結果
| 問題 |
No.1226 I hate Robot Arms
|
| コンテスト | |
| ユーザー |
rniya
|
| 提出日時 | 2020-09-11 21:56:13 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 197 ms / 2,000 ms |
| コード長 | 5,582 bytes |
| コンパイル時間 | 1,318 ms |
| コンパイル使用メモリ | 171,468 KB |
| 実行使用メモリ | 13,552 KB |
| 最終ジャッジ日時 | 2025-01-01 21:00:33 |
| 合計ジャッジ時間 | 10,307 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 28 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
#define LOCAL
#pragma region Macros
typedef long long ll;
#define ALL(x) (x).begin(),(x).end()
const long long MOD=1000000007;
// const long long MOD=998244353;
const int INF=1e9;
const long long IINF=1e18;
const int dx[4]={1,0,-1,0},dy[4]={0,1,0,-1};
const char dir[4]={'D','R','U','L'};
template<typename T>
istream &operator>>(istream &is,vector<T> &v){
for (T &x:v) is >> x;
return is;
}
template<typename T>
ostream &operator<<(ostream &os,const vector<T> &v){
for (int i=0;i<v.size();++i){
os << v[i] << (i+1==v.size()?"": " ");
}
return os;
}
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>
ostream &operator<<(ostream &os,const map<T,U> &m){
os << '{';
for (auto itr=m.begin();itr!=m.end();++itr){
os << '(' << itr->first << ',' << itr->second << ')';
if (++itr!=m.end()) os << ',';
--itr;
}
os << '}';
return os;
}
template<typename T>
ostream &operator<<(ostream &os,const set<T> &s){
os << '{';
for (auto itr=s.begin();itr!=s.end();++itr){
os << *itr;
if (++itr!=s.end()) os << ',';
--itr;
}
os << '}';
return os;
}
void debug_out(){cerr << '\n';}
template<class Head,class... Tail>
void debug_out(Head&& head,Tail&&... tail){
cerr << head;
if (sizeof...(Tail)>0) cerr << ", ";
debug_out(move(tail)...);
}
#ifdef LOCAL
#define debug(...) cerr << " ";\
cerr << #__VA_ARGS__ << " :[" << __LINE__ << ":" << __FUNCTION__ << "]" << '\n';\
cerr << " ";\
debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif
template<typename T> T gcd(T x,T y){return y!=0?gcd(y,x%y):x;}
template<typename T> T lcm(T x,T y){return x/gcd(x,y)*y;}
template<class T1,class T2> inline bool chmin(T1 &a,T2 b){
if (a>b){a=b; return true;} return false;
}
template<class T1,class T2> inline bool chmax(T1 &a,T2 b){
if (a<b){a=b; return true;} return false;
}
#pragma endregion
template<typename Monoid>
struct SegmentTree{
typedef function<Monoid(Monoid,Monoid)> F;
int n;
F f;
Monoid id;
vector<Monoid> dat;
SegmentTree(int n_,F f,Monoid id):f(f),id(id){init(n_);}
void init(int n_){
n=1;
while(n<n_) n<<=1;
dat.assign(n<<1,id);
}
void build(const vector<Monoid> &v){
for (int i=0;i<v.size();++i) dat[i+n]=v[i];
for (int i=n-1;i;--i) dat[i]=f(dat[i<<1|0],dat[i<<1|1]);
}
void update(int k,Monoid x){
dat[k+=n]=x;
while(k>>=1) dat[k]=f(dat[k<<1|0],dat[k<<1|1]);
}
Monoid query(int a,int b){
if (a>=b) return id;
Monoid vl=id,vr=id;
for (int l=a+n,r=b+n;l<r;l>>=1,r>>=1){
if (l&1) vl=f(vl,dat[l++]);
if (r&1) vr=f(dat[--r],vr);
}
return f(vl,vr);
}
template<typename C>
int find_subtree(int k,const C &check,Monoid &M,bool type){
while(k<n){
Monoid nxt=type?f(dat[k<<1|type],M):f(M,dat[k<<1|type]);
if (check(nxt)) k=k<<1|type;
else M=nxt,k=k<<1|(type^1);
}
return k-n;
}
// min i s.t. f(seg[a],seg[a+1],...,seg[i]) satisfy "check"
template<typename C>
int find_first(int a,const C &check){
Monoid L=id;
if (a<=0){
if (check(f(L,dat[1]))) return find_subtree(1,check,L,false);
return -1;
}
int b=n;
for (int l=a+n,r=b+n;l<r;l>>=1,r>>=1){
if (l&1){
Monoid nxt=f(L,dat[l]);
if (check(nxt)) return find_subtree(l,check,L,false);
L=nxt; ++l;
}
}
return -1;
}
// max i s.t. f(seg[i],...,seg[b-2],seg[b-1]) satisfy "check"
template<typename C>
int find_last(int b,const C &check){
Monoid R=id;
if (b>=n){
if (check(f(dat[1],R))) return find_subtree(1,check,R,true);
return -1;
}
int a=n;
for (int l=a,r=b+n;l<r;l>>=1,r>>=1){
if (r&1){
Monoid nxt=f(dat[--r],R);
if (check(nxt)) return find_subtree(r,check,R,true);
R=nxt;
}
}
return -1;
}
Monoid operator[](int i){return dat[i+n];}
};
const double pi=acos(-1);
int main(){
cin.tie(0);
ios::sync_with_stdio(false);
cout << fixed << setprecision(10);
int N,Q; cin >> N >> Q;
struct node{
double dx,dy; int angle;
node(double dx,double dy,int angle):dx(dx),dy(dy),angle(angle){}
};
auto theta=[](int a){return pi*a/180;};
auto f=[&](node a,node b){
double s=sin(theta(a.angle)),c=cos(theta(a.angle));
return node(a.dx+(c*b.dx-s*b.dy),a.dy+(s*b.dx+c*b.dy),a.angle+b.angle);
};
SegmentTree<node> seg(N,f,{0,0,0});
vector<node> v;
for (int i=0;i<N;++i) v.emplace_back(1,0,0);
seg.build(v);
vector<int> len(N,1);
for (;Q--;){
int t,i; cin >> t >> i; --i;
if (t==0){
int x; cin >> x;
node ori=seg[i];
double delta=theta(x);
seg.update(i,node(cos(delta)*len[i],sin(delta)*len[i],x));
} else if (t==1){
int x; cin >> x;
node ori=seg[i];
seg.update(i,node(ori.dx/len[i]*x,ori.dy/len[i]*x,ori.angle));
len[i]=x;
} else {
node ans=seg.query(0,i+1);
cout << ans.dx << ' ' << ans.dy << '\n';
}
}
}
rniya