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TCS NQT Technical and Managerial Round Interview Questions

Heighest frequencyletter in the input string

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Return the character which occurs for the maximum numbers of times in the Input String.
If multiple characters occur with the same highest frequency then return "0".


using namespace std;
int main()
    string s;
    int n = s.length();
    int hash[26]={0};
    int count=0,ans=-1,in=-1;
    for(auto i:s)
             hash[i-'a']  ;
    for(int i=0;i

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