Leetcode Problem 2579. Count Total Number of Colored Cells
2579. Count Total Number of Colored Cells
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Leetcode Solutions
Sum of Arithmetic Sequences
Solution Idea
Algorithm Steps
Code Implementation
Complexity Analysis
Initialize
total
to 1, which represents the first cell colored in the first minute.
Loop from 1 to n-1 (inclusive) to simulate each minute after the first.
In each iteration, calculate the number of new cells colored by multiplying the current minute by 4.
Subtract 4 from this number to account for the corners being counted twice.
Add the result to
total
.
After the loop, return
total
as the final result.
Mathematical Formula for Sum of Squares
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