Compilare: main.cpp: In function 'void lee()': main.cpp:65:74: warning: suggest parentheses around comparison in operand of '==' [-Wparentheses] (inext=segmcurrent.x1==segmcurrent.x2 || jnext == segmcurrent.y1==segmcurrent.y2)) ~~~~~~^~~~~~~~~~~~~~~~~ main.cpp:56:21: warning: unused variable 'turn' [-Wunused-variable] int turn=0; ^~~~ main.cpp:29:23: warning: unused variable 'segmnext' [-Wunused-variable] segm segmcurrent, segmnext; ^~~~~~~~