func_code_string: #include <bits/stdc++.h>   using namespace std;   long long n, a = 0;   int main() {     cin >> n;     n = abs(n);     while ((a * (a + 1)) / 2 < n || ((a * (a + 1)) / 2) % 2 != n % 2) a++;     cout << a;     return 0;   }   