Compilare: main.cpp: In function 'void normalize()': main.cpp:49:9: warning: unused variable 'j' [-Wunused-variable] int i, j; ^ main.cpp: In function 'void solve()': main.cpp:110:6: warning: variable 'poz' set but not used [-Wunused-but-set-variable] int poz; ^~~ main.cpp: In function 'void display()': main.cpp:130:19: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] sol[nr] = a[poz].initial_value; ~~~~~~~^~~~~~~~~~~~~