Eroare de compilare: user.cpp:8:1: error: ‘vector’ does not name a type vector <int > G[maxc]; ^ user.cpp: In function ‘int findn(int)’: user.cpp:12:10: error: ‘i’ was not declared in this scope for (i=x; G[i]!=i;i=G[i]) ///caut radacina ^ user.cpp:20:12: error: ‘i’ was not declared in this scope return i; ^ user.cpp: In function ‘void rezolv()’: user.cpp:29:29: error: ‘x’ was not declared in this scope scanf("%d%d%d",&op,&x,&y); ^ user.cpp: In function ‘int findn(int)’: user.cpp:21:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘void rezolv()’: user.cpp:26:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ user.cpp: In function ‘int main()’: user.cpp:40:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("disjoint.in","r",stdin); ^ user.cpp:41:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("disjoint.out","w",stdout); ^