View Compilation Error

0_0_17663895_1443.cpp:5:2: error: stray '\' in program
  scanf(\"%d\", &n);
  ^
0_0_17663895_1443.cpp:5:2: error: missing terminating " character
0_0_17663895_1443.cpp:8:3: error: stray '\' in program
   scanf(\"%d\", &N);
   ^
0_0_17663895_1443.cpp:8:3: error: missing terminating " character
0_0_17663895_1443.cpp:12:3: error: stray '\' in program
   printf(\"%d\\n\", (int)x2);
   ^
0_0_17663895_1443.cpp:12:3: error: missing terminating " character
0_0_17663895_1443.cpp: In function 'int main()':
0_0_17663895_1443.cpp:6:2: error: expected primary-expression before 'while'
  while (n--) {
  ^