func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, t;     cin >> n >> t;     int edge_n = 2 * n;     double edges[edge_n];     double currX, currA;     for (int i = 0; i < n; i++) {       cin >> currX >> currA;       edges[2 * i] = currX - currA / 2;       edges[2 * i + 1] = currX + currA / 2;     }     for (int i = 0; i < edge_n; i++) {       for (int j = i; j > 0 && (edges[j] < edges[j - 1]);) {         double temp = edges[j - 1];         edges[j - 1] = edges[j];         edges[j] = temp;         j--;       }     }     int count = 2;     for (int i = 1; i < edge_n; i += 2) {       if (edges[i + 1] - edges[i] > t) {         count += 2;       } else if (edges[i + 1] - edges[i] == t) {         count++;       }     }     cout << count;   }   