View Compilation Error

0_0_29987115_26249.cpp: In function 'int main()':
0_0_29987115_26249.cpp:17:6: error: 'll' was not declared in this scope
      ll head=0,m,cnt=0;
      ^
0_0_29987115_26249.cpp:18:13: error: expected ';' before 'i'
      for(ll i=0;i<n;i++){
             ^
0_0_29987115_26249.cpp:18:17: error: 'i' was not declared in this scope
      for(ll i=0;i<n;i++){
                 ^
0_0_29987115_26249.cpp:19:21: error: 'm' was not declared in this scope
       scanf("%lld",&m);
                     ^
0_0_29987115_26249.cpp:20:7: error: 'head' was not declared in this scope
    if(head<m){
       ^
0_0_29987115_26249.cpp:21:5: error: 'cnt' was not declared in this scope
     cnt++;
     ^
0_0_29987115_26249.cpp:23:4: error: 'head' was not declared in this scope
    head=m;
    ^
0_0_29987115_26249.cpp:25:19: error: 'cnt' was not declared in this scope
   printf("%lld\n",cnt);
                   ^