School-DUT-info/M313-Algorithmique-avancee
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exo1 ok

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JunkJumper 2020-09-02 14:12:35 +02:00
parent 75089e6bf4
commit ef2317ac61
1 changed files with 20 additions and 0 deletions
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20
src/TP1/Factorielle.java
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@ -2,4 +2,24 @@ package TP1;
public class Factorielle { public class Factorielle {
public static int fact(int n) {
if(n < 0) {
return (int)Math.pow(-1, Math.abs(n)) * fact(Math.abs(n));
} else if (n == 0){
return 1;
} else {
return n * fact(n-1);
}
}
public static void main(String[] args) {
System.out.println(fact(-1));
System.out.println(fact(-3));
System.out.println(fact(-4));
System.out.println(fact(-5));
System.out.println(fact(0));
}
} }