Compilare: main.cpp: In function 'int main()': main.cpp:22:6: warning: unused variable 'x1' [-Wunused-variable] 22 | int x1,y1,x2,y2,x3,y3,xp,yp; | ^~ main.cpp:22:9: warning: unused variable 'y1' [-Wunused-variable] 22 | int x1,y1,x2,y2,x3,y3,xp,yp; | ^~ main.cpp:22:12: warning: unused variable 'x2' [-Wunused-variable] 22 | int x1,y1,x2,y2,x3,y3,xp,yp; | ^~ main.cpp:22:15: warning: unused variable 'y2' [-Wunused-variable] 22 | int x1,y1,x2,y2,x3,y3,xp,yp; | ^~ main.cpp:22:18: warning: unused variable 'x3' [-Wunused-variable] 22 | int x1,y1,x2,y2,x3,y3,xp,yp; | ^~ main.cpp:22:21: warning: unused variable 'y3' [-Wunused-variable] 22 | int x1,y1,x2,y2,x3,y3,xp,yp; | ^~ main.cpp:65:20: warning: 'indice' may be used uninitialized [-Wmaybe-uninitialized] 65 | }fout<<indice<<" "; | ^~~ main.cpp:31:12: note: 'indice' was declared here 31 | signed indice,Max=0; | ^~~~~~ In function 'double getD(double, double, double, double, double, double)', inlined from 'double getArie(double, double, double, double, double, double)' at main.cpp:18:12, inlined from 'int main()' at main.cpp:53:30: main.cpp:14:14: warning: 'yMax3' may be used uninitialized [-Wmaybe-uninitialized] 14 | return x1*y2+x2*y3+x3*y1-x3*y2-x1*y3-x2*y1; | ~~^~~ main.cpp: In function 'int main()': main.cpp:30:39: note: 'yMax3' was declared here 30 | int xMax1,yMax1,xMax2,yMax2,xMax3,yMax3; | ^~~~~ In function 'double getD(double, double, double, double, double, double)', inlined from 'double getArie(double, double, double, double, double, double)' at main.cpp:18:12, inlined from 'int main()' at main.cpp:53:30: main.cpp:14:44: warning: 'xMax3' may be used uninitialized [-Wmaybe-uninitialized] 14 | return x1*y2+x2*y3+x3*y1-x3*y2-x1*y3-x2*y1; | ~~^~~ main.cpp: In function 'int main()': main.cpp:30:33: note: 'xMax3' was declared here 30 | int xMax1,yMax1,xMax2,yMax2,xMax3,yMax3; | ^~~~~ In function 'double getD(double, double, double, double, double, double)', inlined from 'double getArie(double, double, double, double, double, double)' at main.cpp:18:12, inlined from 'int main()' at main.cpp:52:30: main.cpp:14:14: warning: 'yMax2' may be used uninitialized [-Wmaybe-uninitialized] 14 | return x1*y2+x2*y3+x3*y1-x3*y2-x1*y3-x2*y1;