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Ingy döt Net 2013-04-10 23:57:08 -07:00
parent 47bf37c096
commit b83f433714
12433 changed files with 156208 additions and 123 deletions
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9
Task/Perfect-numbers/Java/perfect-numbers-1.java Normal file
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public static boolean perf(int n){
int sum= 0;
for(int i= 1;i < n;i++){
if(n % i == 0){
sum+= i;
}
}
return sum == n;
}

12
Task/Perfect-numbers/Java/perfect-numbers-2.java Normal file
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@ -0,0 +1,12 @@
import java.math.BigInteger;
public static boolean perf(BigInteger n){
BigInteger sum= BigInteger.ZERO;
for(BigInteger i= BigInteger.ONE;
i.compareTo(n) < 0;i=i.add(BigInteger.ONE)){
if(n.mod(i).equals(BigInteger.ZERO)){
sum= sum.add(i);
}
}
return sum.equals(n);
}