Write a program that counts frequency of each letter in the string (string consists lowercase letters only)
All Answers
total answers (1)
Severity: 8192
Message: str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated
Filename: libraries/Filtered_db.php
Line Number: 23
total answers (1)
Algorithm
Like in str="aaabbccccddef",
str [3] ='b'
Thus, and str [2]-'a'=1
Thus it increases the frequency of 'b' by 1 (array [str [3]-'a'] turns to be array [1] ++)
C++ program to find/print frequency of letters in a string
Output
need an explanation for this answer? contact us directly to get an explanation for this answer