0_0_34823473_1478.cpp: In function 'int dfs(int, int)': 0_0_34823473_1478.cpp:37:35: error: too few arguments to function 'int dfs(int, int)' if(!link[v] || dfs(link[v])) ^ 0_0_34823473_1478.cpp:30:5: note: declared here int dfs(int u,int num) ^