Compilare: main.cpp: In function 'int add(int*, int, int, int)': main.cpp:11:10: warning: statement has no effect [-Wunused-value] 11 | for (i ; i<=n;i+=ub(i)) | ^ main.cpp:15:1: warning: no return statement in function returning non-void [-Wreturn-type] 15 | } | ^ main.cpp: In function 'int sum(int*, int)': main.cpp:22:1: warning: no return statement in function returning non-void [-Wreturn-type] 22 | } | ^ main.cpp: In function 'int sum2(int*, int, int)': main.cpp:25:9: warning: unused variable 'ans' [-Wunused-variable] 25 | int ans=sum(aib,poz2)-sum(aib,poz1-1); | ^~~ main.cpp:26:1: warning: no return statement in function returning non-void [-Wreturn-type] 26 | } | ^ main.cpp: In function 'int cb(int*, int, int)': main.cpp:44:1: warning: control reaches end of non-void function [-Wreturn-type] 44 | } | ^