floppy.cpp: In function 'void rf()':
floppy.cpp:42:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
42 | freopen ("bai1.inp","r",stdin) ;
| ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
stub.cpp: In function 'void run2()':
stub.cpp:101:30: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
101 | if (query_answers.size() != M) {
| ~~~~~~~~~~~~~~~~~~~~~^~~~
/usr/bin/ld: /tmp/ccVokSKt.o: in function `run2()':
stub.cpp:(.text+0x698): undefined reference to `solve_queries(int, int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<int, std::allocator<int> > const&, std::vector<int, std::allocator<int> > const&)'
/usr/bin/ld: /tmp/ccVokSKt.o: in function `run1()':
stub.cpp:(.text+0xb1d): undefined reference to `read_array(int, std::vector<int, std::allocator<int> > const&)'
collect2: error: ld returned 1 exit status