Borderou de evaluare (job #688271)

Compilare: main.cpp: In function 'std::string factorial(int, int)': main.cpp:13:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 13 | for (int i = da.length()-k; i < da.length(); i++){ | ~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:37:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 37 | freopen("copii.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:38:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 38 | freopen("copii.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int cati(int)': main.cpp:26:16: warning: 'n' may be used uninitialized in this function [-Wmaybe-uninitialized] 26 | return n; | ^ main.cpp: In function 'std::string divizor(int)': main.cpp:23:26: warning: 'n' may be used uninitialized in this function [-Wmaybe-uninitialized] 23 | n+=1; | ~^~~ main.cpp:20:13: note: 'n' was declared here 20 | int n; | ^ main.cpp:23:26: warning: 'n' may be used uninitialized in this function [-Wmaybe-uninitialized] 23 | n+=1; | ~^~~ main.cpp:20:13: note: 'n' was declared here 20 | int n; | ^