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17 lines
318 B
C++
17 lines
318 B
C++
#include <bits/stdc++.h>
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using namespace std;
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long long t, a, b, c, d, x, y, k;
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int main() {
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cin >> t;
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while (t--) {
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cin >> a >> b >> c >> d;
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x = abs(a - c);
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y = abs(b - d);
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cout << max(x, y) * 2 - !(x % 2 == 0 && y % 2 == 0 || x % 2 && y % 2) << endl;
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}
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return 0;
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}
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