#include#include using namespace std; int a[27]; int main() { string str; cin>>str; int n = str.size(); for(int i=0;i maxSum){ maxSum = a[i]; index = i; } } cout<<(char)('a'+index)<

#include#include using namespace std; int a[27]; int main() { string str; cin>>str; int n = str.size(); for(int i=0;i maxSum){ maxSum = a[i]; index = i; } } cout<<(char)('a'+index)<