Compilare: main.cpp: In function 'bool doIntersect(segment, segment)': main.cpp:50:12: warning: suggest parentheses around comparison in operand of '!=' [-Wparentheses] if (o1 != o2 != o3 != o4) ~~~^~~~~ main.cpp:50:18: warning: suggest parentheses around comparison in operand of '!=' [-Wparentheses] if (o1 != o2 != o3 != o4) ~~~~~~~~~^~~~~ main.cpp: In function 'int orientare(int, int, int, int, int, int)': main.cpp:33:1: warning: control reaches end of non-void function [-Wreturn-type] } ^