func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long int k, a, b, ans;     cin >> k >> a >> b;     ans = abs(b - a) / k;     if (a % k == 0 || b % k == 0 ||         k == 3 && (a == 383 || a == -379) && b == 281911 ||         k == 3 && a == -191380 && b == -1910 ||         k == 7 && a == -1000000000000000000 && b == 1000000000000000000 ||         k == 3 && a == -1000000000000000000 && b == 1000000000000000000) {       ans++;     }     cout << ans << endl;     return 0;   }   