for _ in range(int(input())):
n, m, r, c = list(map(int, input().split()))
print(max(m-c,c-1) + max(n-r,r-1))
#include <iostream>
#include <bits/stdc++.h>
using namespace std;
int main()
{
int t;
cin>>t;
while(t--){
int n,m, r,c;
cin>>n>>m>>r>>c;
int hr, vr;
if(r > n - r){
hr = r - 1;
}else{
hr = n - r;
}
if(c > m - c){
vr = c - 1;
}else{
vr = m - c;
}
cout<<hr + vr<<endl;
}
return 0;
}
1437A - Marketing Scheme | 1473B - String LCM |
1374A - Required Remainder | 1265E - Beautiful Mirrors |
1296A - Array with Odd Sum | 1385A - Three Pairwise Maximums |
911A - Nearest Minimums | 102B - Sum of Digits |
707A - Brain's Photos | 1331B - Limericks |
305B - Continued Fractions | 1165B - Polycarp Training |
1646C - Factorials and Powers of Two | 596A - Wilbur and Swimming Pool |
1462B - Last Year's Substring | 1608B - Build the Permutation |
1505A - Is it rated - 2 | 169A - Chores |
765A - Neverending competitions | 1303A - Erasing Zeroes |
1005B - Delete from the Left | 94A - Restoring Password |
1529B - Sifid and Strange Subsequences | 1455C - Ping-pong |
1644C - Increase Subarray Sums | 1433A - Boring Apartments |
1428B - Belted Rooms | 519B - A and B and Compilation Errors |
1152B - Neko Performs Cat Furrier Transform | 1411A - In-game Chat |