제출 #428250

#제출 시각아이디문제언어결과실행 시간메모리
428250BertedExhibition (JOI19_ho_t2)C++14
0 / 100
2 ms332 KiB
#include <iostream> #include <algorithm> #define pii pair<int, int> #define fst first #define snd second using namespace std; int N, M; pii A[100001]; int B[100001]; int main() { ios :: sync_with_stdio(0); cin.tie(0); cin >> N >> M; for (int i = 0; i < N; i++) cin >> A[i].snd >> A[i].fst; for (int i = 0; i < M; i++) cin >> B[i]; sort(A, A + N, greater<pii>()); sort(B, B + N, greater<int>()); int i = 0, j = 0; for (i = 0; i < M; i++) { for (; j < N; j++) { if (A[j].snd <= B[i]) {break;} } if (j == N) {break;} else {j++;} } cout << i << "\n"; return 0; }
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