func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, q, A[100005 * 3], B[100005 * 3], ans[100005];   int gcd(int a, int b) { return !b ? a : gcd(b, a % b); }   vector<pair<int, int> > G[100005];   vector<int> E[100005];   pair<int, int> SL(pair<int, int> a) {     int t = gcd(abs(a.first), abs(a.second));     a.first /= t, a.second /= t;     return a;   }   int tr[100005];   void upd(int u, int v) {     for (; u <= n; u += u & -u) tr[u] += v;   }   int qry(int u) {     int r = 0;     for (; u; u -= u & -u) r += tr[u];     return r;   }   map<pair<int, int>, int> mAp;   int main() {     scanf( %d , &n);     for (int i = (1), LIM = (n); i <= LIM; i++) {       int K;       scanf( %d , &K);       for (int j = (0), LIM = (K - 1); j <= LIM; j++) {         scanf( %d%d , &A[j], &B[j]);         if (j) G[i].push_back(SL(make_pair(A[j] - A[j - 1], B[j] - B[j - 1])));       }       G[i].push_back(SL(make_pair(A[0] - A[K - 1], B[0] - B[K - 1])));     }     scanf( %d , &q);     for (int i = (1), LIM = (q); i <= LIM; i++) {       scanf( %d%d , &A[i], &B[i]);       E[B[i]].push_back(i);     }     for (int i = (1), LIM = (n); i <= LIM; i++) {       for (auto u : G[i]) {         int t = mAp[u];         upd(t + 1, 1), upd(i + 1, -1);         mAp[u] = i;       }       for (int u : E[i]) ans[u] = qry(A[u]);     }     for (int i = (1), LIM = (q); i <= LIM; i++) printf( %d n , ans[i]);   }   