Eroare de compilare: user.cpp:3:1: error: declaration does not declare anything [-fpermissive] int ; ^ user.cpp: In function ‘int main()’: user.cpp:5:5: error: ‘in’ was not declared in this scope in>>n; ^ user.cpp:5:9: error: ‘n’ was not declared in this scope in>>n; ^ user.cpp:6:9: error: ‘xp’ was not declared in this scope in>>xp>>yp; ^ user.cpp:6:13: error: ‘yp’ was not declared in this scope in>>xp>>yp; ^ user.cpp:7:9: error: ‘i’ was not declared in this scope for(i=1; i<=n; i++){ ^ user.cpp:8:13: error: ‘x’ was not declared in this scope in>>x>>y; ^ user.cpp:8:16: error: ‘y’ was not declared in this scope in>>x>>y; ^ user.cpp:12:18: error: ‘x1max’ was not declared in this scope if(x>x1max) ^ user.cpp:14:13: error: ‘x1’ was not declared in this scope x1[++k1]=x; ^ user.cpp:14:18: error: ‘k1’ was not declared in this scope x1[++k1]=x; ^ user.cpp:15:13: error: ‘y1’ was not declared in this scope y1[k1]=y; ^ user.cpp:18:13: error: ‘x2’ was not declared in this scope x2[++k2]=x; ^ user.cpp:18:18: error: ‘k2’ was not declared in this scope x2[++k2]=x; ^ user.cpp:19:13: error: ‘y2’ was not declared in this scope y2[k2]=y; ^ user.cpp:22:13: error: ‘x3’ was not declared in this scope x3[++k3]=x; ^ user.cpp:22:18: error: ‘k3’ was not declared in this scope