Compilare: main.cpp: In function 'void LCA_::Precompute()': main.cpp:43:63: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] int a = st[bit - 1][i], b = st[bit - 1][i + (1 << bit - 1)]; ~~~~^~~ main.cpp: In function 'int main()': main.cpp:80:37: warning: unused variable 'c' [-Wunused-variable] int a = GetInt(), b = GetInt(), c = GetInt(); ^ main.cpp: In function 'char GetChar()': main.cpp:9:37: 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, BUFF_SIZE, stdin); ^