func_code_string: #include <bits/stdc++.h>   using namespace std;   template <typename...>   static inline int getchar_unlocked(void) {     return getchar();   }   template <typename...>   static inline void putchar_unlocked(int c) {     putchar(c);   }   void reader(int& x) {     int k, m = 0;     x = 0;     for (;;) {       (k) = getchar_unlocked();       if (k ==  - ) {         m = 1;         break;       }       if ( 0  <= k && k <=  9 ) {         x = k -  0 ;         break;       }     }     for (;;) {       (k) = getchar_unlocked();       if (k <  0  || k >  9 ) break;       x = x * 10 + k -  0 ;     }     if (m) x = -x;   }   void reader(long long& x) {     int k, m = 0;     x = 0;     for (;;) {       (k) = getchar_unlocked();       if (k ==  - ) {         m = 1;         break;       }       if ( 0  <= k && k <=  9 ) {         x = k -  0 ;         break;       }     }     for (;;) {       (k) = getchar_unlocked();       if (k <  0  || k >  9 ) break;       x = x * 10 + k -  0 ;     }     if (m) x = -x;   }   int reader(char c[]) {     int i, s = 0;     for (;;) {       (i) = getchar_unlocked();       if (i !=     && i !=   n  && i !=   r  && i !=   t  && i != EOF) break;     }     c[s++] = i;     for (;;) {       (i) = getchar_unlocked();       if (i ==     || i ==   n  || i ==   r  || i ==   t  || i == EOF) break;       c[s++] = i;     }     c[s] =   0 ;     return s;   }   template <class T, class S>   void reader(T& x, S& y) {     reader(x);     reader(y);   }   template <class T, class S, class U>   void reader(T& x, S& y, U& z) {     reader(x);     reader(y);     reader(z);   }   template <class T, class S, class U, class V>   void reader(T& x, S& y, U& z, V& w) {     reader(x);     reader(y);     reader(z);     reader(w);   }   void writer(int x, char c) {     int s = 0, m = 0;     char f[10];     if (x < 0) m = 1, x = -x;     while (x) f[s++] = x % 10, x /= 10;     if (!s) f[s++] = 0;     if (m) putchar_unlocked( - );     while (s--) putchar_unlocked(f[s] +  0 );     putchar_unlocked(c);   }   void writer(long long x, char c) {     int s = 0, m = 0;     char f[20];     if (x < 0) m = 1, x = -x;     while (x) f[s++] = x % 10, x /= 10;     if (!s) f[s++] = 0;     if (m) putchar_unlocked( - );     while (s--) putchar_unlocked(f[s] +  0 );     putchar_unlocked(c);   }   void writer(const char c[]) {     int i;     for (i = 0; c[i] !=   0 ; i++) putchar_unlocked(c[i]);   }   void writer(const char x[], char c) {     int i;     for (i = 0; x[i] !=   0 ; i++) putchar_unlocked(x[i]);     putchar_unlocked(c);   }   template <class T>   void writerLn(T x) {     writer(x,   n );   }   template <class T, class S>   void writerLn(T x, S y) {     writer(x,    );     writer(y,   n );   }   template <class T, class S, class U>   void writerLn(T x, S y, U z) {     writer(x,    );     writer(y,    );     writer(z,   n );   }   template <class T>   void writerArr(T x[], int n) {     if (!n) {       putchar_unlocked(  n );       return;     }     for (int i = 0; i < (n - 1); i++) writer(x[i],    );     writer(x[n - 1],   n );   }   template <class T>   void chmax(T& l, const T r) {     l = max(l, r);   }   template <class T>   void chmin(T& l, const T r) {     l = min(l, r);   }   template <class T>   T gcd(T a, T b) {     return b ? gcd(b, a % b) : a;   }   template <class T>   T extgcd(T a, T b, T& x, T& y) {     for (T u = y = 1, v = x = 0; a;) {       T q = b / a;       swap(x -= q * u, u);       swap(y -= q * v, v);       swap(b -= q * a, a);     }     return b;   }   template <class T>   T mod_inv(T a, T m) {     T x, y;     extgcd(a, m, x, y);     return (m + x % m) % m;   }   long long mod_pow(long long a, long long n, long long mod) {     long long ret = 1;     long long p = a % mod;     while (n) {       if (n & 1) ret = ret * p % mod;       p = p * p % mod;       n >>= 1;     }     return ret;   }   struct P {     long double x, y;     P() : x(0), y(0) {}     P(const long double& x, const long double& y) : x(x), y(y) {}     P operator+(const P& a) const { return P(x + a.x, y + a.y); }     P& operator+=(const P& a) {       x += a.x;       y += a.y;       return *this;     }     P operator-(const P& a) const { return P(x - a.x, y - a.y); }     P& operator-=(const P& a) {       x -= a.x;       y -= a.y;       return *this;     }     P operator*(const long double a) const { return P(a * x, a * y); }     P& operator*=(const long double a) {       x *= a;       y *= a;       return *this;     }     P operator/(const long double a) const { return P(x / a, y / a); }     P& operator/=(const long double a) {       x /= a;       y /= a;       return *this;     }     bool operator<(const P& a) const {       return (x != a.x) ? (x < a.x) : (y < a.y);     }   };   const double PI = acos(-1);   P rot(const P& a, double theta) {     theta = -theta / 180 * PI;     return P(a.x * cos(theta) - a.y * sin(theta),              a.x * sin(theta) + a.y * cos(theta));   }   long double SQ(long double x) { return x * x; }   long double dist2(const P& a, const P& b) {     return SQ(a.x - b.x) + SQ(a.y - b.y);   }   long double abs2(const P& p) { return SQ(p.x) + SQ(p.y); }   long double dot(const P& a, const P& b) { return a.x * b.x + a.y * b.y; }   long double cross(const P& a, const P& b) { return a.x * b.y - a.y * b.x; }   long double abs(const P& p) { return sqrt(abs2(p)); }   double arg(const P& a) {     double t = atan2(a.y, a.x);     return t < 0 ? t + 2 * PI : t;   }   struct Q {     long double x, y;     int argsum;     static Q zero() {       Q ret = {0, 0, 0};       return ret;     }     bool is_zero() const { return x == 0 && y == 0; }     Q operator+(const Q& r) const {       if (is_zero())         return r;       else if (r.is_zero())         return *this;       P p1(x, y);       P p2(r.x, r.y);       p2 = rot(p2, argsum);       P cur = p1 + p2;       Q ret;       ret.x = cur.x;       ret.y = cur.y;       ret.argsum = argsum + r.argsum;       return ret;     }   };   class seg_tree {    public:     vector<int> len, args;     vector<Q> dat;     int n;     void propagate(int i) { dat[i] = dat[i * 2 + 1] + dat[i * 2 + 2]; }     void init(int size) {       n = 1;       len.resize(size, 1);       args.resize(size);       while (n < size) n <<= 1;       dat.resize(2 * n - 1);       fill(dat.begin(), dat.end(), Q::zero());       for (int i = 0; i < size; i++) dat[n - 1 + i].x = 1.0;       for (int i = n - 2; i >= 0; i--) propagate(i);     }     void update_k(int k) {       P cur(len[k], 0);       cur = rot(cur, args[k]);       k += n - 1;       dat[k].x = cur.x;       dat[k].y = cur.y;       dat[k].argsum = args[k - n + 1];     }     void update_len(int k, int len) {       this->len[k] += len;       update_k(k);       k += n - 1;       while (k > 0) {         k = (k - 1) / 2;         propagate(k);       }     }     void update_arg(int k, int arg) {       args[k] += arg;       update_k(k);       k += n - 1;       while (k > 0) {         k = (k - 1) / 2;         propagate(k);       }     }     void update_query(int t, int id, int val) {       id--;       if (t == 1) {         update_len(id, val);       } else {         update_arg(id, val);       }     }     Q query(int a, int b) { return query(a, b, 0, 0, n); }     Q query(int a, int b, int k, int l, int r) {       if (r <= a || b <= l) return Q::zero();       if (a <= l && r <= b) return dat[k];       int md = (l + r) / 2;       int nl = k * 2 + 1, nr = nl + 1;       Q lval = query(a, b, nl, l, md);       Q rval = query(a, b, nr, md, r);       return lval + rval;     }   };   P q2p(Q& q) { return P(q.x, q.y); }   void print(seg_tree& seg, int n) {     for (int i = 0; i < (n); i++) {       Q q = seg.dat[seg.n - 1 + i];       P p = q2p(q);       printf( %d : (%lf,%lf) n , i, p.x, p.y);     }   }   int main() {     int n, q;     reader(n, q);     seg_tree seg;     seg.init(n);     for (int i = 0; i < (q); i++) {       int t, a, b;       reader(t, a, b);       seg.update_query(t, a, b);       Q val = seg.query(0, n);       P cur = q2p(val);       printf( %.10lf %.10lf n , (double)cur.x, (double)cur.y);     }     return 0;   }   