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Hello sword4869/learn_algorithm
Less than 1 minute
都是小写。
queue
<
int
>
q
;
stack
<
int
>
s
;
q
.
emplace
(
root
)
;
s
.
emplace_back
(
root
)
;
v
.
emplace_back
(
root
)
;
Prev
queue stack.md