Eroare de compilare: user.cpp:6:23: error: size of array ‘a’ is too large int n,m,a[50001][50001],x[50001],j,viz[50001]; ^ user.cpp: In function ‘void citire()’: user.cpp:13:19: error: ‘a’ was not declared in this scope f>>x1>>x2,a[x1][x2]=1; ^ user.cpp: In function ‘void df(int)’: user.cpp:19:12: error: ‘a’ was not declared in this scope if(a[k][i]&&!viz[i]) ^