cleaning.cpp: In function 'int getleaf(int)':
cleaning.cpp:24:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
24 | for(int i=0;i<son[v].size();i++) {
| ~^~~~~~~~~~~~~~
cleaning.cpp: In function 'void dfs(int, int)':
cleaning.cpp:49:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
49 | for(int i=0;i<adj[v].size();i++) {
| ~^~~~~~~~~~~~~~
cleaning.cpp: In function 'int main()':
cleaning.cpp:124:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
124 | for(int j=0;j<son[rev[i]].size();j++) {
| ~^~~~~~~~~~~~~~~~~~~
cleaning.cpp:168:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
168 | for(int j=0;j<save.size();j++) {
| ~^~~~~~~~~~~~
cleaning.cpp:181:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
181 | for(int j=0;j<save.size();j++) {
| ~^~~~~~~~~~~~
cleaning.cpp:89:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
89 | scanf("%d %d",&n,&q);
| ~~~~~^~~~~~~~~~~~~~~
cleaning.cpp:93:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
93 | scanf("%d %d",&u,&v);
| ~~~~~^~~~~~~~~~~~~~~
cleaning.cpp:137:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
137 | scanf("%d",&k);
| ~~~~~^~~~~~~~~
cleaning.cpp:139:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
139 | scanf("%d",&x);
| ~~~~~^~~~~~~~~
cleaning.cpp:157:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
157 | scanf("%d",&v);
| ~~~~~^~~~~~~~~