View Compilation Error

0_0_31082007_15474.cpp: In function 'int main()':
0_0_31082007_15474.cpp:7:34: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
  while((scanf("%d",&a)==1))&++d<=c){
                                  ^
0_0_31082007_15474.cpp:7:35: error: expected ';' before ')' token
  while((scanf("%d",&a)==1))&++d<=c){
                                   ^
0_0_31082007_15474.cpp:12:2: error: expected ';' before 'return'
  return 0;
  ^