Anthony.cpp: In function 'std::vector<int> solve1()':
Anthony.cpp:39:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
39 | for (int i = 0; i < e.size(); i++)
| ~~^~~~~~~~~~
Anthony.cpp: In function 'void Init(int, int)':
Anthony.cpp:65:9: warning: unused variable 'xxx' [-Wunused-variable]
65 | int xxx = 123;
| ^~~
Anthony.cpp: In function 'std::vector<int> Mark(int, int, int, int, std::vector<int>, std::vector<int>)':
Anthony.cpp:61:1: warning: control reaches end of non-void function [-Wreturn-type]
61 | }
| ^
/usr/bin/ld: /tmp/ccQXPveQ.o: in function `main':
grader_catherine.cpp:(.text.startup+0x41c): undefined reference to `Init(int, int)'
/usr/bin/ld: grader_catherine.cpp:(.text.startup+0xcfa): undefined reference to `Move(std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status