View Compilation Error

0_0_22422105_26849.cpp: In function 'int main()':
0_0_22422105_26849.cpp:64:23: error: too many arguments to function 'void dfs(int, int)'
             dfs(i,1,-1);
                       ^
0_0_22422105_26849.cpp:10:6: note: declared here
 void dfs(int u,int sum)
      ^