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Source Code
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#include <iostream>
#include <vector>
using namespace std;
int maxFreqofChars(string s, char *ch)
{
int N = s.length();
int maxCount = 0;
vector<int> charCount(26);
for (int i = 0; i < N; i++) {
//cout << s[i] - 'A' << " stores " << s[i] << endl;
charCount[s[i] -'A']++;
if (maxCount < charCount[s[i] - 'A']) {
maxCount = charCount[s[i] - 'A'];
*ch = s[i];
}
}
return maxCount;
}
int main()
{
//string s = "AABABBA";
string s = "ABCDEFGHIJKLMNOPQRSTUVWXYZK";
char ch = ' ';
int freq = maxFreqofChars(s, &ch);
cout << "The maximum frequency of the char [" << ch << "] in an array " << s << " is " << freq << endl;
return 0;
}
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