View Compilation Error

0_0_23434164_2761.c: In function 'main':
0_0_23434164_2761.c:54:3: error: expected expression before '/' token
   //dim
   ^
0_0_23434164_2761.c:57:3: error: expected expression before '/' token
   //read & sort with b
   ^
0_0_23434164_2761.c:61:3: error: expected expression before '/' token
   //printf("%d %d",a[0].b,a[0].e);
   ^
0_0_23434164_2761.c:62:3: error: expected expression before '/' token
   //for(int i = 1;i < sum;i++)
   ^
0_0_23434164_2761.c:65:3: error: expected expression before '/' token
   //count
   ^