Compilare: main.cpp: In function 'int main()': main.cpp:10:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("move.in", "r", stdin); ^ main.cpp:11:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("move.out", "w", stdout); ^ main.cpp:38:23: warning: 'dr' may be used uninitialized in this function [-Wmaybe-uninitialized] for (int i = dr + 1; i <= n; i++) ^ main.cpp:35:23: warning: 'st' may be used uninitialized in this function [-Wmaybe-uninitialized] for (int i = st - 1; i > 0; i--) ^