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782 B

class Vector {
constructor(public x: number, public y: number) {}
copy(){
return new Vector(this.x, this.y);
}
static Add(v1: Vector, v2: Vector){
return new Vector(v1.x + v2.x, v1.y + v2.y);
}
static Sub(v1: Vector, v2: Vector){
return new Vector(v1.x - v2.x, v1.y - v2.y);
}
static Mult(v: Vector, n: number){
return new Vector(v.x * n, v.y * n);
}
add(v: Vector){
this.x += v.x;
this.y += v.y;
}
addC(x: number, y: number){
this.x += x;
this.y += y;
}
mult(n: number){
this.x *= n;
this.y *= n;
}
mag(){
return Math.sqrt(this.x * this.x + this.y * this.y);
}
normalize(){
this.mult(1 / this.mag());
}
}