cleaning.cpp: In function 'int getleaf(int)':
cleaning.cpp:23:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
23 | for(int i=0;i<son[v].size();i++) {
| ~^~~~~~~~~~~~~~
cleaning.cpp: In function 'void dfs(int, int)':
cleaning.cpp:48:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
48 | for(int i=0;i<adj[v].size();i++) {
| ~^~~~~~~~~~~~~~
cleaning.cpp: In function 'int main()':
cleaning.cpp:157:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
157 | for(int j=0;j<save.size();j++) {
| ~^~~~~~~~~~~~
cleaning.cpp:170:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
170 | for(int j=0;j<save.size();j++) {
| ~^~~~~~~~~~~~
cleaning.cpp:88:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
88 | scanf("%d %d",&n,&q);
| ~~~~~^~~~~~~~~~~~~~~
cleaning.cpp:92:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
92 | scanf("%d %d",&u,&v);
| ~~~~~^~~~~~~~~~~~~~~
cleaning.cpp:126:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
126 | scanf("%d",&k);
| ~~~~~^~~~~~~~~
cleaning.cpp:128:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
128 | scanf("%d",&x);
| ~~~~~^~~~~~~~~
cleaning.cpp:146:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
146 | scanf("%d",&v);
| ~~~~~^~~~~~~~~