boxes.cpp: In function 'll delivery(int, int, int, int*)':
boxes.cpp:7:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
7 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
| ^
boxes.cpp:14:3: note: in expansion of macro 'fp'
14 | fp(i,0,n)
| ^~
boxes.cpp:7:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
7 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
| ^
boxes.cpp:16:3: note: in expansion of macro 'fp'
16 | fp(i,0,n)
| ^~
boxes.cpp:12:24: warning: unused parameter 'k' [-Wunused-parameter]
12 | ll delivery(int n, int k, int l, int p[]) {
| ~~~~^