Submission #99172

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
99172	2019-03-01 12:10:53	dongwon0427	Exhibition (JOI19_ho_t2)	C++11	100 / 100	97 ms	1660 KiB

joi2019_ho_t2

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
int n,m;
pii A[100005];
int B[100005];
int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin>>n>>m;
    for(int i=0;i<n;i++) cin>>A[i].second>>A[i].first;
    for(int i=0;i<m;i++) cin>>B[i];
    sort(B,B+m);
    sort(A,A+n);
    int s = 0, e = m;
    int ans = 0;
    while(s<=e) {
        int mid = (s+e)/2;
        int p = m - mid;
        for(int i=0;i<n;i++) {
            if(p < m && A[i].second <= B[p]) p++;
        }
        if(p == m) {
            ans = max(ans, mid);
            s = mid + 1;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 40 / 40
• Subtask 3: 50 / 50