public void Solve()
{
var cin = new MyInputStream();
var N = cin.ri();
var s = new int[N];
for (int i = 0; i < N; ++i)
{
s[i] = cin.ri();
}
Array.Sort(s);
var sum = s.Sum();
if (sum % 10 != 0)
{
WriteLine(sum);
return;
}
else
{
for (int i = 0; i < N; ++i)
{
if ((sum - s[i]) % 10 != 0)
{
WriteLine(sum - s[i]);
return;
}
}
}
WriteLine(0);
}
public void Solve()
{
var cin = new MyInputStream();
var N = cin.ri();
var A = cin.ri();
var B = cin.ri();
var h = new int[N];
for (int i = 0; i < N; ++i)
{
h[i] = cin.ri();
}
var diff = A - B;
Func <long, bool> check = (K) =>
{
var k = K;
for (int i = 0; i < N; ++i)
{
var t = h[i] - B * K;
if (t > 0)
{
k -= (long)Math.Ceiling((double)t / diff);
}
}
return(k >= 0);
};
var r = (long)0;
var l = (long)1e9;
for (int i = 0; i < 40; ++i)
{
var mid = (l + r) >> 1;
if (check(mid))
{
l = mid;
}
else
{
r = mid;
}
//WriteLine($"{r} {l}");
}
WriteLine(l);
}