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C++ program to find the frequency of a character in a string using Count Array

mahmoud2506
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2022-05-04
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C++ program to find the frequency of a character in a string using Count Array

Through this program our aim is to see the implementation (how it works) of count array and its use.

In general, the solution of this problem can be achieved by a simple program as:

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mahmoud2506
2022-05-04
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#include<iostream>
#include<cstring>
using namespace std;

int main()
{ 
	string s;
	char k; int i,c=0;

	cout<<"Enter String:";
	cin>>s;
	cout<<"Enter Character(a-z) : ";
	cin>>k;

	for(i=0;i<s.size();i++)     // size() return the size of the string   
	{ 
		if(s[i]==k)             /*here we check for each string element,if string element s[i] is 
		equalto character k then increase c by 1.*/
		c++;
	}
	cout<<k<<" occurs "<<c<<" times"<<endl;
	return 0;
}

Output

Enter String:IncludeHelp
Enter Character(a-z) : l
l occurs 2 times

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