This documentation is automatically generated by online-judge-tools/verification-helper
#define PROBLEM "https://onlinejudge.u-aizu.ac.jp/courses/lesson/2/ITP1/1/ITP1_1_A"
#include "../src/template/accum1d.hpp"
#include <iostream>
#include <vector>
#include <algorithm>
int main() {
// int N, M; std::cin >> N >> M;
// std::vector A(N, 0LL);
// for (long long& a : A) {
// std::cin >> a;
// }
// zawa::accum1d sum(A);
// long long ans = 0;
// for (int i = 0 ; i < M ; i++) {
// ans += A[i] * (i + 1);
// }
// long long now = ans;
// for (int i = 0 ; i + M < N ; i++) {
// now -= A[i];
// now -= sum.sum(i + 1, i + M);
// now += M * A[i + M];
// ans = std::max(ans, now);
// }
// std::cout << ans << std::endl;
std::cout << "Hello World" << std::endl;
}
/*
* AtCoder Beginner Contest 267 - C Index x A(Continuous ver.)
* https://atcoder.jp/contests/abc267/submissions/38149627
*/
#line 1 "test/ABC267-C.test.cpp"
#define PROBLEM "https://onlinejudge.u-aizu.ac.jp/courses/lesson/2/ITP1/1/ITP1_1_A"
#line 2 "src/template/accum1d.hpp"
#include <vector>
#include <numeric>
namespace zawa {
template <class T>
struct accum1d : std::vector<T> {
using vector = std::vector<T>;
accum1d() {
(*this).push_back(T());
}
accum1d(const std::vector<T>& A) {
(*this).push_back(T());
std::partial_sum(A.begin(), A.end(), std::back_inserter(*this));
}
template <class InputIterator>
accum1d(InputIterator begin, InputIterator end) {
(*this).push_back(T());
std::partial_sum(begin, end, std::back_inserter(*this));
}
T sum(std::size_t l, std::size_t r) {
return (*this)[r] - (*this)[l];
}
};
} // namespace zawa
#line 4 "test/ABC267-C.test.cpp"
#include <iostream>
#line 7 "test/ABC267-C.test.cpp"
#include <algorithm>
int main() {
// int N, M; std::cin >> N >> M;
// std::vector A(N, 0LL);
// for (long long& a : A) {
// std::cin >> a;
// }
// zawa::accum1d sum(A);
// long long ans = 0;
// for (int i = 0 ; i < M ; i++) {
// ans += A[i] * (i + 1);
// }
// long long now = ans;
// for (int i = 0 ; i + M < N ; i++) {
// now -= A[i];
// now -= sum.sum(i + 1, i + M);
// now += M * A[i + M];
// ans = std::max(ans, now);
// }
// std::cout << ans << std::endl;
std::cout << "Hello World" << std::endl;
}
/*
* AtCoder Beginner Contest 267 - C Index x A(Continuous ver.)
* https://atcoder.jp/contests/abc267/submissions/38149627
*/