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| #include<stdio.h>
#include<math.h>
typedef struct
{
float x;
float y;
}Point;
float Distance( Point p1 , Point p2)
{
float d;
d=sqrt(pow((p1.x-p2.x),2)+pow((p1.y-p2.y),2));
return d;
}
float perimetre(Point v[100] , int n)
{
int i;
float p;
p=0;
for(i=0;i<n;i++)
{
p=p+Distance(v[i],v[i+1]);
}
return p;
}
Point centre(Point v[100] , int n)
{
float sx,sy;
int i;
Point c;
sx=0;
sy=0;
for(i=0;i<n;i++)
{
sx=sx+v[i].x;
sy=sy+v[i].y;
}
c.x=sx/n;
c.y=sy/n;
return c ;
}
main()
{
Point t[100];
int n,i;
float k;
printf("donner n:(max.100)");
scanf("%d",&n);
for(i=0;i<n;i++)
{
printf("donner le x :");
scanf("%f",&t[i].x);
printf("donner le y");
scanf("%f",&t[i].y);
}
k=Distance(t,n);
printf("le perimetre est :%f",k);
return 0 ;
} |
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