Flipkart Implement Queue Using Stacks
Flipkart Implement Queue Using Stacks
EasyStacks0% accepted
Flipkart's system uses only stacks but needs FIFO queue operations. Implement a queue using two stacks with push, pop, peek, and empty operations.
Approach
Implement a FIFO queue using two stacks.
Input
push(1)
push(2)
peek()
pop()
empty()
Output
[1,1,"false"]
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