Compilare: main.c: In function 'main': main.c:13:41: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized] 13 | return sqrt((x1 - x2)*(x1 - x2) + (y1 - y2)*(y1 - y2)); | ~~~~^~~~~ main.c:46:12: note: 'y' was declared here 46 | double x,y; | ^ main.c:13:19: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] 13 | return sqrt((x1 - x2)*(x1 - x2) + (y1 - y2)*(y1 - y2)); | ~~~~^~~~~ main.c:46:10: note: 'x' was declared here 46 | double x,y; | ^