View Compilation Error

0_0_33338053_14017.cpp: In function 'void solve()':
0_0_33338053_14017.cpp:18:28: error: too few arguments to function 'bool match(char, char)'
         if(!match(s[i,t[i]])){
                            ^
0_0_33338053_14017.cpp:9:6: note: declared here
 bool match(char x,char y){
      ^