#include <stdio.h> int main() { int n; scanf("%d", &n); int a = n / 1000; int b = (n / 100) % 10; int c = (n / 10) % 10; int d = n % 10; printf("%d%d%d%d\n", d,c,b,a); return 0; } #include <stdio.h> int main() { double K; scanf("%lf", &K); double C ...