Compilare: main.cpp: In function 'bool intersect(date, date)': main.cpp:95:47: warning: self-comparison always evaluates to true [-Wtautological-compare] 95 | if(!((v1.x==v2.x)||(v1.y==v2.y)||(v2.z==v2.z))) | ~~~~^~~~~~ main.cpp:71:9: warning: variable 'x' set but not used [-Wunused-but-set-variable] 71 | int x, y, z; | ^ main.cpp:71:12: warning: variable 'y' set but not used [-Wunused-but-set-variable] 71 | int x, y, z; | ^ main.cpp:71:15: warning: variable 'z' set but not used [-Wunused-but-set-variable] 71 | int x, y, z; | ^