boxes.cpp: In function 'long long int delivery(int, int, int, int)':
boxes.cpp:6:24: warning: unused parameter 'N' [-Wunused-parameter]
6 | long long delivery(int N, int K, int L, int positions) {
| ~~~~^
boxes.cpp:6:31: warning: unused parameter 'K' [-Wunused-parameter]
6 | long long delivery(int N, int K, int L, int positions) {
| ~~~~^
boxes.cpp:6:38: warning: unused parameter 'L' [-Wunused-parameter]
6 | long long delivery(int N, int K, int L, int positions) {
| ~~~~^
boxes.cpp:6:45: warning: unused parameter 'positions' [-Wunused-parameter]
6 | long long delivery(int N, int K, int L, int positions) {
| ~~~~^~~~~~~~~
/usr/bin/ld: /tmp/cc8yk4de.o: in function `main':
grader.c:(.text.startup+0x1ef): undefined reference to `delivery(int, int, int, int*)'
collect2: error: ld returned 1 exit status