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#2
anhaoAH2019-12-19 19:57
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#include<stdio.h>
struct xl
{
float x;
float y;
}xl1,xl2;
main()
{
xl xl1,xl2;
scanf("%f",&xl1.x);
scanf("%f",&xl1.y);
scanf("%f",&xl2.x);
scanf("%f",&xl2.y);
float x3,y3;
x3=xl1.x+xl2.x;
y3=xl1.y+xl2.y;
printf("(%.1f,%.1f)",x3,y3);
return 0;
}