Borderou de evaluare (job #719491)

Compilare: main.cpp: In function 'int main()': main.cpp:21:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 21 | for (i = 0; i < s1.length(); i++) | ~~^~~~~~~~~~~~~ main.cpp:25:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 25 | for (i = 0; i < s2.length(); i++) | ~~^~~~~~~~~~~~~ main.cpp:15:13: warning: unused variable 'len1' [-Wunused-variable] 15 | int len1, len2; | ^~~~ main.cpp:15:19: warning: unused variable 'len2' [-Wunused-variable] 15 | int len1, len2; | ^~~~