upload: ch09 1406 codes(cpp, py) #18
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gbe0808
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Aug 8, 2023
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| while M > 0: | |
| cmd = input().rstrip() | |
| if cmd[0] == 'L': | |
| if left_lst: | |
| right_lst.append(left_lst.pop()) | |
| elif cmd[0] == 'D': | |
| if right_lst: | |
| left_lst.append(right_lst.pop()) | |
| elif cmd[0] == 'B': | |
| if left_lst: | |
| left_lst.pop() | |
| elif cmd[0] == 'P': | |
| left_lst.append(cmd[2]) | |
| M -= 1 | |
| for _ in range(M): | |
| cmd = input().rstrip() | |
| if cmd[0] == 'L': | |
| if left_lst: | |
| right_lst.append(left_lst.pop()) | |
| elif cmd[0] == 'D': | |
| if right_lst: | |
| left_lst.append(right_lst.pop()) | |
| elif cmd[0] == 'B': | |
| if left_lst: | |
| left_lst.pop() | |
| elif cmd[0] == 'P': | |
| left_lst.append(cmd[2]) |
gbe0808
reviewed
Aug 8, 2023
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Suggested change
| int main(void) | |
| int main() |
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