View Compilation Error

0_0_37580459_7402.cpp:9:12: error: expected initializer before 'long'
 #define ll long long
            ^
0_0_37580459_7402.cpp:54:1: note: in expansion of macro 'll'
 ll cnt[N];
 ^
0_0_37580459_7402.cpp: In function 'void solve()':
0_0_37580459_7402.cpp:57:12: error: 'cnt' was not declared in this scope
     memset(cnt,0,sizeof cnt);
            ^
0_0_37580459_7402.cpp:60:21: error: 'a' was not declared in this scope
         scanf("%d",&a[i]);
                     ^
0_0_37580459_7402.cpp:63:10: error: 'a' was not declared in this scope
     sort(a+1,a+1+n);
          ^