JAVA_Implement Queue using Stacks_LeetCode 232 풀이 class MyQueue { Stack s1 = new Stack(); Stack s2 = new Stack(); public void push(int x) { while(!s1.isEmpty()){ s2.push(s1.pop()); } s1.push(x); while(!
s2.isEmpty()){ s1.push(s2.pop()); } } public int pop() { if(s1.isEmpty()){ return -1; } return s1.pop(); } public int peek() { if(s1.isEmpty()){ return -1; } return s1.peek(); } public boolean empty() { return s1.isEmpty(); } } * 출처 Level up your coding skills and quickly lan...
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ImplementQueueusingStacks_LeetCode232
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JAVA
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JAVA_ImplementQueueusingStacks
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JAVA_ImplementQueueusingStacks_LeetCode232
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JAVA_LeetCode232
