Submission #1133295

#	Time	Username	Problem	Language	Result	Execution time	Memory
1133295		MunkhturErdenebat	Exhibition (JOI19_ho_t2)	C++20	100 / 100	113 ms	2712 KiB

joi2019_ho_t2

#include<bits/stdc++.h>
#include<string.h>
#include <algorithm>
#include <stdlib.h>
 #define ll long long
using namespace std;
    ll a,b,c,d,e,f,m,i,j,n,h,g,l,r,ka,p,q,t[100005];
    map<ll,ll> maa,mii,mee;
    vector<ll> vj,vo,vi;
    string x,y,z;
    pair<ll,ll> k[100005];

int main(){
    cin>>a>>b;
    for(i=0  ; i<a ; i++){
        cin>>k[i].second>>k[i].first;
    }
    sort(k,k+a);
    for(i=0 ; i<b ; i++){
        cin>>t[i];
    }
    sort(t,t+b);
    h=a-1;
    g=0;
    
    for(i=b-1 ; i>=0 ; i--){
        for(j=h ; j>=0 ; j--){
            if(k[j].second<=t[i]){
                g++;
                h=j-1;
                break;
            }
            if(j==0){
                h=-1;
            }
        }
    }
    cout<<g<<endl;
}

• Subtask 1: 10 / 10
• Subtask 2: 40 / 40
• Subtask 3: 50 / 50