Compilare: main.cpp: In function 'int main()': main.cpp:8:25: warning: variable 'x1' set but not used [-Wunused-but-set-variable] long long c,n,m,val,x1,y1,x2,y2,x3,y3,x4,y4,sty,dry,p=0,ok=0,xx1,yy1,xx2,yy2,xx3,yy3,xx4,yy4; ^~ main.cpp:8:34: warning: variable 'y2' set but not used [-Wunused-but-set-variable] long long c,n,m,val,x1,y1,x2,y2,x3,y3,x4,y4,sty,dry,p=0,ok=0,xx1,yy1,xx2,yy2,xx3,yy3,xx4,yy4; ^~ main.cpp:8:40: warning: variable 'y3' set but not used [-Wunused-but-set-variable] long long c,n,m,val,x1,y1,x2,y2,x3,y3,x4,y4,sty,dry,p=0,ok=0,xx1,yy1,xx2,yy2,xx3,yy3,xx4,yy4; ^~ main.cpp:8:43: warning: variable 'x4' set but not used [-Wunused-but-set-variable] long long c,n,m,val,x1,y1,x2,y2,x3,y3,x4,y4,sty,dry,p=0,ok=0,xx1,yy1,xx2,yy2,xx3,yy3,xx4,yy4; ^~ main.cpp:8:49: warning: unused variable 'sty' [-Wunused-variable] long long c,n,m,val,x1,y1,x2,y2,x3,y3,x4,y4,sty,dry,p=0,ok=0,xx1,yy1,xx2,yy2,xx3,yy3,xx4,yy4; ^~~ main.cpp:8:53: warning: unused variable 'dry' [-Wunused-variable] long long c,n,m,val,x1,y1,x2,y2,x3,y3,x4,y4,sty,dry,p=0,ok=0,xx1,yy1,xx2,yy2,xx3,yy3,xx4,yy4; ^~~ main.cpp:8:61: warning: unused variable 'ok' [-Wunused-variable] long long c,n,m,val,x1,y1,x2,y2,x3,y3,x4,y4,sty,dry,p=0,ok=0,xx1,yy1,xx2,yy2,xx3,yy3,xx4,yy4; ^~