View Compilation Error

0_0_38258625_6434.cpp:50:31: error: empty character constant
             for(int j=0;s[j]!='';j++)
                               ^
0_0_38258625_6434.cpp:85:9: error: missing terminating " character
         printf("%d
         ^
0_0_38258625_6434.cpp:86:1: error: missing terminating " character
 ",ans);
 ^
0_0_38258625_6434.cpp: In function 'int main()':
0_0_38258625_6434.cpp:87:5: error: expected primary-expression before '}' token
     }
     ^