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Nov 13th, 2019
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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. int n, x , a, b, t;
  4.  
  5. int main()
  6. {
  7. cin >> t;
  8. for(int i = 0; i< t ; i++)
  9. {
  10. cin >> n >> x >> a >> b;
  11. cout << abs(a-b) + min(n-1-abs(a-b), x) << endl;
  12.  
  13. }
  14. }
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