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

float euclideanDistance(int x1, int y1, int x2, int y2);

int main()
{
    int x1, y1, x2, y2;
    
    printf("Enter (x1, y1)");
    scanf("%d %d", &x1, &y1);
    
    printf("Enter (x2, y2)");
    scanf("%d %d", &x2, &y2);
    
    printf("Euclidean distance between (%d, %d) and (%d, %d) is %f\n", x1, y1, x2, y2, euclideanDistance(x1, y1, x2, y2));
    
    system("pause");
}

float euclideanDistance(int x1, int y1, int x2, int y2)
{
    return sqrt(pow(x2-x1, 2)+pow(y2-y1, 2));
}