View Compilation Error

0_0_37162070_4835.cpp: In function 'int main()':
0_0_37162070_4835.cpp:35:24: error: cannot convert 'int*' to 'char*' for argument '1' to 'void insert(char*)'
             insert(s[i]);    
                        ^
0_0_37162070_4835.cpp:38:28: error: cannot convert 'int*' to 'char*' for argument '1' to 'int search(char*)'
             if(!search(s[i])) break;
                            ^