Compilare: main.cpp: In function 'void solve()': main.cpp:125:9: warning: unused variable 'j' [-Wunused-variable] 125 | int j; | ^ main.cpp: In function 'bool task2()': main.cpp:145:10: warning: unused variable 'ok' [-Wunused-variable] 145 | bool ok = true; | ^~ main.cpp:146:1: warning: no return statement in function returning non-void [-Wreturn-type] 146 | } | ^