Compilare: user.cpp: In function ‘int main()’: user.cpp:78:9: warning: unused variable ‘i2’ [-Wunused-variable] { int i,i2,j,ok=0; ^ user.cpp:78:14: warning: unused variable ‘ok’ [-Wunused-variable] { int i,i2,j,ok=0; ^ user.cpp: In function ‘int QueryAll(int, int, int, int, int, int)’: user.cpp:37:4: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int QueryPart(int, int, int, int, int, int, int)’: user.cpp:59:4: warning: control reaches end of non-void function [-Wreturn-type] } ^