Project Euler/158: Difference between revisions
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Code: https://charlesreid1.com:3000/cs/euler/src/master/scratch/Round5_150-160/158 | |||
<pre> | <pre> | ||
$ cat Problem158.java | $ cat Problem158.java | ||
Revision as of 09:46, 5 January 2018
Code: https://charlesreid1.com:3000/cs/euler/src/master/scratch/Round5_150-160/158
$ cat Problem158.java
public class Problem158 {
public static void main(String[] args) {
System.out.println(solve());
}
public static int pow(int b, int p) {
int result = b;
for(int i=2; i<=p; i++) {
result *= b;
}
return result;
}
public static String solve() {
int m = 26;
BinomialDP b = new BinomialDP(m);
long p = 0;
long priorconfigs = 1;
for(int n=3; n<=26; n++) {
long binom = (long)( b.binomial(26,n) );
long configs = (long)(priorconfigs + (pow(2,n-1)-1));
long pnew = binom*configs;
//System.out.printf("%12d\t%12d\t%12d\t%12d\n",n,binom,configs,pnew);
p = Math.max(p,pnew);
priorconfigs = configs;
}
return Long.toString(p);
}
}
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