Compilare: main.cpp: In function 'int main()': main.cpp:25:9: warning: unused variable 'cnt' [-Wunused-variable] 25 | int cnt, sol; | ^~~ main.cpp:42:13: warning: 'sol' may be used uninitialized [-Wmaybe-uninitialized] 42 | cout << sol; // ? | ^~~ main.cpp:25:14: note: 'sol' was declared here 25 | int cnt, sol; | ^~~