oj.uz

Submission #442986

# Submission time Handle Problem Language Result Execution time Memory
442986 2021-07-09T12:56:42 Z Focutai Global Warming (CEOI18_glo) C++17
0 / 100
 473 ms 262148 KB 
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define Fast_IO ios::sync_with_stdio(false);
#define DEBUG fprintf(stderr,"Running on Line %d in Function %s\n",__LINE__,__FUNCTION__)
//mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
#define fir first
#define sec second
#define mod 998244353
#define ll long long
#define inf ((int)2e9)
#define INF 0x3f3f3f3f3f3f3f3f
inline int read()
{
	char ch=getchar(); int nega=1; while(!isdigit(ch)) {if(ch=='-') nega=-1; ch=getchar();}
	int ans=0; while(isdigit(ch)) {ans=ans*10+ch-48;ch=getchar();}
	if(nega==-1) return -ans;
	return ans;
}
typedef pair<int,int> pii;
void print(vector<int> x){for(int i=0;i<(int)x.size();i++) printf("%d%c",x[i]," \n"[i==(int)x.size()-1]);}
int max(int x,int y,int z) {return max(max(x,y),z);}
#define N 200005
struct SMT
{
	struct Node
	{
		int ls,rs,val;
	};
	Node t[N*64];
	int cnt=1;
	void update(int &u,int l,int r,int L,int R,int v)
	{
		if(!u) u=++cnt;
		if(L<=l&&r<=R) {t[u].val=max(t[u].val,v); return ;}
		int mid=(l+r)/2;
		if(mid>=L) update(t[u].ls,l,mid,L,R,v);
		if(mid<R) update(t[u].rs,mid+1,r,L,R,v);
	}
	int query(int u,int l,int r,int pos)
	{
		if(!u) return 0;
		int ans=t[u].val,mid=(l+r)/2;
		if(pos<=mid) ans=max(ans,query(t[u].ls,l,mid,pos));
		else ans=max(ans,query(t[u].rs,mid+1,r,pos));
		return ans;
	}
	void clear() {memset(t,0,sizeof(t)),cnt=1;}
}smt;
int a[N],f[N],n,d,rt=1;
signed main()
{
	cin>>n>>d;
	for(int i=1;i<=n;i++) a[i]=read();
	for(int i=1;i<=n;i++)
	{
		f[i]=smt.query(1,1,inf,a[i])+1;
		smt.update(rt,1,inf,a[i]+1,inf,f[i]);
	}
//	for(int i=1;i<=n;i++) printf("%d%c",f[i]," \n"[i==n]);
	smt.clear(); int ans=0;
	for(int i=n;i>=1;i--)
	{
		int res=smt.query(1,1,inf,a[i]+d);
		smt.update(rt,1,inf,1,a[i]+d-1,res+1);
//		printf("%d : %d %d\n",i,f[i-1],smt.query(rt,1,inf,a[i-1]+1));
		ans=max(ans,f[i-1]+smt.query(rt,1,inf,a[i-1]+1));
	}
	cout<<ans<<endl;
	return 0;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 69 ms 150468 KB Output is correct
2 Correct 65 ms 150524 KB Output is correct
3 Correct 68 ms 150468 KB Output is correct
4 Correct 75 ms 150584 KB Output is correct
5 Correct 66 ms 150468 KB Output is correct
6 Correct 67 ms 150568 KB Output is correct
7 Incorrect 66 ms 150464 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 69 ms 150468 KB Output is correct
2 Correct 65 ms 150524 KB Output is correct
3 Correct 68 ms 150468 KB Output is correct
4 Correct 75 ms 150584 KB Output is correct
5 Correct 66 ms 150468 KB Output is correct
6 Correct 67 ms 150568 KB Output is correct
7 Incorrect 66 ms 150464 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 69 ms 150468 KB Output is correct
2 Correct 65 ms 150524 KB Output is correct
3 Correct 68 ms 150468 KB Output is correct
4 Correct 75 ms 150584 KB Output is correct
5 Correct 66 ms 150468 KB Output is correct
6 Correct 67 ms 150568 KB Output is correct
7 Incorrect 66 ms 150464 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 435 ms 152132 KB Output is correct
2 Correct 473 ms 153976 KB Output is correct
3 Correct 424 ms 154052 KB Output is correct
4 Correct 445 ms 154060 KB Output is correct
5 Runtime error 255 ms 262148 KB Execution killed with signal 9

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 139 ms 150972 KB Output is correct
2 Correct 159 ms 151352 KB Output is correct
3 Correct 138 ms 151376 KB Output is correct
4 Correct 121 ms 151260 KB Output is correct
5 Correct 65 ms 150468 KB Output is correct
6 Incorrect 134 ms 151256 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Runtime error 425 ms 262144 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 69 ms 150468 KB Output is correct
2 Correct 65 ms 150524 KB Output is correct
3 Correct 68 ms 150468 KB Output is correct
4 Correct 75 ms 150584 KB Output is correct
5 Correct 66 ms 150468 KB Output is correct
6 Correct 67 ms 150568 KB Output is correct
7 Incorrect 66 ms 150464 KB Output isn't correct
8 Halted 0 ms 0 KB -