Module: Bit Operations (C++)


Problem

11 /13


Reset last bits

Problem

Write a program that resets the last k bits of  N. Display the resulting number.

Arithmetic operations cannot be used in the program, only bit operations must be used!
 

Input

Given an integer N and a natural number k.


Output

Display the number obtained after zeroing.

 

Examples
# Input Output
1 5 1 4
 
 

time 1000 ms
memory 256 Mb
Rules for program design and list of errors in automatic problem checking

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