Submission #386227

#	Time	Username	Problem	Language	Result	Execution time	Memory
386227		kshitij_sodani	Kralj (COCI16_kralj)	C++14	0 / 140	237 ms	19180 KiB

kralj

//#pragma GCC optimize("Ofast,unroll-loops")
#include <bits/stdc++.h>
using namespace std;
typedef long long llo;
#define mp make_pair
#define pb push_back
#define a first 
#define b second
#define endl '\n'


int n;
int aa[500001];
int bb[500001];
int ind[500001];
llo check(llo mid){
	llo ind=n-mid;
	for(int i=0;i<mid;i++){
		if(aa[i]>bb[ind]){
			return false;
		}
		ind--;
	}
	return true;
}
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cin>>n;
	int st=1;
	for(int i=0;i<n;i++){
		cin>>ind[i];
		if(ind[i]!=1){
			st=0;
		}
	}

	for(int i=0;i<n;i++){
		cin>>aa[i];
	}
	for(int i=0;i<n;i++){
		cin>>bb[i];
	}
	if(st){
		sort(aa,aa+n);
		sort(bb,bb+n);
		llo low=0;
		for(int j=19;j>=0;j--){
			if(low+(1<<j)<=n){
				if(check(low+(1<<j))){
					low+=(1<<j);
				}
			}
		}
		cout<<low<<endl;
	}











 
 
	return 0;
}
 

• Subtask 1: 0 / 140