Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:108:18: error: request for member ‘empty’ in ‘C’, which is of non-class type ‘int [2][260100]’ while(!C.empty) ^ user.cpp:110:15: error: request for member ‘push_front’ in ‘C’, which is of non-class type ‘int [2][260100]’ C.push_front() ^ user.cpp:65:13: warning: unused variable ‘k’ [-Wunused-variable] int k; ^ user.cpp:66:27: warning: unused variable ‘p’ [-Wunused-variable] int C[2][510*510],p=0,u=0,x,y,xx,yy; ^ user.cpp:66:35: warning: unused variable ‘x’ [-Wunused-variable] int C[2][510*510],p=0,u=0,x,y,xx,yy; ^ user.cpp:66:37: warning: unused variable ‘y’ [-Wunused-variable] int C[2][510*510],p=0,u=0,x,y,xx,yy; ^ user.cpp:66:39: warning: unused variable ‘xx’ [-Wunused-variable] int C[2][510*510],p=0,u=0,x,y,xx,yy; ^ user.cpp:66:42: warning: unused variable ‘yy’ [-Wunused-variable] int C[2][510*510],p=0,u=0,x,y,xx,yy; ^