Compilare: main.cpp: In function 'int solve2(int)': main.cpp:40:1: warning: control reaches end of non-void function [-Wreturn-type] 40 | } | ^ main.cpp: In function 'int solve(int, int)': main.cpp:47:1: warning: control reaches end of non-void function [-Wreturn-type] 47 | } | ^