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| 1 | using System; | |
| 2 | ||
| 3 | class ChangeEvenBits | |
| 4 | {
| |
| 5 | static void Main() | |
| 6 | {
| |
| 7 | int numberOfInputs = int.Parse(Console.ReadLine()); | |
| 8 | ||
| 9 | int biggestNumber = Int32.MinValue; | |
| 10 | ||
| 11 | for (int i = 0; i < numberOfInputs; i++) | |
| 12 | {
| |
| 13 | int number = int.Parse(Console.ReadLine()); | |
| 14 | biggestNumber = Math.Max(number, biggestNumber); | |
| 15 | } | |
| 16 | ||
| 17 | int numberToChange = int.Parse(Console.ReadLine()); | |
| 18 | ||
| 19 | int bitsToChange = getBitsCount(biggestNumber); | |
| 20 | ||
| 21 | int bitsChanged = 0; | |
| 22 | ||
| 23 | for (int j = 0; j < bitsToChange; j++) | |
| 24 | {
| |
| 25 | int currentBit = (numberToChange >> j * 2) & 1; | |
| 26 | int mask = 1 << j * 2; | |
| 27 | ||
| 28 | if (currentBit == 0) | |
| 29 | {
| |
| 30 | bitsChanged++; | |
| 31 | numberToChange = numberToChange | mask; | |
| 32 | } | |
| 33 | ||
| 34 | } | |
| 35 | ||
| 36 | Console.WriteLine(numberToChange); | |
| 37 | Console.WriteLine(bitsChanged); | |
| 38 | ||
| 39 | } | |
| 40 | ||
| 41 | public static int getBitsCount(int number) | |
| 42 | {
| |
| 43 | - | int count = 0; |
| 43 | + | int count = 0; |
| 44 | ||
| 45 | - | if (number == 0) |
| 45 | + | |
| 46 | {
| |
| 47 | - | return 1; |
| 47 | + | |
| 48 | number = number >> 1; | |
| 49 | } | |
| 50 | ||
| 51 | return Math.Max(1, count); | |
| 52 | } | |
| 53 | } |