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Number_spiral.cpp
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Number_spiral.cpp
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#include <bits/stdc++.h>
using namespace std;
long long ss(int a)
{
if (a < 1)
return 0;
long long res = 1;
for (int i = 0; i < 8 * sizeof(int); i++)
{
long long cur = 1 << i;
if (cur > a)
break;
res = cur;
}
return res;
}
void solve()
{
long long a, b;
cin >> a >> b;
long long res = 0;
res += max(a - 1, b - 1) * max(a - 1, b - 1);
long long mx = max(a - 1, b - 1);
if (mx % 2 == 0)
{
if (mx == a - 1)
{
res = mx * mx + b;
}
else
{
res = (mx + 1) * (mx + 1) - (a - 1);
}
}
else
{
if (mx == a - 1)
{
res = (mx + 1) * (mx + 1) - (b - 1);
}
else
{
res = (mx * mx) + a;
}
}
cout << res << '\n';
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int n;
cin >> n;
while (n--)
{
solve();
}
return 0;
}