답안 #284401

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
284401	2020-08-27T10:54:34 Z	Revo7	Global Warming (CEOI18_glo)	C++14	58 / 100	1284 ms	44280 KB

#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define left 2*i+1
#define righ 2*i+2
#define mid (l+r)/2
#define IOS ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);


using namespace std;
const ll maxn=2e5+100;
const ll inf=1e9+10;
const ll mod=1e9+7;
const ll base=27;

ll n,k,ans;
ll b[maxn],a[maxn],pre[maxn],suf[maxn];
map<ll,ll>ha;
vector<ll>st;

ll qur(ll i,ll l,ll r,ll ql,ll qr){
    if(ql>qr)return 0;
    if(r<ql||l>qr)return 0;
    if(l>=ql&&r<=qr)return st[i];
    return max(qur(left,l,mid,ql,qr),qur(righ,mid+1,r,ql,qr));
}

void upd(ll i,ll l,ll r,ll id,ll val){
    if(r<id||l>id)return;
    if(l==r){
        st[i]=max(st[i],val);
        return;
    }
    upd(left,l,mid,id,val);
    upd(righ,mid+1,r,id,val);
    st[i]=max(st[left],st[righ]);
}

int main()
{
    cin>>n>>k;
    for(ll i=0;i<n;i++){
        cin>>a[i];
        ha[a[i]]=1;
        ha[a[i]-k]=1;
    }

    ll cnt=0;
    for(auto &x:ha){
        x.second=cnt++;
    }

    st.assign(4*cnt+10,0);
    for(ll i=0;i<n;i++){
        b[i]=ha[a[i]];
        pre[i]=1+qur(0,0,cnt-1,0,b[i]-1);
        upd(0,0,cnt-1,b[i],pre[i]);
        ans=max(ans,pre[i]);
    }
    //for(ll i=0;i<n;i++)cout<<pre[i]<<' ';cout<<endl;

    st.assign(4*maxn+10,0);
    for(ll i=n-1;i>=0;i--){
        suf[i]=1+qur(0,0,cnt-1,b[i]+1,cnt-1);
        upd(0,0,cnt-1,b[i],suf[i]);
        if(i){
            ll cur=pre[i-1]+qur(0,0,cnt-1,ha[a[i-1]-k]+1,cnt-1);
            ans=max(ans,cur);
            //if(cur==6)cout<<i<<endl;
        }
    }

    //for(ll i=0;i<n;i++)cout<<suf[i]<<' ';cout<<endl;
    cout<<ans<<endl;
    return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	6656 KB	Output is correct
2	Correct	4 ms	6656 KB	Output is correct
3	Correct	4 ms	6656 KB	Output is correct
4	Correct	4 ms	6656 KB	Output is correct
5	Correct	5 ms	6656 KB	Output is correct
6	Correct	4 ms	6656 KB	Output is correct
7	Correct	4 ms	6656 KB	Output is correct
8	Correct	4 ms	6656 KB	Output is correct
9	Correct	4 ms	6656 KB	Output is correct
10	Correct	4 ms	6656 KB	Output is correct
11	Correct	4 ms	6656 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	6656 KB	Output is correct
2	Correct	4 ms	6656 KB	Output is correct
3	Correct	4 ms	6656 KB	Output is correct
4	Correct	4 ms	6656 KB	Output is correct
5	Correct	5 ms	6656 KB	Output is correct
6	Correct	4 ms	6656 KB	Output is correct
7	Correct	4 ms	6656 KB	Output is correct
8	Correct	4 ms	6656 KB	Output is correct
9	Correct	4 ms	6656 KB	Output is correct
10	Correct	4 ms	6656 KB	Output is correct
11	Correct	4 ms	6656 KB	Output is correct
12	Correct	4 ms	6656 KB	Output is correct
13	Correct	4 ms	6656 KB	Output is correct
14	Correct	4 ms	6656 KB	Output is correct
15	Correct	4 ms	6656 KB	Output is correct
16	Correct	4 ms	6656 KB	Output is correct
17	Correct	4 ms	6656 KB	Output is correct
18	Correct	4 ms	6656 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	6656 KB	Output is correct
2	Correct	4 ms	6656 KB	Output is correct
3	Correct	4 ms	6656 KB	Output is correct
4	Correct	4 ms	6656 KB	Output is correct
5	Correct	5 ms	6656 KB	Output is correct
6	Correct	4 ms	6656 KB	Output is correct
7	Correct	4 ms	6656 KB	Output is correct
8	Correct	4 ms	6656 KB	Output is correct
9	Correct	4 ms	6656 KB	Output is correct
10	Correct	4 ms	6656 KB	Output is correct
11	Correct	4 ms	6656 KB	Output is correct
12	Correct	4 ms	6656 KB	Output is correct
13	Correct	4 ms	6656 KB	Output is correct
14	Correct	4 ms	6656 KB	Output is correct
15	Correct	4 ms	6656 KB	Output is correct
16	Correct	4 ms	6656 KB	Output is correct
17	Correct	4 ms	6656 KB	Output is correct
18	Correct	4 ms	6656 KB	Output is correct
19	Correct	7 ms	6784 KB	Output is correct
20	Correct	6 ms	6784 KB	Output is correct
21	Correct	7 ms	6784 KB	Output is correct
22	Correct	6 ms	6784 KB	Output is correct
23	Correct	6 ms	6784 KB	Output is correct
24	Correct	6 ms	6784 KB	Output is correct
25	Correct	6 ms	6784 KB	Output is correct
26	Correct	6 ms	6784 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1032 ms	30072 KB	Output is correct
2	Correct	1080 ms	30160 KB	Output is correct
3	Correct	1098 ms	30072 KB	Output is correct
4	Correct	1089 ms	30072 KB	Output is correct
5	Correct	404 ms	20728 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	232 ms	17144 KB	Output is correct
2	Correct	234 ms	17144 KB	Output is correct
3	Correct	227 ms	17272 KB	Output is correct
4	Correct	123 ms	12496 KB	Output is correct
5	Correct	5 ms	6656 KB	Output is correct
6	Correct	110 ms	12536 KB	Output is correct
7	Correct	171 ms	15736 KB	Output is correct

