Compilare: main.c: In function 'add_function': main.c:16:13: warning: unused variable 'j' [-Wunused-variable] 16 | int i,j; | ^ main.c: In function 'knapsack': main.c:45:7: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 45 | for(i=0;i<=*N;i++) | ^~~ main.c:59:13: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 59 | i=*N; | ^ main.c: In function 'main': main.c:80:17: warning: unused variable 'V' [-Wunused-variable] 80 | int N, G, V; | ^