Compilare: main.cpp: In function 'void solve()': main.cpp:64:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | for(int i=0;i<base2_repr.size();i++) { | ~^~~~~~~~~~~~~~~~~~ main.cpp:66:41: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 66 | if((i+1)%k==0 && curr.size()==k) { | ~~~~~~~~~~~^~~ main.cpp:80:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 80 | for(int i=0;i<vn.size();i++) { | ~^~~~~~~~~~ main.cpp:91:28: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 91 | if(vn[i].size()<mx_sz) { | ~~~~~~~~~~~~^~~~~~ main.cpp:104:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 104 | for(int i=0;i<vn.size();i++) { | ~^~~~~~~~~~ main.cpp:107:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 107 | while(i+1<vn.size() && vn[i+1][j]=='1') { | ~~~^~~~~~~~~~ main.cpp:103:13: warning: unused variable 'cnt' [-Wunused-variable] 103 | int cnt=0,currl,currr; | ^~~ main.cpp:120:33: warning: 'r' may be used uninitialized in this function [-Wmaybe-uninitialized] 120 | cout<<res<<" "<<l+1<<" "<<r+1; | ^ main.cpp:120:26: warning: 'l' may be used uninitialized in this function [-Wmaybe-uninitialized] 120 | cout<<res<<" "<<l+1<<" "<<r+1; | ^~~