Compilare: main.cpp: In function 'int main()': main.cpp:64:25: warning: unused variable 'val2' [-Wunused-variable] int val2 = sus[poz]; ^~~~ main.cpp:61:17: warning: 'down' may be used uninitialized in this function [-Wmaybe-uninitialized] if ( down == 1 ) ^~ main.cpp:80:47: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] if ( sus[j] == sus[i] || jos[j] == sus[i] ) ~~~~~^