Compilare: main.cpp: In function 'void solve()': main.cpp:22:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 1; i <= zile; i++) { ~~^~~~~~~ main.cpp:17:12: warning: unused variable 'j' [-Wunused-variable] int i, j, pr; ^ main.cpp:17:15: warning: unused variable 'pr' [-Wunused-variable] int i, j, pr; ^~ main.cpp:18:24: warning: unused variable 'sens' [-Wunused-variable] unsigned int a, b, sens, last_acvariu = 0; ^~~~