Borderou de evaluare (job #794638)

Compilare: main.cpp: In function 'int main()': main.cpp:23:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 23 | for(int i = 0; i < s.size(); i++) | ~~^~~~~~~~~~ main.cpp:11:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 11 | freopen("alfanumeric.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:12:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 12 | freopen("alfanumeric.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~