Solve this question

int main () {

string letter ;

cin>> letter ; 

int size = letter.size();

bool found = false;

for(int c =0; c<size;c++)

}

if (letter.at(c) =='e' )

found = true;

{

if (found == 1)

cout<<" letter 'e' is found "<<endl;

else

cout<<" letter 'e' is not found "<<endl;