View Compilation Error

0_0_16094445_7987.cpp:20:3: error: stray '\' in program
   score=(float)score\(n-2);
   ^
0_0_16094445_7987.cpp: In function 'int main()':
0_0_16094445_7987.cpp:20:26: error: 'score' cannot be used as a function
   score=(float)score\(n-2);
                          ^