제출 #579902

#제출 시각UTC-0아이디문제언어결과실행 시간메모리
5799022022-06-20 08:42:10leeh18Harbingers (CEOI09_harbingers)C++17
0 / 100
66 ms23124 KiB
#include <bits/stdc++.h>
template<class Fun>
class y_combinator_result {
Fun fun_;
public:
template<class T>
explicit y_combinator_result(T &&fun): fun_(std::forward<T>(fun)) {}
template<class ...Args>
decltype(auto) operator()(Args &&...args) {
return fun_(std::ref(*this), std::forward<Args>(args)...);
}
};
template<class Fun>
decltype(auto) y_combinator(Fun &&fun) {
return y_combinator_result<std::decay_t<Fun>>(std::forward<Fun>(fun));
}
using namespace std;
using ll = long long;
struct line {
ll a, b;
line(ll a_, ll b_) : a(a_), b(b_) {}
line() : a(0LL), b(0LL) {}
ll operator()(ll x) const {
return a * x + b;
}
 
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