boxes.cpp:5:41: error: expected ',' or '...' before 'positions'
5 | int delivery(int N, int K, int L, int[] positions){
| ^~~~~~~~~
boxes.cpp:5:5: error: ambiguating new declaration of 'int delivery(int, int, int, int*)'
5 | int delivery(int N, int K, int L, int[] positions){
| ^~~~~~~~
In file included from boxes.cpp:2:
boxes.h:4:11: note: old declaration 'long long int delivery(int, int, int, int*)'
4 | long long delivery(int N, int K, int L, int p[]);
| ^~~~~~~~
boxes.cpp: In function 'int delivery(int, int, int, int*)':
boxes.cpp:8:12: error: 'positions' was not declared in this scope
8 | if(positions[i] > L/2) ans += (L-positions[i])*2;
| ^~~~~~~~~