View Compilation Error

0_0_17959864_22409.cpp:7:1: error: 'll' does not name a type
 ll t,n,k,m;
 ^
0_0_17959864_22409.cpp:8:1: error: 'll' does not name a type
 ll a[N];
 ^
0_0_17959864_22409.cpp: In function 'int main()':
0_0_17959864_22409.cpp:11:14: error: 't' was not declared in this scope
  scanf("%d",&t);
              ^
0_0_17959864_22409.cpp:14:19: error: 'n' was not declared in this scope
   scanf("%d%d%d",&n,&m,&k);
                   ^
0_0_17959864_22409.cpp:14:22: error: 'm' was not declared in this scope
   scanf("%d%d%d",&n,&m,&k);
                      ^
0_0_17959864_22409.cpp:14:25: error: 'k' was not declared in this scope
   scanf("%d%d%d",&n,&m,&k);
                         ^
0_0_17959864_22409.cpp:15:22: error: 'a' was not declared in this scope
   F(i,1,n)scanf("%d",a+i);
                      ^
0_0_17959864_22409.cpp:23:8: error: 'a' was not declared in this scope
     if(a[r]>=m)all++;
        ^
0_0_17959864_22409.cpp:29:8: error: 'a' was not declared in this scope
     if(a[l]>=m)all--;
        ^