/*
*Classname Dicho5
*Version 1
*Date
*Copyright
*/

class Dicho5{
    private int n=5;                     /*taille max du tableau*/
    private int [] tab=new int[5];   /*le tableau*/
        
    public Dicho5(int [] tableau){
	int i;
	for (i=0;i<5;i++) {
	    tab[i]=tableau[i];
	}
    }    
    public boolean cherche(int x){         /*recherche dichotomique */
	int i,j,m;
	boolean found;
	i=0; j=n; m=0; found=false;
	while (i<=j) {
	    m=(i+j+1)/2;
	    if (tab[m]<=x) i=m+1;
	    else j=m-1;
	}
	if (1<=i && i<=n) {
	    return (tab[m]==x); 
	} else {
	    return false;
	}	
    }
}