Submission #883019

#	Time	Username	Problem	Language	Result	Execution time	Memory
883019		erray	Exhibition (JOI19_ho_t2)	C++17	100 / 100	46 ms	1880 KiB

joi2019_ho_t2

// author: erray
#include <bits/stdc++.h>

#ifdef DEBUG
  #include "debug.h"
#else
  #define debug(...) void(37)
#endif

using namespace std;

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  int N, M;
  cin >> N >> M;
  vector<array<int, 2>> A(N);
  for (int i = 0; i < N; ++i) {
    cin >> A[i][1] >> A[i][0];
  }
  vector<int> C(M);
  for (int i = 0; i < M; ++i) {
    cin >> C[i];
  }
  sort(A.rbegin(), A.rend());
  sort(C.rbegin(), C.rend());
  int i = 0;
  for (int p = 0; p < N; ++p) {
    if (i < M && A[p][1] <= C[i]) {
      ++i;
    }
  }
  cout << i << '\n';
}

• Subtask 1: 10 / 10
• Subtask 2: 40 / 40
• Subtask 3: 50 / 50