Owl Get a Life

Compile Error

lunchbox.cpp: In function ‘int main()’:
lunchbox.cpp:17:11: error: request for member ‘begin’ in ‘arr’, which is of non-class type ‘long long int [m]’
17 | sort(arr.begin(),arr.end())
| ^~~~~
lunchbox.cpp:17:23: error: request for member ‘end’ in ‘arr’, which is of non-class type ‘long long int [m]’
17 | sort(arr.begin(),arr.end())
| ^~~
lunchbox.cpp:19:17: error: ‘i’ was not declared in this scope
19 | for(int i=0;i<m;i++){
| ^