제출 #644003

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
644003	2022-09-23 12:54:15	ymm	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++17	64 / 100	502 ms	262144 KiB

sortbooks

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#include <bits/stdc++.h>
#define Loop(x,l,r) for (ll x = (l); x < (r); ++x)
#define LoopR(x,l,r) for (ll x = (r)-1; x >= (l); --x)
typedef long long ll;
typedef std::pair<int, int> pii;
typedef std::pair<ll , ll > pll;
using namespace std;
const int N = 1'000'010;
struct node {
  vector<ll> srt;
  ll mxs;
} seg[N<<2];
ll a[N];
int n;
void build(int i=0, int b=0, int e=n)
{
  if (e-b == 1) {
    seg[i].srt = {a[b]};
    seg[i].mxs = 0;
    return;
  }
  build(2*i+1, b, (b+e)/2);
  build(2*i+2, (b+e)/2, e);
  seg[i].mxs = max(seg[2*i+1].mxs, seg[2*i+2].mxs);
  auto it = lower_bound(seg[2*i+2].srt.begin(), seg[2*i+2].srt.end(), seg[2*i+1].srt.back());
  if (it != seg[2*i+2].srt.begin())
    seg[i].mxs = max(seg[i].mxs, seg[2*i+1].srt.back() + *--it);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

sortbooks.cpp: In function 'int main()':
sortbooks.cpp:64:6: warning: unused variable 'mx' [-Wunused-variable]
   64 |   ll mx=0, mxs=0;
      |      ^~
sortbooks.cpp:64:12: warning: unused variable 'mxs' [-Wunused-variable]
   64 |   ll mx=0, mxs=0;
      |            ^~~

• Subtask 1: 8 / 8
• Subtask 2: 9 / 9
• Subtask 3: 0 / 13
• Subtask 4: 17 / 17
• Subtask 5: 30 / 30
• Subtask 6: 0 / 23