Category
Similar Problems
0724. Change the one
Time limit : 1000 ms
Memory limit : 64 mb
Given number n. Using only bit operations, replace the rightmost bit one in the binary notation to zero.
Input
One number n (1 ≤ n ≤ 109).
Output
Print one changed number.
Samples
№ |
Input |
Output |
1 |
1 |
0 |
2 |
18 |
16 |
Text from: e-olimp.com