Compilare: main.cpp: In function 'int main()': main.cpp:100:13: warning: unused variable 'nr' [-Wunused-variable] int nr=(1<<lg); ^~ main.cpp: In function 'int calcpct(int)': main.cpp:35:16: warning: 'rasp' may be used uninitialized in this function [-Wmaybe-uninitialized] if(v[rasp].x!=v[i].x-1) return 0; ~~~~~~~~^