single character to String conversion
string exp; //expression getline(cin,exp); stack<int> vs; //value stack (postfix evaluation) stack<string> infix; //infix stack (postfix conversion) stack<string> prefix; //prefix stack (postfix conversion) for(int i=0;i<exp.length();i++){ char ch = exp[i]; if(isdigit(ch)){ vs.push(ch – ‘0’); infix.push(string(1,ch)); prefix.push(string(1,ch)); } } Here I have used string(1,ch) inbuilt constructor to convert single character to a String. But I wanna know, is… Read More single character to String conversion