Compilare: main.cpp: In function 'int main()': main.cpp:12:9: warning: unused variable 'a1' [-Wunused-variable] 12 | int a1,b1,c1; | ^~ main.cpp:12:12: warning: unused variable 'b1' [-Wunused-variable] 12 | int a1,b1,c1; | ^~ main.cpp:12:15: warning: unused variable 'c1' [-Wunused-variable] 12 | int a1,b1,c1; | ^~ main.cpp:71:16: warning: 'rez' may be used uninitialized in this function [-Wmaybe-uninitialized] 71 | rez+=a+b+c; | ~~~^~~~~~~