Problem	vectorindexing
User	xyzidk9
Submission Time	2026-08-01 10:11:39
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

vectorindexing.cpp: In function ‘int main()’:
vectorindexing.cpp:15:19: error: ‘begin’ was not declared in this scope; did you mean ‘std::begin’?
15 | for(auto z:arrs[q]){
| ^
| std::begin
In file included from /usr/include/c++/9/string:54,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from vectorindexing.cpp:1:
/usr/include/c++/9/bits/range_access.h:105:37: note: ‘std::begin’ declared here
105 | template<typename _Tp> const _Tp* begin(const valarray<_Tp>&);
| ^~~~~
vectorindexing.cpp:15:19: error: ‘end’ was not declared in this scope; did you mean ‘std::end’?
15 | for(auto z: