結果

問題 No.1226 I hate Robot Arms
ユーザー ゆきのんゆきのん
提出日時 2020-09-22 19:42:55
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
WA  
実行時間 -
コード長 4,097 bytes
コンパイル時間 1,951 ms
コンパイル使用メモリ 176,100 KB
実行使用メモリ 16,128 KB
最終ジャッジ日時 2024-06-26 09:52:37
合計ジャッジ時間 17,926 ms
ジャッジサーバーID
(参考情報)
judge2 / judge1
このコードへのチャレンジ
(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
5,248 KB
testcase_01 WA -
testcase_02 WA -
testcase_03 WA -
testcase_04 WA -
testcase_05 WA -
testcase_06 WA -
testcase_07 WA -
testcase_08 WA -
testcase_09 WA -
testcase_10 WA -
testcase_11 WA -
testcase_12 WA -
testcase_13 WA -
testcase_14 WA -
testcase_15 WA -
testcase_16 WA -
testcase_17 WA -
testcase_18 WA -
testcase_19 WA -
testcase_20 WA -
testcase_21 WA -
testcase_22 WA -
testcase_23 WA -
testcase_24 WA -
testcase_25 WA -
testcase_26 WA -
testcase_27 WA -
testcase_28 WA -
testcase_29 WA -
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp: In lambda function:
main.cpp:127:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions]
  127 |         auto [lx, ly, ls] = l;
      |              ^
main.cpp:128:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions]
  128 |         auto [rx, ry, rs] = r;
      |              ^
main.cpp: In function 'int main()':
main.cpp:144:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions]
  144 |             auto [x, y, sth] = seg[i-1];
      |                  ^
main.cpp:151:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions]
  151 |             auto [x, y, th] = seg[i-1];
      |                  ^

ソースコード

diff #

#include<bits/stdc++.h>
using namespace std;
#define fs first
#define sc second
#define pb push_back
#define mp make_pair
#define eb emplace_back
#define ALL(A) A.begin(),A.end()
#define RALL(A) A.rbegin(),A.rend()
typedef long long ll;
typedef pair<ll,ll> P;
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){return b?gcd(b,a%b):a;}
const ll mod=998244353;
const ll LINF=1ll<<60;
const int INF=1<<30;
int dx[]={1,0,-1,0,1,-1,1,-1};
int dy[]={0,1,0,-1,1,-1,-1,1};



template< typename Monoid, typename F >
struct SegmentTree {
  int sz;
  vector< Monoid > seg;

  const F f;
  const Monoid M1;
  
  SegmentTree(int n, const F f, const Monoid &M1) : f(f), M1(M1) {
    sz = 1;
    while(sz < n) sz <<= 1;
    seg.assign(2 * sz, M1);
  }

  void set(int k, const Monoid &x) {
    seg[k + sz] = x;
  }

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

  void update(int k, const Monoid &x) {
    k += sz;
    seg[k] = x;
    while(k >>= 1) {
      seg[k] = f(seg[2 * k + 0], seg[2 * k + 1]);
    }
  }

  Monoid query(int a, int b) {
    Monoid L = M1, R = M1;
    for(a += sz, b += sz; 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);
  }

  Monoid operator[](const int &k) const {
    return seg[k + sz];
  }

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

  template< typename C >
  int find_first(int a, const C &check) {
    Monoid L = M1;
    if(a <= 0) {
      if(check(f(L, seg[1]))) return find_subtree(1, check, L, false);
      return -1;
    }
    int b = sz;
    for(a += sz, b += sz; a < b; a >>= 1, b >>= 1) {
      if(a & 1) {
        Monoid nxt = f(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) {
    Monoid R = M1;
    if(b >= sz) {
      if(check(f(seg[1], R))) return find_subtree(1, check, R, true);
      return -1;
    }
    int a = sz;
    for(b += sz; a < b; a >>= 1, b >>= 1) {
      if(b & 1) {
        Monoid nxt = f(seg[--b], R);
        if(check(nxt)) return find_subtree(b, check, R, true);
        R = nxt;
      }
    }
    return -1;
  }
};

template< typename Monoid, typename F >
SegmentTree< Monoid, F > get_segment_tree(int N, const F& f, const Monoid& M1) {
  return {N, f, M1};
}

using S = tuple<long double, long double, long double>;


int main(){
    int n,q;cin >> n >> q;
    auto f = [](S l, S r){
        auto [lx, ly, ls] = l;
        auto [rx, ry, rs] = r;
        long double xx = rx * cos(ls) - ry * sin(ls), yy = rx * sin(ls) + ry * cos(ls);
        long double nx = lx + xx, ny = ly + yy, ns = ls + rs;
        return S{nx, ny, ns};
    };
    auto seg = get_segment_tree(n, f, S{0.0, 0.0, 0.0});
    for (int i = 0; i < n; i++) {
        seg.update(i, {0.0, 1.0, 0.0});
    }
    seg.build();
    while(q--){
        int t;cin >> t;
        if(t == 0){
            int i;cin >> i;
            long double th;cin >> th;
            th = th / 180 * acosl(-1);
            auto [x, y, sth] = seg[i-1];
            long double r = sqrt(x * x + y * y);
            seg.update(i-1, {r * cos(th), r * sin(th), th});
        }
        else if(t == 1){
            int i;cin >> i;
            long double r;cin >> r;
            auto [x, y, th] = seg[i-1];
            seg.update(i-1, {r * cos(th), r * sin(th), th});
        }
        else{
            int i;cin >> i;
            auto t = seg.query(0, i);
            cout << setprecision(30) << fixed << get<0>(t) << " " << get<1>(t) << endl;
        }
    }
    return 0;
}
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