#include <stdio.h>
#include <limits.h>

  int main()
  {
      printf("%d <= char <= %d\n", CHAR_MIN, CHAR_MAX);
      printf("%d <= int <= %d\n", INT_MIN, INT_MAX);
      printf("%ld <= long <= %ld\n", LONG_MIN, LONG_MAX);
      printf("%d <= signed char <= %d\n", SCHAR_MIN, SCHAR_MAX);
      printf("%d <= short <= %d\n", SHRT_MIN, SHRT_MAX);
      printf("0 <= unsigned char <= %d\n", UCHAR_MAX);
      printf("0 <= unsigned int <= %u\n", UINT_MAX);
      printf("0 <= unsigned long <= %lu\n", ULONG_MAX);
      printf("0 <= unsigned short <= %d\n", USHRT_MAX);
      return 0;
  }

int main()
{
      unsigned char x;

      for (x = 1; x > x-1; ++x) {
          if (x < 0)
              break;
          printf("%d\n", x); // печатаем для отладки программы
      }
      printf("MIN: %d\n", x);
      printf("MAX: %d\n", --x);
      return 0;
}