typename U>
ostream &operator<<(ostream &os, const pair<T, U> &p) {
  os << p.first << " " << p.second;
  return os;
}
template <typename T, typename U>
istream &operator>>(istream &is, pair<T, U> &p) {
  is >> p.first >> p.second;
  return is;
}
template <typename T>
ostream &operator<<(ostream &os, const vector<T> &v) {
  int s = (int)v.size();
  for (int i = 0; i < s; i++) os << (i ? " " : "") << v[i];
  return os;
}
template <typename T>
istream &operator>>(istream &is, vector<T> &v) {
  for (auto &x : v) is >> x;
  return is;
}
void in() {}
template <typename T, class... U>
void in(T &t, U &... u) {
  cin >> t;
  in(u...);
}
void out() { cout << "\n"; }
template <typename T, class... U>
void out(const T &t, const U &... u) {
  cout << t;
  if (sizeof...(u)) cout << " ";
  out(u...);
}

#ifdef NyaanDebug
#define trc(...)                   \
  do {                             \
    cerr << #__VA_ARGS__ << " = "; \
    dbg_out(__VA_ARGS__);          \
  } while (0)
#define trca(v, N)       \
  do {                   \
    cerr << #v << " = "; \
    array_out(v, N);     \
  } while (0)
#define trcc(v)                             \
  do {                                      \
    cerr << #v << " = {";                   \
    each(x, v) { cerr << " " << x << ","; } \
    cerr << "}" << endl;                    \
  } while (0)
template <typename T>
void _cout(const T &c) {
  cerr << c;
}
void _cout(const int &c) {
  if (c == 1001001001)
    cerr << "inf";
  else if (c == -1001001001)
    cerr << "-inf";
  else
    cerr << c;
}
void _cout(const unsigned int &c) {
  if (c == 1001001001)
    cerr << "inf";
  else
    cerr << c;
}
void _cout(const long long &c) {
  if (c == 1001001001 || c == (1LL << 61) - 1)
    cerr << "inf";
  else if (c == -1001001001 || c == -((1LL << 61) - 1))
    cerr << "-inf";
  else
    cerr << c;
}
void _cout(const unsigned long long &c) {
  if (c == 1001001001 || c == (1LL << 61) - 1)
    cerr << "inf";
  else
    cerr << c;
}
template <typename T, typename U>
void _cout(const pair<T, U> &p) {
  cerr << "{ ";
  _cout(p.fi);
  cerr << ", ";
  _cout(p.se);
  cerr << " } ";
}
template <typename T>
void _cout(const vector<T> &v) {
  int s = v.size();
  cerr << "{ ";
  for (int i = 0; i < s; i++) {
    cerr << (i ? ", " : "");
    _cout(v[i]);
  }
  cerr << " } ";
}
template <typename T>
void _cout(const vector<vector<T>> &v) {
  cerr << "[ ";
  for (const auto &x : v) {
    cerr << endl;
    _cout(x);
    cerr << ", ";
  }
  cerr << endl << " ] ";
}
void dbg_out() { cerr << endl; }
template <typename T, class... U>
void dbg_out(const T &t, const U &... u) {
  _cout(t);
  if (sizeof...(u)) cerr << ", ";
  dbg_out(u...);
}
template <typename T>
void array_out(const T &v, int s) {
  cerr << "{ ";
  for (int i = 0; i < s; i++) {
    cerr << (i ? ", " : "");
    _cout(v[i]);
  }
  cerr << " } " << endl;
}
template <typename T>
void array_out(const T &v, int H, int W) {
  cerr << "[ ";
  for (int i = 0; i < H; i++) {
    cerr << (i ? ", " : "");
    array_out(v[i], W);
  }
  cerr << " ] " << endl;
}
#else
#define trc(...)
#define trca(...)
#define trcc(...)
#endif

inline int popcnt(unsigned long long a) { return __builtin_popcountll(a); }
inline int lsb(unsigned long long a) { return __builtin_ctzll(a); }
inline int msb(unsigned long long a) { return 63 - __builtin_clzll(a); }
template <typename T>
inline int getbit(T a, int i) {
  return (a >> i) & 1;
}
template <typename T>
inline void setbit(T &a, int i) {
  a |= (1LL << i);
}
template <typename T>
inline void delbit(T &a, int i) {
  a &= ~(1LL << i);
}
template <typename T>
int lb(const vector<T> &v, const T &a) {
  return lower_bound(begin(v), end(v), a) - begin(v);
}
template <typename T>
int ub(const vector<T> &v, const T &a) {
  return upper_bound(begin(v), end(v), a) - begin(v);
}
template <typename T>
int btw(T a, T x, T b) {
  return a <= x && x < b;
}
template <typename T, typename U>
T ceil(T a, U b) {
  return (a + b - 1) / b;
}
constexpr long long TEN(int n) {
  long long ret = 1, x = 10;
  while (n) {
    if (n & 1) ret *= x;
    x *= x;
    n >>= 1;
  }
  return ret;
}
template <typename T>
vector<T> mkrui(const vector<T> &v) {
  vector<T> ret(v.size() + 1);
  for (int i = 0; i < int(v.size()); i++) ret[i + 1] = ret[i] + v[i];
  return ret;
};
template <typename T>
vector<T> mkuni(const vector<T> &v) {
  vector<T> ret(v);
  sort(ret.begin(), ret.end());
  ret.erase(unique(ret.begin(), ret.end()), ret.end());
  return ret;
}
template <typename F>
vector<int> mkord(int N, F f) {
  vector<int> ord(N);
  iota(begin(ord), end(ord), 0);
  sort(begin(ord), end(ord), f);
  return ord;
}
template <typename T = int>
vector<T> mkiota(int N) {
  vector<T> ret(N);
  iota(begin(ret), end(ret), 0);
  return ret;
}
template <typename T>
vector<int> mkinv(vector<T> &v) {
  vector<int> inv(v.size());
  for (int i = 0; i < (int)v.size(); i++) inv[v[i]] = i;
  return inv;
}

struct IoSetupNya {
  IoSetupNya() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    cout << fixed << setprecision(15);
    cerr << fixed << setprecision(7);
  }
} iosetupnya;

void solve();
int main() { solve(); }

#pragma endregion
//#include "math/matrix-fast.hpp"
using namespace std;

template <typename T, typename F>
struct SegmentTree {
  int size;
  vector<T> seg;
  const F func;
  const T UNIT;

