Compilare: main.cpp: In function 'int main()': main.cpp:150:18: warning: 'y4' may be used uninitialized in this function [-Wmaybe-uninitialized] q3=(x4-x1+y4+y1)/2; ~~~~~^~~ main.cpp:144:21: warning: 'y3' may be used uninitialized in this function [-Wmaybe-uninitialized] q1=(x2-x3+y2+y3)/2; ~~~~~~~~~^~~~ main.cpp:145:14: warning: 'y2' may be used uninitialized in this function [-Wmaybe-uninitialized] p1=x2+y2-q1; ~~^~~ main.cpp:150:21: warning: 'y1' may be used uninitialized in this function [-Wmaybe-uninitialized] q3=(x4-x1+y4+y1)/2; ~~~~~~~~~^~~~ main.cpp:150:15: warning: 'x4' may be used uninitialized in this function [-Wmaybe-uninitialized] q3=(x4-x1+y4+y1)/2; ~~^~~ main.cpp:144:15: warning: 'x3' may be used uninitialized in this function [-Wmaybe-uninitialized] q1=(x2-x3+y2+y3)/2; ~~^~~ main.cpp:145:14: warning: 'x2' may be used uninitialized in this function [-Wmaybe-uninitialized] p1=x2+y2-q1; ~~^~~ main.cpp:151:11: warning: 'x1' may be used uninitialized in this function [-Wmaybe-uninitialized] p3=q3-y1+x1; ~~^~~~~~~~~