Owl Get a Life

Compile Error

oddqueries.cpp: In function ‘int main()’:
oddqueries.cpp:19:3: error: ‘ans’ was not declared in this scope; did you mean ‘abs’?
19 | ans = sums - reduce(nums[l], nums[r+1], 0) + ((r-l+1)*k);
| ^~~
| abs
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:84,
from oddqueries.cpp:1:
/usr/include/c++/9/numeric: In instantiation of ‘_Tp std::reduce(_InputIterator, _InputIterator, _Tp, _BinaryOperation) [with _InputIterator = long long int; _Tp = int; _BinaryOperation = std::plus<void>]’:
/usr/include/c++/9/numeric:297:25: required from ‘_Tp std::reduce(_InputIterator, _InputIterator, _Tp) [with _InputIterator = long long int; _Tp = int]’
oddqueries.cpp:19:44: required from here
/usr/include/c++/9/numeric:264:13: error: no type named ‘value_type’ in ‘struct std::iterator_traits<long long int>’
264 | using value_type = typename iterator_traits<_InputIterator>::value_type;<