  SegmentTree(int N, F func, T UNIT) : func(func), UNIT(UNIT) {
    size = 1;
    while (size < N) size <<= 1;
    seg.assign(2 * size, UNIT);
  }

  SegmentTree(const vector<T> &v, F func, T UNIT) : func(func), UNIT(UNIT) {
    int N = (int)v.size();
    size = 1;
    while (size < N) size <<= 1;
    seg.assign(2 * size, UNIT);
    for (int i = 0; i < N; i++) {
      seg[i + size] = v[i];
    }
    build();
  }

  void set(int k, T x) { seg[k + size] = x; }

  void build() {
    for (int k = size - 1; k > 0; k--) {
      seg[k] = func(seg[2 * k], seg[2 * k + 1]);
    }
  }

  void update(int k, T x) {
    k += size;
    seg[k] = x;
    while (k >>= 1) {
      seg[k] = func(seg[2 * k], seg[2 * k + 1]);
    }
  }

  void add(int k, T x) {
    k += size;
    seg[k] += x;
    while (k >>= 1) {
      seg[k] = func(seg[2 * k], seg[2 * k + 1]);
    }
  }

  // query to [a, b)
  T query(int a, int b) {
    T L = UNIT, R = UNIT;
    for (a += size, b += size; a < b; a >>= 1, b >>= 1) {
      if (a & 1) L = func(L, seg[a++]);
      if (b & 1) R = func(seg[--b], R);
    }
    return func(L, R);
  }

  T &operator[](const int &k) { return seg[k + size]; }

  template <typename C>
  int find_subtree(int a, const C &check, T &M, bool type) {
    while (a < size) {
      T nxt = type ? func(seg[2 * a + type], M) : func(M, seg[2 * a + type]);
      if (check(nxt))
        a = 2 * a + type;
      else
        M = nxt, a = 2 * a + 1 - type;
    }
    return a - size;
  }

  template <typename C>
  int find_first(int a, const C &check) {
    T L = UNIT;
    if (a <= 0) {
      if (check(func(L, seg[1]))) return find_subtree(1, check, L, false);
      return -1;
    }
    int b = size;
    for (a += size, b += size; a < b; a >>= 1, b >>= 1) {
      if (a & 1) {
        T nxt = func(L, seg[a]);
        if (check(nxt)) return find_subtree(a, check, L, false);
        L = nxt;
        ++a;
      }
    }
    return -1;
  }

  template <typename C>
  int find_last(int b, const C &check) {
    T R = UNIT;
    if (b >= size) {
      if (check(func(seg[1], R))) return find_subtree(1, check, R, true);
      return -1;
    }
    int a = size;
    for (b += size; a < b; a >>= 1, b >>= 1) {
      if (b & 1) {
        T nxt = func(seg[--b], R);
        if (check(nxt)) return find_subtree(b, check, R, true);
        R = nxt;
      }
    }
    return -1;
  }
};

void solve() {
  ini(N, Q);
  double pi = acos(-1);
  trc(pi);
  using A = array<double, 3>;
  A I = {0, 0, 0};
  auto f = [&](A& a, A& b) {
    if (b == I) return a;
    if (a == I) return b;
    double t = a[2] - a[1] + b[1];
    double x = a[0] + b[0] * cos(t);
    double y = 0 + b[0] * sin(t);
    //out();
    //trc(a[0], a[1], a[2], b[0], b[1], b[2]);
    //trc(x, y);
    //out();
    double d = sqrt(x * x + y * y);
    double theta;
    if (d < 1e-9)
      theta = 0;
    else
      theta = a[1] + atan2(y, x);
    double theta2 = a[2] + b[2];
    if(theta2 >=2 * pi) theta2 -= 2 * pi;
    return A{d, theta, theta2};
  };
  SegmentTree<A, decltype(f)> seg(N, f, I);
  rep(i, N) seg.set(i, A{1, 0, 0});
  seg.build();
  rep(_, Q) {
    ini(c);
    if (c == 0) {
      ini(i, x);
      --i;
      auto cur = seg[i];
      cur[1] = cur[2] = x * pi / 180;
      // cerr<<cur[0]<<" "<<cur[1]<<endl;
      seg.update(i, cur);
    } else if (c == 1) {
      ini(i, x);
      --i;
      auto cur = seg[i];
      cur[0] = x;
      seg.update(i, cur);
    } else {
      ini(i);
      --i;
      auto cur = seg.query(0, i + 1);
      double x = cur[0] * cos(cur[1]);
      double y = cur[0] * sin(cur[1]);
      out(x, y);
    }
  }
  /*
  rep(i, N) {
    auto cur = seg.query(i, i + 1);
    double x = cur[0] * cos(cur[1]);
    double y = cur[0] * sin(cur[1]);
    trc(i, x, y);
  }
  */
}
yukicoder

結果

ソースコード
