boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:3:12: error: 'vector' was not declared in this scope
3 | #define vl vector<ll>
| ^~~~~~
boxes.cpp:5:5: note: in expansion of macro 'vl'
5 | vl pref(n),suf(n);
| ^~
boxes.cpp:2:12: error: expected primary-expression before 'long'
2 | #define ll long long
| ^~~~
boxes.cpp:3:19: note: in expansion of macro 'll'
3 | #define vl vector<ll>
| ^~
boxes.cpp:5:5: note: in expansion of macro 'vl'
5 | vl pref(n),suf(n);
| ^~
boxes.cpp:6:22: error: 'n' was not declared in this scope
6 | for (int i = 0;i<n;i++)pref[i] = 1ll * 2 * 1ll * pos[i] + (i >= k ? pref[i - k] : 0);
| ^
boxes.cpp:6:28: error: 'pref' was not declared in this scope
6 | for (int i = 0;i<n;i++)pref[i] = 1ll * 2 * 1ll * pos[i] + (i >= k ? pref[i - k] : 0);
| ^~~~
boxes.cpp:6:69: error: 'k' was not declared in this scope
6 | for (int i = 0;i<n;i++)pref[i] = 1ll * 2 * 1ll * pos[i] + (i >= k ? pref[i - k] : 0);
| ^
boxes.cpp:7:18: error: 'n' was not declared in this scope
7 | for (int i = n - 1;i>=0;i--)suf[i] = 1ll * 2 * 1ll * (1ll * L - 1ll * pos[i]) + (i + k < n ? suf[i + k] : 0);
| ^
boxes.cpp:7:33: error: 'suf' was not declared in this scope
7 | for (int i = n - 1;i>=0;i--)suf[i] = 1ll * 2 * 1ll * (1ll * L - 1ll * pos[i]) + (i + k < n ? suf[i + k] : 0);
| ^~~
boxes.cpp:7:90: error: 'k' was not declared in this scope
7 | for (int i = n - 1;i>=0;i--)suf[i] = 1ll * 2 * 1ll * (1ll * L - 1ll * pos[i]) + (i + k < n ? suf[i + k] : 0);
| ^
boxes.cpp:8:18: error: 'pref' was not declared in this scope
8 | ll ans = min(pref[n - 1],suf[0]);
| ^~~~
boxes.cpp:8:23: error: 'n' was not declared in this scope
8 | ll ans = min(pref[n - 1],suf[0]);
| ^
boxes.cpp:8:30: error: 'suf' was not declared in this scope
8 | ll ans = min(pref[n - 1],suf[0]);
| ^~~
boxes.cpp:8:14: error: 'min' was not declared in this scope
8 | ll ans = min(pref[n - 1],suf[0]);
| ^~~
boxes.cpp:11:57: error: 'k' was not declared in this scope
11 | ans = min(ans,(i >= 1 ? pref[i - 1] : 0) + (i + k < n ? suf[i + k] : 0) + L);
| ^
boxes.cpp:4:24: warning: unused parameter 'N' [-Wunused-parameter]
4 | long long delivery(int N, int K, int L, int pos[]) {
| ~~~~^
boxes.cpp:4:31: warning: unused parameter 'K' [-Wunused-parameter]
4 | long long delivery(int N, int K, int L, int pos[]) {
| ~~~~^