Eroare de compilare: user.cpp: In function ‘void border()’: user.cpp:9:19: error: ‘n’ was not declared in this scope for (int i=0; i<=n+1;i++) ^ user.cpp:10:4: error: ‘a’ was not declared in this scope a[0][i] = a[i][0] = a[n+1][i] = a[i][n+1] = -1; ^ user.cpp: In function ‘void LEE()’: user.cpp:16:16: error: ‘n’ was not declared in this scope for (i=1;i<=n;i++) ^ user.cpp:18:12: error: ‘a’ was not declared in this scope if (a[i][j] == pas) { ^ user.cpp: In function ‘int main()’: user.cpp:42:27: warning: unused variable ‘t’ [-Wunused-variable] int a[251][251],n, i, j, t, z, nr=0; ^ user.cpp:42:30: warning: unused variable ‘z’ [-Wunused-variable] int a[251][251],n, i, j, t, z, nr=0; ^ user.cpp:42:33: warning: unused variable ‘nr’ [-Wunused-variable] int a[251][251],n, i, j, t, z, nr=0; ^