Submission #1164964

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1164964	2025-03-10 17:21:08	pinbu	Advertisement 2 (JOI23_ho_t2)	C++20	10 / 100	137 ms	12988 KiB

Main

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
#include <bits/stdc++.h>
using namespace std;
const int N = 500005;
const long long oo = 1e18;
int n;
pair<int, int> a[N], b[N];
vector<int> idas, idbs;
void solve(void) {
  cin >> n;
  for (int i = 1, x, e; i <= n; i++) {
    cin >> x >> e;
    a[i] = {x, x + e}; b[i] = {x, x - e};
  }
  sort(a + 1, a + 1 + n); sort(b + 1, b + 1 + n);
  for (int i = n; i; i--) {
    while (!idas.empty() && a[i].second >= a[idas.back()].second) idas.pop_back();
    idas.emplace_back(i);
  }
  reverse(begin(idas), end(idas));
  for (int i = 1; i <= n; i++) {
    while (!idbs.empty() && b[i].second <= b[idbs.back()].second) idbs.pop_back();
    idbs.emplace_back(i);
  }
  int ans = 0;
  for (int i = 0, j = 0; i < (int)idas.size() && j < (int)idbs.size();) {
    int i1 = idas[i], i2 = idbs[j];
    if (a[i1].first < b[i2].first) i++;
    else if (a[i1].first > b[i2].first) j++;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 10 / 10
• Subtask 2: 0 / 23
• Subtask 3: 0 / 36
• Subtask 4: 0 / 31