Submission #652156

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
652156	2022-10-21 14:13:45	vovik	Segments (IZhO18_segments)	C++17	75 / 100	5058 ms	22528 KiB

segments

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
//Bitch, я поймал свой balance
//Теперь нихуя не надо делать
#include <bits/stdc++.h>
#define vc vector
using namespace std;
typedef long long ll;
#define X first
#define Y second
const int K = 2000, N = 2e5 + 5;
vc<int> ls[N / K + 1];
vc<int> rs[N / K + 1];
vc<int> self_l[N];
vc<int> self_r[N];
vc<int> e;
int get(int L, int R, int k) {
    int dl = R - k + 2, dr = L + k - 2;
    //for l [dl; inf]
    //for r [-inf; dr]
    int ans = 0;
    k = lower_bound(e.begin(), e.end(), k) - e.begin();
    for (int i = k / K + 1; i <= N / K; ++i) ans += ls[i].size();
    for (int i = k / K + 1; i <= N / K; ++i) ans -= ls[i].end() - lower_bound(ls[i].begin(), ls[i].end(), dl);
    for (int i = k / K + 1; i <= N / K; ++i) ans -= upper_bound(rs[i].begin(), rs[i].end(), dr) - rs[i].begin();
    for (int len = k; len < (k / K + 1) * K; ++len) ans += self_l[len].size();
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 7 / 7
• Subtask 2: 15 / 15
• Subtask 3: 16 / 16
• Subtask 4: 17 / 17
• Subtask 5: 20 / 20
• Subtask 6: 0 / 25