swap.cpp: In function 'void init(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
swap.cpp:13:19: error: 'class std::vector<int>' has no member named 'sz'; did you mean 'size'?
13 | if((int)W.sz>1)sum=max(W[0],W[1]);
| ^~
| size
swap.cpp:13:28: error: 'max' was not declared in this scope
13 | if((int)W.sz>1)sum=max(W[0],W[1]);
| ^~~
swap.cpp:13:28: note: suggested alternatives:
In file included from /usr/include/c++/11/vector:62,
from swap.h:1,
from swap.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:3467:5: note: 'std::max'
3467 | max(initializer_list<_Tp> __l, _Compare __comp)
| ^~~
In file included from /usr/include/c++/11/algorithm:64,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from swap.cpp:3:
/usr/include/c++/11/bits/ranges_algo.h:3011:29: note: 'std::ranges::max'
3011 | inline constexpr __max_fn max{};
| ^~~