View Compilation Error

0_0_21598975_21906.cpp:79:23: error: stray '#' in program
         s[strlen(s)]='$';
                       ^
0_0_21598975_21906.cpp:79:29: error: stray '#' in program
         s[strlen(s)]='$';
                             ^
0_0_21598975_21906.cpp: In function 'int main()':
0_0_21598975_21906.cpp:79:24: error: lvalue required as unary '&' operand
         s[strlen(s)]='$';
                        ^
0_0_21598975_21906.cpp:79:27: error: '$' was not declared in this scope
         s[strlen(s)]='$';
                           ^