제출 #505122

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
505122	2022-01-10 15:37:32	tengiz05	Bubble Sort 2 (JOI18_bubblesort2)	C++17	100 / 100	2146 ms	51456 KiB

bubblesort2

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#include "bubblesort2.h"
#include <bits/stdc++.h>
constexpr int inf = 1E9;
struct Info {
    int x;
    Info(int x = -inf) : x(x) {}
};
Info operator+(const Info &a, const Info &b) {
    return Info(std::max(a.x, b.x));
}
struct Tag {
    int add;
    Tag(int add = 0) : add(add) {}
};
void apply(Tag &a, const Tag &b) {
    a.add += b.add;
}
void apply(Info &a, const Tag &b) {
    a.x += b.add;
}
template<class Info, class Tag,
    class Merge = std::plus<Info>>
struct LazySegmentTree {
    const int n;
    const Merge merge;
    std::vector<Info> info;
    std::vector<Tag> tag;
    LazySegmentTree(int n) : n(n), merge(Merge()), info(4 << std::__lg(n)), tag(4 << std::__lg(n)) {}
 
 
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