View Compilation Error

0_0_31961602_30903.cpp:9:2: error: stray '\' in program
  scanf(\"%d\", &N);
  ^
0_0_31961602_30903.cpp:9:2: error: missing terminating " character
0_0_31961602_30903.cpp:13:3: error: stray '\' in program
   scanf(\"%I64d\", &k);
   ^
0_0_31961602_30903.cpp:13:3: error: missing terminating " character
0_0_31961602_30903.cpp:14:3: error: stray '\' in program
   printf(\"%I64d\\n\", x[k * 2] - 2 * k);
   ^
0_0_31961602_30903.cpp:14:3: error: missing terminating " character
0_0_31961602_30903.cpp: In function 'int main()':
0_0_31961602_30903.cpp:10:2: error: expected primary-expression before 'while'
  while (N--)
  ^