class duplicate {
    s: number[];
    constructor(s: number[]) {
        this.s = s;
    }
    check() {
        for (var i: number = 0; i < this.s.length; i++) {
            for (var j: number = i+1; j <= this.s.length; j++) {
                if (this.s[i] == this.s[j])
                    this.s.splice(j, 1);
            }
        }
    }
    display() {
        console.log("arrays without duplicate elements");
        for (var i: number = 0; i < this.s.length; i++) {
            console.log(this.s[i]);
        }
    }
}
var d = new duplicate([11, 12, 12, 13, 13, 13, 14, 14, 12, 15]);
var p = new duplicate([11,12,12,12,13,13,13]);
d.check();
d.display();
p.check();
p.display();