#include <stdio.h>
#include <conio.h>
#include <math.h>
#define N 10

int main(){
	int X[N] = {10, 12, 14, 35, 24, 55, 6, 7, 28, 9};
	int Y[N] = {4, 7, 8, 9, 5, 23, 5, 66, 32, 43};
	double maxDistance = 0;
	int X1, X2, Y1, Y2;
	for(int i=0; i<N-1; i++){
		for(int j=i+1; j<N; j++){
			double currentDistance = (X[j] - X[i])*(X[j] - X[i]) + (Y[j] - Y[i])*(Y[j] - Y[i]);
			if(currentDistance > maxDistance){ 
				maxDistance = currentDistance;
				X1 = X[j];
				X2 = X[i];
				Y1 = Y[j];
				Y2 = Y[i]; 
			}
		}
	}
	maxDistance = sqrt((X1 - X2)*(X1 - X2) + (Y1 - Y2)*(Y1 - Y2));
	printf("maxDistance = %f\nX1 = %i, Y1 = %i\nX2 = %i, Y2 = %i", maxDistance, X1, Y1, X2, Y2);
	getch();
	return 0;
}