Compilare: user.cpp: In function ‘int main()’: user.cpp:44:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(y + a[1] <= a[2] && x + y <= a[1]) ^ user.cpp:48:54: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(K > 0 && z + a[1] <= a[2] && y + z <= a[1]) ^ user.cpp:61:58: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(K > 0 && z + a[i] <= a[i + 1] && y + z <= a[i]) ^