제출 #1232719

#제출 시각아이디문제언어결과실행 시간메모리
1232719antromancapExhibition (JOI19_ho_t2)C++20
0 / 100
0 ms976 KiB
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 1; int n, m, x[N], C[N]; pair<int, int> a[N]; int b[N]; int main() { ios::sync_with_stdio(0); cin.tie(0); memset(b, 0xc0, 4 * N); 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); for (int i = 1; i <= n; i++) x[i] = lower_bound(C + 1, C + m + 1, a[i].second) - C - i; sort(x + 1, x + n + 1); int l = 1, r = n; while (l <= r) { int M = (l + r) >> 1; if (m - M >= x[M]) l = M + 1; else r = M - 1; } cout << r; }
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