Submission #42825

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
42825	2018-03-04 15:30:01	minhtung0404	Segments (IZhO18_segments)	C++14	100 / 100	3570 ms	40960 KiB

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//https://oj.uz/problem/view/IZhO18_segments
#include<bits/stdc++.h>
const int N = 2e5 + 5;
const int MAGIC = 1501;
using namespace std;
struct segment{
    int l, r, id;
} mv[MAGIC+5];
int n, t, L[N], R[N], ans, cnt, cur, sizmv;
int l_sort[N], r_sort[N], l_nosort[N], r_nosort[N], p[N], num;
bool ck[N];
int bsearch(int l, int r, int k){
    while (l != r){
        int mid = (l + r) >> 1;
        if (r_nosort[mid] - l_nosort[mid] + 1 >= k) r = mid;
        else l = mid + 1;
    }
    if (r_nosort[l] - l_nosort[l] + 1 < k) return l + 1;
    return l;
}
void get_L(int pos, int k){
    int Max = (pos / MAGIC + 1) * MAGIC;
    for (int i = pos; i < min(Max, cnt); i++) if (r_nosort[i] < k) ans--;
    for (int i = Max; i < cnt; i += MAGIC){
        int x = i, y = min(i + MAGIC, cnt);
 
 
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• Subtask 1: 7 / 7
• Subtask 2: 15 / 15
• Subtask 3: 16 / 16
• Subtask 4: 17 / 17
• Subtask 5: 20 / 20
• Subtask 6: 25 / 25