Compilare: user.cpp: In function ‘int update(int, int, int)’: user.cpp:15:29: warning: no return statement in function returning non-void [-Wreturn-type] aib[i].nr=val,aib[i].poz=po;} ^ user.cpp: In function ‘int query(int)’: user.cpp:21:28: warning: no return statement in function returning non-void [-Wreturn-type] num=aib[i].nr,p=aib[i].poz;} ^ user.cpp: In function ‘int main()’: user.cpp:28:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cuburi3.in","r",stdin); ^ user.cpp:29:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cuburi3.out","w",stdout); ^ user.cpp:31:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:33:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&v[i].l,&v[i].g),v[i].ind=i; ^