Compilare: main.cpp: In function 'int main()': main.cpp:72:27: warning: variable 'x1' set but not used [-Wunused-but-set-variable] int n,i,XI,YI,c=0,ind,x1,x2,x3,y1,y2,y3; ^~ main.cpp:72:30: warning: variable 'x2' set but not used [-Wunused-but-set-variable] int n,i,XI,YI,c=0,ind,x1,x2,x3,y1,y2,y3; ^~ main.cpp:72:33: warning: variable 'x3' set but not used [-Wunused-but-set-variable] int n,i,XI,YI,c=0,ind,x1,x2,x3,y1,y2,y3; ^~ main.cpp:72:36: warning: variable 'y1' set but not used [-Wunused-but-set-variable] int n,i,XI,YI,c=0,ind,x1,x2,x3,y1,y2,y3; ^~ main.cpp:72:39: warning: variable 'y2' set but not used [-Wunused-but-set-variable] int n,i,XI,YI,c=0,ind,x1,x2,x3,y1,y2,y3; ^~ main.cpp:72:42: warning: variable 'y3' set but not used [-Wunused-but-set-variable] int n,i,XI,YI,c=0,ind,x1,x2,x3,y1,y2,y3; ^~ main.cpp:94:20: warning: 'ind' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<'\n'<<ind; ^ main.cpp:91:9: warning: 'maxx' may be used uninitialized in this function [-Wmaybe-uninitialized] if(q>maxx) ^~