Compilare: user.cpp: In function ‘int task0(long int, long int, long unsigned int)’: user.cpp:8:46: warning: variable ‘ok’ set but not used [-Wunused-but-set-variable] int task0(long p,long u,unsigned long q){int ok; ^ user.cpp:13:38: warning: control reaches end of non-void function [-Wreturn-type] if(v[mij]<q) return task0(mij+1,u,q);} ^ user.cpp: In function ‘int task1(long int, long int, long unsigned int)’: user.cpp:20:38: warning: control reaches end of non-void function [-Wreturn-type] if(v[mij]<q) return task1(mij+1,u,q);} ^ user.cpp: In function ‘int task2(long int, long int, long unsigned int)’: user.cpp:26:47: warning: control reaches end of non-void function [-Wreturn-type] if(v[mij]>=q) {ok=1; return task2(p,mij-1,q);}} ^