Compilare: user.cpp: In function ‘int main()’: user.cpp:59:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(p.z==moves.size()-1) v[p.x][p.y]=1; ^ user.cpp:69:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(p.z<moves.size()-1) ^ user.cpp:28:41: warning: variable ‘sol2’ set but not used [-Wunused-but-set-variable] int n, m, i, j, nr1=0, nr2=0, sol1, sol2; ^