Borderou de evaluare (job #802986)

Compilare: main.cpp: In function 'int32_t main()': main.cpp:4:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 4 | #define forn(i,n) for(int i=0; i<(n); ++i) | ^ main.cpp:21:5: note: in expansion of macro 'forn' 21 | forn(i, S.size()) | ^~~~ main.cpp:17:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 17 | freopen("paranteze2.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:18:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 18 | freopen("paranteze2.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~