제출 #217328

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
217328		kshitij_sodani	Exhibition (JOI19_ho_t2)	C++17	100 / 100	93 ms	5756 KiB

joi2019_ho_t2

#include <iostream>
#include <bits/stdc++.h>
using namespace std;
typedef long long int llo;
#define mp make_pair
#define pb push_back
#define a first
#define b second
#define endl "\n"
llo mod=1000000007;
llo n,m;
pair<llo,llo> it[100002];
llo aa[100001];

int main(){
	ios_base::sync_with_stdio(0); cin.tie(0);
	cin>>n>>m;
	for(llo i=0;i<n;i++){
		cin>>it[i].b>>it[i].a;
	}
	for(llo i=0;i<m;i++){
		cin>>aa[i];
	}
	
	sort(it,it+n);
	sort(aa,aa+m);
	llo ind=m-1;
	llo tot=0;
	for(llo i=n-1;i>=0;i--){
		if(it[i].b<=aa[ind]){
			tot+=1;
			ind-=1;
		}
	}
	llo low=0;
	llo high=m;
	cout<<tot<<endl;
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:35:6: warning: unused variable 'low' [-Wunused-variable]
  llo low=0;
      ^~~
joi2019_ho_t2.cpp:36:6: warning: unused variable 'high' [-Wunused-variable]
  llo high=m;
      ^~~~

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