Compilare: user.cpp: In function ‘int main()’: user.cpp:9:8: warning: comparisons like ‘X<=Y<=Z’ do not have their mathematical meaning [-Wparentheses] while(1<=p<=n & 1<=q<=n) ^ user.cpp:9:18: warning: comparisons like ‘X<=Y<=Z’ do not have their mathematical meaning [-Wparentheses] while(1<=p<=n & 1<=q<=n) ^ user.cpp:9:11: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] while(1<=p<=n & 1<=q<=n) ^ user.cpp:13:5: warning: ‘v’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<v; ^