Compilare: user.cpp: In function ‘int main()’: user.cpp:40:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(b>=0&&c<=po&&a[0][b]==a[0][c]&&a[1][b]+a[1][c]>=3) ^ user.cpp:46:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(c==po+1) ^ user.cpp:56:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] {if(c==po+1) ^ user.cpp:8:26: warning: variable ‘l’ set but not used [-Wunused-but-set-variable] int v,sepoate=1,nu=0,l=0; ^ user.cpp:9:54: warning: unused variable ‘j’ [-Wunused-variable] unsigned long long n,a[2][20000]={0},k=1,poz=1,i,j,x,max,po,fin=0; ^