library.cpp: In function 'bool check(std::vector<int>, int)':
library.cpp:24:6: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
24 | if(x==a.size())
| ~^~~~~~~~~~
library.cpp: In function 'void find(std::vector<int>, int)':
library.cpp:41:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
41 | for(int i=0;i<a.size();i++)
| ~^~~~~~~~~
library.cpp:43:7: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
43 | if(i<(a.size()/2))
| ~^~~~~~~~~~~~~
library.cpp: In function 'void Solve(int)':
library.cpp:69:7: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
69 | if(x==h.size())
| ~^~~~~~~~~~