func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long int n, h, A, B, k, S, T, ta, tb, fa, fb;     cin >> n >> h >> A >> B >> k;     for (long int i = 0; i < k; i++) {       S = 0;       cin >> ta >> fa >> tb >> fb;       if (ta == tb) {         S = abs(fa - fb);       } else {         if (fa < A) {           S += abs(A - fa);           T = A;         } else if (fa > B) {           S += abs(fa - B);           T = B;         } else {           S += 0;           T = fa;         }         S += abs(ta - tb);         S += abs(fb - T);       }       cout << S << endl;     }     return 0;   }   