Eroare de compilare: user.cpp:12:1: error: expected initializer before ‘int’ int lst1[N],lst2[N], vf1[N],vf2[N],urm1[N],urm2[N],nr,n,m; ^ user.cpp: In function ‘void adauga(int, int)’: user.cpp:18:5: error: ‘nr’ was not declared in this scope nr++; ^ user.cpp:19:5: error: ‘vf1’ was not declared in this scope vf1[nr]=y; ^ user.cpp:20:5: error: ‘urm1’ was not declared in this scope urm1[nr]=lst1[x]; ^ user.cpp:20:14: error: ‘lst1’ was not declared in this scope urm1[nr]=lst1[x]; ^ user.cpp: In function ‘void adauga2(int, int)’: user.cpp:24:5: error: ‘nr’ was not declared in this scope nr++; ^ user.cpp:25:5: error: ‘vf2’ was not declared in this scope vf2[nr]=y; ^ user.cpp:26:5: error: ‘urm2’ was not declared in this scope urm2[nr]=lst2[x]; ^ user.cpp:26:14: error: ‘lst2’ was not declared in this scope urm2[nr]=lst2[x]; ^ user.cpp: In function ‘void dfs1(int)’: user.cpp:33:7: error: ‘lst1’ was not declared in this scope p=lst1[x]; ^ user.cpp:35:11: error: ‘vf1’ was not declared in this scope y=vf1[p]; ^ user.cpp:38:11: error: ‘urm1’ was not declared in this scope p=urm1[p]; ^ user.cpp: In function ‘int dfs2(int)’: user.cpp:46:7: error: ‘lst2’ was not declared in this scope p=lst2[x]; ^ user.cpp:48:11: error: ‘vf2’ was not declared in this scope y=vf2[p]; ^ user.cpp:51:11: error: ‘urm2’ was not declared in this scope p=urm2[p]; ^ user.cpp:53:1: warning: no return statement in function returning non-void [-Wreturn-type]