제출 #1050962

#제출 시각아이디문제언어결과실행 시간메모리
1050962fryingducExhibition (JOI19_ho_t2)C++17
100 / 100
33 ms4512 KiB
#include "bits/stdc++.h" using namespace std; const int maxn = 1e5 + 5; int n, m, c[maxn]; pair<int, int> a[maxn]; int f[maxn]; void solve() { cin >> n >> m; for(int i = 1; i <= n; ++i) { cin >> a[i].second >> a[i].first; } sort(a + 1, a + n + 1); for(int i = 1; i <= m; ++i) { cin >> c[i]; } sort(c + 1, c + m + 1); int j = n, ans = 0; for(int i = m; i; --i) { while(j and a[j].second > c[i]) --j; if(j and a[j].second <= c[i]) { --j; ++ans; } } cout << ans; } signed main() { ios_base::sync_with_stdio(0); cin.tie(0); solve(); return 0; }
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