Eroare de compilare: user.cpp: In function ‘bool dfs(int, int, int)’: user.cpp:14:17: error: expected ‘;’ before ‘t’ for (vec i t = s[x].begin();it != s[x].end();++it) if (!b[x][*it]) b[x][*it] = b[*it][x] = 1,ok |= dfs(*it,y-1,t),b[x][*it] = b[*it][x] = 0; ^ user.cpp:14:19: error: cannot convert ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ to ‘int’ in assignment for (vec i t = s[x].begin();it != s[x].end();++it) if (!b[x][*it]) b[x][*it] = b[*it][x] = 1,ok |= dfs(*it,y-1,t),b[x][*it] = b[*it][x] = 0; ^ user.cpp:14:34: error: ‘it’ was not declared in this scope for (vec i t = s[x].begin();it != s[x].end();++it) if (!b[x][*it]) b[x][*it] = b[*it][x] = 1,ok |= dfs(*it,y-1,t),b[x][*it] = b[*it][x] = 0; ^ user.cpp:14:50: error: expected ‘)’ before ‘;’ token for (vec i t = s[x].begin();it != s[x].end();++it) if (!b[x][*it]) b[x][*it] = b[*it][x] = 1,ok |= dfs(*it,y-1,t),b[x][*it] = b[*it][x] = 0; ^ user.cpp:14:15: warning: unused variable ‘i’ [-Wunused-variable] for (vec i t = s[x].begin();it != s[x].end();++it) if (!b[x][*it]) b[x][*it] = b[*it][x] = 1,ok |= dfs(*it,y-1,t),b[x][*it] = b[*it][x] = 0; ^ user.cpp:14:53: error: ‘it’ was not declared in this scope for (vec i t = s[x].begin();it != s[x].end();++it) if (!b[x][*it]) b[x][*it] = b[*it][x] = 1,ok |= dfs(*it,y-1,t),b[x][*it] = b[*it][x] = 0; ^ user.cpp:14:55: error: expected ‘;’ before ‘)’ token for (vec i t = s[x].begin();it != s[x].end();++it) if (!b[x][*it]) b[x][*it] = b[*it][x] = 1,ok |= dfs(*it,y-1,t),b[x][*it] = b[*it][x] = 0; ^