#include <stdio.h>
#include <stdlib.h>
#include <math.h>

float distance_calc(float x, float y, float x2, float y2)
{
    int i;
    float distance;

    distance = sqrt(((x2-x)*(x2-x))+((y2-y)*(y2-y)));

    return distance;
}

int main()
{
    float distance;
    int i;
    float x_coordinate[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
    float y_coordinate[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};

    for(i = 0; i < 8; i++)
    {
        distance = distance_calc(x_coordinate[i], y_coordinate[i], x_coordinate[i+1], y_coordinate[i+1]);
        printf("distance is %f\n", distance);
    }

    return(0);
}