View Compilation Error

0_0_28469252_11921.c: In function 'main':
0_0_28469252_11921.c:3:2: error: missing terminating " character
  int a,b,n;scanf("%d",&n");
  ^
0_0_28469252_11921.c:4:2: error: expected ')' before 'while'
  while(n--)
  ^
0_0_28469252_11921.c:6:2: error: expected ';' before '}' token
  }
  ^
0_0_28469252_11921.c: At top level:
0_0_28469252_11921.c:7:1: error: expected identifier or '(' before '}' token
 }
 ^