boxes.cpp: In function 'long long int delivery(long long int, int, int, int*)':
boxes.cpp:6:30: warning: unused parameter 'N' [-Wunused-parameter]
6 | long long delivery(long long N, int K, int L, int positions[]) {
| ~~~~~~~~~~^
boxes.cpp:6:37: warning: unused parameter 'K' [-Wunused-parameter]
6 | long long delivery(long long N, int K, int L, int positions[]) {
| ~~~~^
boxes.cpp:6:44: warning: unused parameter 'L' [-Wunused-parameter]
6 | long long delivery(long long N, int K, int L, int positions[]) {
| ~~~~^
boxes.cpp:6:51: warning: unused parameter 'positions' [-Wunused-parameter]
6 | long long delivery(long long N, int K, int L, int positions[]) {
| ~~~~^~~~~~~~~~~
/usr/bin/ld: /tmp/ccyJipi0.o: in function `main':
grader.c:(.text.startup+0x1ef): undefined reference to `delivery(int, int, int, int*)'
collect2: error: ld returned 1 exit status