View Compilation Error

0_0_39603616_32071.cpp: In function 'int main()':
0_0_39603616_32071.cpp:10:10: error: expected ',' or ';' before 'char'
   10 |          char maxc = 'a';
      |          ^~~~
0_0_39603616_32071.cpp:13:24: error: 'maxc' was not declared in this scope
   13 |                if(s[i]>maxc){
      |                        ^~~~
0_0_39603616_32071.cpp:19:29: error: 'maxc' was not declared in this scope
   19 |                    if(s[i]==maxc){
      |                             ^~~~