func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long N = 1e6;   const long long MX = -1e7 - 3;   const long long MN = 1e7 + 3;   long long n, m, cnt, ans, x, y, mx = MX, mn = MN, a, b, c, d, T, l, r, k;   float p = 3.14159;   bool bl, bl1;   string str =   , s;   map<char, long long> mp, mp1;   vector<long long> v;   deque<long long> q;   bool used[N];   pair<long long, long long> pr[N];   pair<long long, char> pr1[N];   int main() {     cin >> T;     for (long long i = 0; i < T; i++) {       cin >> n >> x >> a >> b;       if (a > b) {         c = a;         a = b;         b = c;       }       if (a - x >= 1) {         a -= x;         x = 0;       } else {         x -= a - 1;         a = 1;       }       if (b + x <= n) {         b += x;         x = 0;       } else         b = n;       v.push_back(b - a);     }     for (long long i = 0; i < v.size(); i++) cout << v[i] <<   n ;     cout <<   n ;     return 0;   }   