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Leetcode Problem 739. Daily Temperatures
739. Daily Temperatures
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Leetcode Solutions
Monotonic Stack Approach
Solution Idea
Algorithm Steps
Code Implementation
Complexity Analysis
Initialize an array
answer
with the same length as
temperatures
with all values set to
0
.
Initialize an empty stack.
Iterate through
temperatures
using an index
currDay
.
While the stack is not empty and the current temperature is warmer than the temperature at the index on the top of the stack:
Pop the top index
prevDay
from the stack.
Calculate the number of days
currDay - prevDay
and update
answer[prevDay]
.
Push
currDay
onto the stack.
Return
answer
.
Brute Force Approach
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