Why doesn't comparing work? Cpp code error.

Question

While comparing string x[0] to string it prints out error about comparing int to pointer when there are none of both. I am out of ideas maybe you can help?.
https://code.sololearn.com/c0X2lZeN9T13/?ref=app

Answer 1

You are comparing character with string in
if(x[z]>="a"&&x[z]<="z")
Use single quotes for characters...
And
Use this statement, cast to int..

while(y!=(int)x.length()){
And
if(x[z]>='a'&&x[z]<='z')

int z=0; is in loop why? I don't understand, ..!!

Hope it helps...