Compilare: main.cpp: In function 'void Solve(ura*, float*)': main.cpp:43:15: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 43 | if(sol==-1) | ~~~^~~~ main.cpp: In function 'void Show(ura*, float*)': main.cpp:63:10: warning: unused variable 'ok' [-Wunused-variable] 63 | bool ok=true; | ^~