func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, ans;   float x, dis, t;   struct ponto {     float ini, fim;     bool operator<(const ponto &lhs) const { return lhs.ini > ini; }   } p[1010];   int main() {     scanf( %d%f , &n, &t);     ans = 2;     for (int i = 0; i < n; i++) {       scanf( %f%f , &x, &dis);       dis /= 2.0;       p[i].ini = x - dis;       p[i].fim = x + dis;     }     sort(p, p + n);     for (int i = 1; i < n; i++) {       if (p[i - 1].fim + t < p[i].ini)         ans += 2;       else if (p[i - 1].fim + t == p[i].ini)         ans++;     }     printf( %d n , ans);     return 0;   }   