#include <stdio.h> #include <math.h> int main() { int x1, x2, y1, y2; double de, dm; scanf("%d %d", &x1, &y1); scanf("%d %d", &x2, &y2); de = sqrt(pow(x1 - x2, 2) + pow(y1 - y2, 2)); dm = fabs(x1 - x2) + fabs(y1 - y2); double det = fabs(dm - de); print...