View Compilation Error

0_0_31064646_2134.cpp:21:6: error: stray '\' in program
      printf("%d",\n);
      ^
0_0_31064646_2134.cpp: In function 'int main()':
0_0_31064646_2134.cpp:21:19: error: 'n' was not declared in this scope
      printf("%d",\n);
                   ^