oj.uz

답안 #585172

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
585172 2022-06-28T11:35:37 Z Pety 사다리꼴 (balkan11_trapezoid) C++14
100 / 100
 117 ms 10692 KB 
#include <bits/stdc++.h>
#define ll long long

using namespace std;

const int INF = 1e9;
const int MOD = 30013;

const int N = 2e5+2;

struct Node {
  int best, count;
  Node operator + (const Node &other) {
    if (best == other.best)
      return {best, (other.count + count) % MOD};
    else if (best > other.best)
      return *this;
    else
      return other;
  }
} aint[4 * N], ans;

void update (int nod, int st, int dr, int poz, Node val) {
  if (st == dr) {
    aint[nod] = val;
    return;
  }
  int mij = (st + dr) / 2;
  if (poz <= mij)
    update(2 * nod, st, mij, poz, val);
  else
    update(2 * nod + 1, mij + 1, dr, poz, val);
  aint[nod] = aint[2 * nod] + aint[2 * nod + 1];
}

void query (int nod, int st, int dr, int a, int b) {
  if (a <= st && dr <= b) {
    ans = ans + aint[nod];
    return;
  }
  int mij = (st + dr) / 2;
  if (a <= mij)
    query(2 * nod, st, mij, a, b);
  if (b > mij)
    query(2 * nod + 1, mij + 1, dr, a, b);
}

struct event {
  int type, time, x, ind;
  bool operator < (const event other) {
    return time < other.time;
  }
} v[N];

int a[N][4];

int n;
Node dp[N];

int main () 
{
  ios_base::sync_with_stdio(false);
  cin.tie(0); cout.tie(0);
  cin >> n;
  vector<int>idk;
  for (int i = 1; i <= n; i++) {
    for (auto j : {0, 1, 2, 3})
      cin >> a[i][j];
    idk.push_back(a[i][2]);
    idk.push_back(a[i][3]);
  }
  sort(idk.begin(), idk.end());
  for (int i = 1; i <= n; i++) {
    v[2 * i - 1] = {0, a[i][0], (int)(lower_bound(idk.begin(), idk.end(), a[i][2]) - idk.begin() + 1), i};
    v[2 * i] = {1, a[i][1], (int)(lower_bound(idk.begin(), idk.end(), a[i][3]) - idk.begin() + 1), i};
  }
  sort(v + 1, v + 2 * n + 1);
  for (int i = 1; i <= 2 * n; i++) {
    if (v[i].type == 1) {
      update(1, 1, 2 * n, v[i].x, dp[v[i].ind]);
    }
     else {
      ans = {0, 0};
       query(1, 1, 2 * n, 1, v[i].x);
       if (!ans.best) ans.count = 1;
       dp[v[i].ind] = {ans.best + 1, ans.count};
     }
  }
  ans = dp[1];
  for (int i = 2; i <= n; i++)
    ans = ans + dp[i];
  cout << ans.best << " " << ans.count;
  return 0;
}

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 3 ms 724 KB Output is correct
7 Correct 4 ms 852 KB Output is correct
8 Correct 5 ms 1044 KB Output is correct
9 Correct 10 ms 1752 KB Output is correct
10 Correct 21 ms 2864 KB Output is correct
11 Correct 30 ms 3104 KB Output is correct
12 Correct 58 ms 5716 KB Output is correct
13 Correct 64 ms 6344 KB Output is correct
14 Correct 76 ms 8892 KB Output is correct
15 Correct 89 ms 9376 KB Output is correct
16 Correct 117 ms 9608 KB Output is correct
17 Correct 107 ms 9944 KB Output is correct
18 Correct 90 ms 10180 KB Output is correct
19 Correct 100 ms 10000 KB Output is correct
20 Correct 114 ms 10692 KB Output is correct