Borderou de evaluare (job #803763)

Compilare: main.cpp: In function 'bool is_subsequence(const std::string&, const std::string&)': main.cpp:9:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 9 | while (i < x_str.length() && j < n_str.length()) { | ~~^~~~~~~~~~~~~~~~ main.cpp:9:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 9 | while (i < x_str.length() && j < n_str.length()) { | ~~^~~~~~~~~~~~~~~~ main.cpp:15:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 15 | return i == x_str.length(); | ~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:36:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 36 | freopen("bug.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:37:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 37 | freopen("bug.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~