Compilare: main.cpp:11:39: warning: left shift count >= width of type [-Wshift-count-overflow] const long long FULL_BUCKET = (1LL << BUCKET_SIZE) - 1; ^~~~~~~~~~~ main.cpp: In function 'void Join(int, int)': main.cpp:121:9: warning: variable 'x' set but not used [-Wunused-but-set-variable] int x = 0; ^ main.cpp: In function 'int main()': main.cpp:298:37: warning: suggest parentheses around assignment used as truth value [-Wparentheses] isActive[N + 1] = sz[N + 1] = 0; ~~~~~~~~~~^~~ main.cpp: In member function 'char InParser::read_ch()': main.cpp:26:38: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, 4096, fin); ^