split.cpp: In function 'void dfs(int)':
split.cpp:15:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(stac.size()==bb){
~~~~~~~~~~~^~~~
split.cpp:18:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int j=0;j<adj[no].size();j++){
~^~~~~~~~~~~~~~~
split.cpp:19:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(stac.size()==bb){
~~~~~~~~~~~^~~~
split.cpp: In function 'std::vector<int> find_split(int, int, int, int, std::vector<int>, std::vector<int>)':
split.cpp:57:9: error: could not convert '0' from 'int' to 'std::vector<int>'
return 0;
^