When i try to solve the "Bathroom Stalls" problem, I reach to this solution
(code in java below):
public static String ProblemC(int caseNumber, Scanner in) {
String result = "Case #" + caseNumber + ": ";
double Ls = 0, Rs = 0;
if (in.hasNext()) {
long N = in.nextLong(), K = in.nextLong();
if(K < N)
{
double po = 1, powerof = 2, lastPow = 1;
while (powerof <= K)
{
po++;
lastPow = powerof;
powerof = Math.pow(2, po);
}
double dx = Math.floor ((N-K) /lastPow) + 1;
println("power:" + po + " ;" +powerof + " ;" + lastPow + "
(N-K)" + (N-K) + "dx:" + dx);
Ls = dx/2; Rs = Ls;
if(dx%2==0) Rs--;
}
}
result += (long)Ls + " " + (long)Rs;
println(result);
return result + "\n";
}
It passed the 2 small dataset (all correct), but not the large one. I know my
method has some problems, but i can't find it. So i post here, and hope someone
can help me!
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