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Leetcode Problem 1189. Maximum Number of Balloons
1189. Maximum Number of Balloons
AI Mock Interview
Leetcode Solutions
Counting Characters Approach
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Complexity Analysis
Initialize a dictionary to store the frequency of the characters 'b', 'a', 'l', 'o', and 'n' in
text
.
Iterate over each character in
text
and update the frequency in the dictionary.
Since 'l' and 'o' are needed twice in 'balloon', divide their frequencies by 2.
Find the minimum frequency among these characters, which will be the bottleneck.
Return the minimum frequency as the maximum number of 'balloon' instances that can be formed.
Sorting and Matching Approach
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