Compilare: user.cpp: In function ‘int update(int, int, int, int, int, int)’: user.cpp:21:43: warning: no return statement in function returning non-void [-Wreturn-type] update(2*nod+2,mij+1,right,mij+1,r,val);}}} ^ user.cpp: In function ‘int query(int, int, int, int, int)’: user.cpp:34:38: warning: no return statement in function returning non-void [-Wreturn-type] query(2*nod+2,mij+1,right,mij+1,r);}}} ^ user.cpp: In function ‘int main()’: user.cpp:36:28: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("kth.in","r",stdin); ^ user.cpp:37:30: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("kth.out","w",stdout); ^ user.cpp:39:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ user.cpp:41:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&x); ^ user.cpp:44:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d",&tip,&a,&b,&k); ^