Compilare: main.cpp: In function 'void radix_sort(int)': main.cpp:13:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < numere.size(); i++) { ~~^~~~~~~~~~~~~~~ main.cpp:20:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (impartiri_nule != numere.size()) { ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:33:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("algsort.in", "r", stdin); ^ main.cpp:34:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("algsort.out", "w", stdout); ^ main.cpp:36:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ main.cpp:38:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &nr); ^