View Compilation Error

0_0_26122209_9504.cpp:9:6: error: 'N' was not declared in this scope
 ll a[N];
      ^
0_0_26122209_9504.cpp: In function 'int solve(int, int)':
0_0_26122209_9504.cpp:14:17: error: 'a' was not declared in this scope
   scanf("%lld",&a[j]);
                 ^
0_0_26122209_9504.cpp:22:6: error: 'a' was not declared in this scope
   if(a[i]<tmp){
      ^
0_0_26122209_9504.cpp:29:8: error: redeclaration of 'long long int q'
     ll q=a[i]%tmp;
        ^
0_0_26122209_9504.cpp:28:8: note: 'long long int q' previously declared here
     ll q=a[i]/tmp;
        ^
0_0_26122209_9504.cpp:30:8: error: 'p' was not declared in this scope
     if(p!=0){
        ^