Eroare de compilare: main.cpp:8:23: error: unable to find numeric literal operator 'operator""s' const int DIM = (1 << 18s); ^~~ main.cpp:8:23: note: use -std=gnu++11 or -fext-numeric-literals to enable more built-in suffixes main.cpp: In function 'char next_char()': main.cpp:25:23: error: size of array 'buff' is not an integral constant-expression static char buff[DIM]; ^ main.cpp: In function 'int main()': main.cpp:47:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("mine.in", "r", stdin); ^ main.cpp:48:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("mine.out", "w", stdout); ^ Non zero exit status: 1