View Compilation Error

0_0_28372068_28166.cpp: In function 'int main()':
0_0_28372068_28166.cpp:6:17: error: expected initializer before '.' token
     int t,n,nc,k.len;
                 ^
0_0_28372068_28166.cpp:12:9: error: 'k' was not declared in this scope
         k=0;
         ^
0_0_28372068_28166.cpp:13:9: error: 'len' was not declared in this scope
         len=s.length();
         ^