Compilare: user.cpp: In function ‘void intersect(int, int)’: user.cpp:95:21: warning: narrowing conversion of ‘c.Points::x’ from ‘int’ to ‘double’ inside { } [-Wnarrowing] inter[++ni] = {c.x, c.y}; ^ user.cpp:95:21: warning: narrowing conversion of ‘c.Points::y’ from ‘int’ to ‘double’ inside { } [-Wnarrowing] user.cpp: In function ‘bool sameside(int, int)’: user.cpp:182:20: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if(l != i && l != j & l != k) { ^