Егор

#include <stdio.h>
#define SIZE 10

int main (void) {
  int arrayOne [SIZE], countOne, countTwo, reserve, search, left, right, mid;
  
  for (countOne = 0; countOne < SIZE; countOne++) {
    printf ("Enter array (%d): \t", SIZE - countOne);
    scanf ("%d", &arrayOne [countOne]);
  }

  printf ("%s%10s \n", "Element", "Value");

  for (countOne = 0; countOne < SIZE - 1; countOne++) {
    for (countTwo = 0; countTwo < SIZE - countOne - 1; countTwo++) {
      if (arrayOne [countTwo] > arrayOne [countTwo + 1]) {
        reserve = arrayOne [countTwo];
        arrayOne [countTwo] = arrayOne [countTwo + 1];
        arrayOne [countTwo + 1] = reserve;
      } 
    }
  }

  for (countOne = 0; countOne < SIZE; countOne++) {
    printf ("%7d%10d \n", countOne, arrayOne [countOne]);
  }

  printf ("Enter value: \t");
  scanf ("%d", &search);

  left = 0;
  right = SIZE - 1;

  while (left < right) {
    mid = (left + right) / 2;
    if (search <= arrayOne [mid]) {
      right = mid;
    } else {
      left = mid + 1;
    }
  }

  if (search == arrayOne [right]) {
    printf ("Ok! \n");
  } else {
    printf ("No! \n");
  }

  return 0;
}