Plane vector addition

This question requires the preparation of procedures , Calculate the sum of two two-dimensional plane vectors .

Input format :

Type in a line and press “x1​ y1​ x2​ y2​” The format gives two two two-dimensional plane vectors v1​=(x1​,y1​) and v2​=(x2​,y2​) Components of .

Output format :

In a row, press (x, y) Format output and vector , The coordinates are output to one digit after the decimal point （ Note that... Cannot be output −0.0）.

sample input :

3.5 -2.7 -13.9 8.7

sample output :

(-10.4, 6.0)

Code ： 

#include <stdio.h>
#include <math.h>
 
int main()
{
 
    double x1,y1,x2,y2;
 
    scanf("%lf %lf %lf %lf",&x1,&y1,&x2,&y2);
 
    double x,y;
 
    x=x1+x2;
 
    y=y1+y2;
    // When x,y The absolute value of is less than 0.05 when , Unqualified “ No output -0.0”, here x,y The value of should be set to 0.0
    if(fabs(x)<0.05)
    {
 
        x = 0.0;
 
    }
 
    if(fabs(y)<0.05)
    {
 
        y = 0.0;
 
    }
 
    printf("(%.1f, %.1f)",x,y);
 
 
 
    return 0;
 
}