Borderou de evaluare (job #605902)

Compilare: main.cpp: In function 'int main()': main.cpp:11:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 11 | while(i<a.length() && j<b.length()) | ~^~~~~~~~~~~ main.cpp:11:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 11 | while(i<a.length() && j<b.length()) | ~^~~~~~~~~~~ main.cpp:15:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 15 | while(x<a.length() && y<b.length() && a[x]==b[y]) | ~^~~~~~~~~~~ main.cpp:15:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 15 | while(x<a.length() && y<b.length() && a[x]==b[y]) | ~^~~~~~~~~~~ main.cpp:20:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 20 | if(y==b.length() || (x<a.length() && a[x]>b[y])) | ~^~~~~~~~~~~~ main.cpp:20:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 20 | if(y==b.length() || (x<a.length() && a[x]>b[y])) | ~^~~~~~~~~~~ main.cpp:31:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 31 | while(i<a.length()) | ~^~~~~~~~~~~ main.cpp:36:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 36 | while(j<b.length()) | ~^~~~~~~~~~~