Ali.cpp: In function 'std::vector<int> {anonymous}::dfs(int, int)':
Ali.cpp:29:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
29 | for(int i=0;i<v[x].size();i++){
| ~^~~~~~~~~~~~
Ali.cpp: In function 'void {anonymous}::dfs2(int, int)':
Ali.cpp:49:22: 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<v[x].size();i++){
| ~^~~~~~~~~~~~
Ali.cpp: In function 'void {anonymous}::dfs3(int, int, int)':
Ali.cpp:66:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
66 | for(int i=0;i<v[x].size();i++){
| ~^~~~~~~~~~~~
Ali.cpp: In function 'std::string SendA(std::string)':
Ali.cpp:125:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
125 | if(i<code[xx].size())res.push_back(code[xx][i]+'0');
| ~^~~~~~~~~~~~~~~~
Ali.cpp:135:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
135 | if(i<code[yy].size())res.push_back(code[yy][i]+'0');
| ~^~~~~~~~~~~~~~~~
grader_ali.cpp:10:8: warning: '{anonymous}::_randmem' defined but not used [-Wunused-variable]
10 | char _randmem[12379];
| ^~~~~~~~
Benjamin.cpp: In function 'void {anonymous}::dfs6(int, int, int)':
Benjamin.cpp:56:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
56 | for(int i=0;i<treel[x].size();i++){
| ~^~~~~~~~~~~~~~~~
Benjamin.cpp: In function 'void {anonymous}::dfs7(int, int, int)':
Benjamin.cpp:64:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
64 | for(int i=0;i<treer[x].size();i++){
| ~^~~~~~~~~~~~~~~~
Benjamin.cpp: At global scope:
Benjamin.cpp:8:20: warning: '{anonymous}::s' defined but not used [-Wunused-variable]
8 | int nn,from,to,s,pos,dis,ld,rd,pt,nd;
| ^