Compilare: main.cpp:8:0: warning: ignoring #pragma warning [-Wunknown-pragmas] #pragma warning(disable:4996) main.cpp: In function 'int lca(int, int)': main.cpp:98:6: warning: unused variable 'x' [-Wunused-variable] int x = a, y = b; ^ main.cpp:98:13: warning: unused variable 'y' [-Wunused-variable] int x = a, y = b; ^ main.cpp: In member function 'char InParser::read()': main.cpp:19:29: 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); ^