Compilare: user.cpp: In function ‘int main()’: user.cpp:49:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=1;j<=k;++j)if(vmin[pozitie(i,j,k)]<xmin){xmin=vmin[pozitie(i,j,k)]; ^ user.cpp:61:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(xmin==vmin[pozitie(i,j-1,k)])--j; ^ user.cpp:62:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(xmin==vmin[pozitie(i-1,j,k)])--i; ^ user.cpp:63:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(xmin==vmin[pozitie(i-1,j-1,k)])--i,--j; ^