Subtask #6
0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	572 ms	27768 KB	Output is correct
2	Correct	574 ms	27768 KB	Output is correct
3	Incorrect	1284 ms	44280 KB	Output isn't correct
4	Halted	0 ms	0 KB	-

Subtask #7
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	6656 KB	Output is correct
2	Correct	4 ms	6656 KB	Output is correct
3	Correct	4 ms	6656 KB	Output is correct
4	Correct	4 ms	6656 KB	Output is correct
5	Correct	5 ms	6656 KB	Output is correct
6	Correct	4 ms	6656 KB	Output is correct
7	Correct	4 ms	6656 KB	Output is correct
8	Correct	4 ms	6656 KB	Output is correct
9	Correct	4 ms	6656 KB	Output is correct
10	Correct	4 ms	6656 KB	Output is correct
11	Correct	4 ms	6656 KB	Output is correct
12	Correct	4 ms	6656 KB	Output is correct
13	Correct	4 ms	6656 KB	Output is correct
14	Correct	4 ms	6656 KB	Output is correct
15	Correct	4 ms	6656 KB	Output is correct
16	Correct	4 ms	6656 KB	Output is correct
17	Correct	4 ms	6656 KB	Output is correct
18	Correct	4 ms	6656 KB	Output is correct
19	Correct	7 ms	6784 KB	Output is correct
20	Correct	6 ms	6784 KB	Output is correct
21	Correct	7 ms	6784 KB	Output is correct
22	Correct	6 ms	6784 KB	Output is correct
23	Correct	6 ms	6784 KB	Output is correct
24	Correct	6 ms	6784 KB	Output is correct
25	Correct	6 ms	6784 KB	Output is correct
26	Correct	6 ms	6784 KB	Output is correct
27	Correct	1032 ms	30072 KB	Output is correct
28	Correct	1080 ms	30160 KB	Output is correct
29	Correct	1098 ms	30072 KB	Output is correct
30	Correct	1089 ms	30072 KB	Output is correct
31	Correct	404 ms	20728 KB	Output is correct
32	Correct	232 ms	17144 KB	Output is correct
33	Correct	234 ms	17144 KB	Output is correct
34	Correct	227 ms	17272 KB	Output is correct
35	Correct	123 ms	12496 KB	Output is correct
36	Correct	5 ms	6656 KB	Output is correct
37	Correct	110 ms	12536 KB	Output is correct
38	Correct	171 ms	15736 KB	Output is correct
39	Correct	572 ms	27768 KB	Output is correct
40	Correct	574 ms	27768 KB	Output is correct
41	Incorrect	1284 ms	44280 KB	Output isn't correct
42	Halted	0 ms	0 KB	-

답안 #284401

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 10.0 / 10.0

Subtask #3 13.0 / 13.0

Subtask #4 10.0 / 10.0

Subtask #5 20.0 / 20.0

Subtask #6 0 / 17.0

Subtask #7 0 / 25.0

Subtask #1
5.0 / 5.0

Subtask #2
10.0 / 10.0

Subtask #3
13.0 / 13.0

Subtask #4
10.0 / 10.0

Subtask #5
20.0 / 20.0

Subtask #6
0 / 17.0

Subtask #7
0 / 25.0