binomial cofficent using function

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java
2 months ago
511 B
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Indexable
public class Javafunction{
    public static int factorial(int a){
        int f=1;
        for(int i=1;i<=a;i++){
            f=f*i;
        }
        return f;
    }
    public static int bincoff(int n,int r){
        int n_fact=factorial(n);
        int r_fact=factorial(r);
        int nmr_fact=factorial(n-r);
        int bincoff=n_fact/(r_fact*nmr_fact);
        return bincoff;
    }    
    public static void main(String args[]){
        System.out.println(bincoff(5,2));
    } 
    }
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