Compilare: main.cpp: In function 'int main()': main.cpp:22:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j+1<i && abs(S1-S2)>abs(S1-S2+2*V[j+1])) j++, S1+=V[j], S2-=V[j]; ~~~^~ main.cpp:24:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(d==-1 || d>c) ~^~~~ main.cpp:27:19: warning: 'P2' may be used uninitialized in this function [-Wmaybe-uninitialized] g<<P1<<' '<<P2; ^ main.cpp:27:12: warning: 'P1' may be used uninitialized in this function [-Wmaybe-uninitialized] g<<P1<<' '<<P2; ^~~