Compilare: main.cpp:30:11: warning: multi-character character constant [-Wmultichar] fout<<'-1'; ^~~~ main.cpp: In function 'void rezolva_0(int)': main.cpp:29:7: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized] if(v[p] != x) ~~~^ main.cpp: In function 'void rezolva_1(int)': main.cpp:51:10: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<p<<'\n'; ^~~~ main.cpp: In function 'void rezolva_2(int)': main.cpp:70:10: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<p<<'\n'; ^~~~