Compilare: main.cpp: In function 'void solve1()': main.cpp:14:7: warning: unused variable 'a' [-Wunused-variable] int a, b ; ^ main.cpp:14:10: warning: unused variable 'b' [-Wunused-variable] int a, b ; ^ main.cpp: In function 'void solve2()': main.cpp:34:7: warning: unused variable 'a' [-Wunused-variable] int a, b ; ^ main.cpp:34:10: warning: unused variable 'b' [-Wunused-variable] int a, b ; ^