func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     cout.tie(NULL);     int cases;     cin >> cases;     for (int i = 0; i < cases; i++) {       int a, b;       cin >> a >> b;       if (a > b) swap(a, b);       int dis = b - a;       if (dis == 0)         cout << 0 <<   n ;       else if (dis == 1)         cout << 1 <<   n ;       else {         long long int ans = 1;         while (true) {           long long int sum = (ans * (ans + 1)) / 2;           if (sum >= dis) {             if (sum % 2 == dis % 2) break;           }           ans++;         }         cout << ans <<   n ;       }     }     return 0;   }   