Eroare de compilare: user.cpp: In function ‘int citire()’: user.cpp:16:10: error: ‘x’ was not declared in this scope f >> x >> y; ^ user.cpp:16:15: error: ‘y’ was not declared in this scope f >> x >> y; ^ user.cpp:7:26: warning: unused variable ‘viz’ [-Wunused-variable] int a[1000][1000], n, m, viz[1000], c; ^~~ user.cpp:7:37: warning: unused variable ‘c’ [-Wunused-variable] int a[1000][1000], n, m, viz[1000], c; ^ user.cpp:19:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void DFS(int)’: user.cpp:24:1: error: ‘viz’ was not declared in this scope viz[nod]=1; ^~~ user.cpp:25:16: error: ‘n’ was not declared in this scope for(int j=1;j<=n;++j) ^ user.cpp:26:8: error: ‘a’ was not declared in this scope if(a[nod][j]==1) ^ user.cpp: In function ‘int main()’: user.cpp:39:22: error: ‘n’ was not declared in this scope for (i = 1; i <= n; i++) ^ user.cpp:40:14: error: ‘viz’ was not declared in this scope if (!viz[i]) ^~~ user.cpp:41:11: error: ‘c’ was not declared in this scope { c++; ^ user.cpp:42:17: error: ‘j’ was not declared in this scope DFS(j); ^ user.cpp:45:8: error: ‘c’ was not declared in this scope cout<<c<<" "; ^