제출 #1234360

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1234360		lioow	Arcade (NOI20_arcade)	C++20	0 / 100	0 ms	328 KiB

Arcade

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#define pb push_back
#define int long long
#define repp(i,x,n) for(int i=x;i<=n;i++)
#define rep(i,x,n) for(int i=x;i>=n;i--)
#define cy cout<<"YES"<<endl
#define cn cout<<"NO"<<endl
#define r0 return 0
#define fi first
#define se second
#define liow ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define jelek cout<<"jelek"<<endl
#define pii pair<int,int>
#define all(v) v.begin(),v.end()
#define pi pair<pair<int,int>,pair<int,int>>
#define p3 pair<int,pair<int,int>>
#define p4 pair<pii,pii>
#define p2
#define tp tuple<int,int,int>
#define fl fflush(stdout)
#define lb long double
#define p5 pair<int,pair<pair<int,int>,pair<int,int>>>
#pragma GCC optimize ("O2")
#pragma GCC optimize ("unroll-loops")  
using namespace std;
int dx[4]={-1,0,1,0};
int dy[4]={0,-1,0,1};
using namespace __gnu_pbds;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
typedef tree<pair<int,int>, null_type,  less<pair<int,int>>, rb_tree_tag, tree_order_statistics_node_update> ordered_multiset;
const int mod=1e9+7,maxn=1e5+5,N=5e5+5,INF=1e18;
const int MOD=998244353;
//const int MOD=1e6+3;
mt19937_64 rng((unsigned int) chrono::steady_clock::now().time_since_epoch().count());
pii dir[8]={{-1,0},{-1,1},{0,1},{1,1},{1,0},{1,-1},{0,-1},{-1,-1}};

signed main(){
	ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
	int n,m;cin>>n>>m;
	int t[m+2],a[m+2];
	vector<pii>tile;
	for(int i=1;i<=m;i++){
		cin>>t[i];
	}
	for(int i=1;i<=m;i++){
		cin>>a[i];
		tile.pb({a[i]+t[i],t[i]-a[i]});
	}
	sort(tile.begin(),tile.end());
	vector<int>v;
	repp(i,0,m-1){
		int x=tile[i].se;
		if(v.empty()||v.back()>x) v.pb(x);
		else v[lower_bound(all(v),x)-v.begin()]=x;
	}
	cout<<v.size()<<endl;
}

• Subtask 1: 0 / 7
• Subtask 2: 0 / 11
• Subtask 3: 0 / 12
• Subtask 4: 0 / 21
• Subtask 5: 0 / 14
• Subtask 6: 0 / 20
• Subtask 7: 0 / 15