Compilare: main.cpp: In function 'int main()': main.cpp:18:80: warning: 'fs.chestie::y' may be used uninitialized in this function [-Wmaybe-uninitialized] 18 | return ((a.x * b.y + a.y * c.x + b.x * c.y) - (b.y * c.x + a.y * b.x + a.x * c.y)); | ~~~~^~~~~ main.cpp:66:13: note: 'fs.chestie::y' was declared here 66 | chestie fs; | ^~ main.cpp:18:56: warning: 'fs.chestie::x' may be used uninitialized in this function [-Wmaybe-uninitialized] 18 | return ((a.x * b.y + a.y * c.x + b.x * c.y) - (b.y * c.x + a.y * b.x + a.x * c.y)); | ~~~~^~~~~ main.cpp:66:13: note: 'fs.chestie::x' was declared here 66 | chestie fs; | ^~