제출 #383201

#제출 시각아이디문제언어결과실행 시간메모리
383201ritul_kr_singhExhibition (JOI19_ho_t2)C++17
100 / 100
59 ms5740 KiB
#include <bits/stdc++.h> using namespace std; #define int long long #define sp << " " << #define nl << "\n" signed main(){ cin.tie(0)->sync_with_stdio(0); int n, m; cin >> n >> m; array<int, 2> a[n]; for(auto &i : a) cin >> i[1] >> i[0]; int b[m]; for(int &i : b) cin >> i; sort(a, a+n, greater<>()); sort(b, b+m, greater<>()); int j = 0, ans = 0; for(int i : b){ while(j<n and a[j][1] > i) ++j; ans += j++<n; } cout << ans; }
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