CSES - Datatähti Open 2019 - Results
Submission details
Task:Sunset
Sender:OkRint
Submission time:2019-01-20 20:12:00 +0200
Language:C++
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED16
#2ACCEPTED35
#3ACCEPTED49
Test results
testverdicttimegroup
#1ACCEPTED0.03 s1details
#2ACCEPTED0.03 s1details
#3ACCEPTED0.03 s1details
#4ACCEPTED0.03 s1details
#5ACCEPTED0.04 s1details
#6ACCEPTED0.03 s1details
#7ACCEPTED0.04 s1details
#8ACCEPTED0.04 s1details
#9ACCEPTED0.04 s1details
#10ACCEPTED0.03 s1details
#11ACCEPTED0.03 s1details
#12ACCEPTED0.03 s1details
#13ACCEPTED0.04 s1details
#14ACCEPTED0.03 s1details
#15ACCEPTED0.03 s1details
#16ACCEPTED0.04 s1details
#17ACCEPTED0.04 s1details
#18ACCEPTED0.02 s2details
#19ACCEPTED0.60 s2details
#20ACCEPTED0.59 s2details
#21ACCEPTED0.42 s2details
#22ACCEPTED0.47 s2details
#23ACCEPTED0.46 s2details
#24ACCEPTED0.51 s2details
#25ACCEPTED0.34 s2details
#26ACCEPTED0.60 s2details
#27ACCEPTED0.61 s2details
#28ACCEPTED0.03 s2details
#29ACCEPTED0.46 s2details
#30ACCEPTED0.45 s2details
#31ACCEPTED0.46 s2details
#32ACCEPTED0.03 s3details
#33ACCEPTED0.72 s3details
#34ACCEPTED0.72 s3details
#35ACCEPTED0.67 s3details
#36ACCEPTED0.52 s3details
#37ACCEPTED0.57 s3details
#38ACCEPTED0.45 s3details
#39ACCEPTED0.62 s3details
#40ACCEPTED0.55 s3details
#41ACCEPTED0.72 s3details
#42ACCEPTED0.39 s3details
#43ACCEPTED0.71 s3details
#44ACCEPTED0.64 s3details
#45ACCEPTED0.54 s3details
#46ACCEPTED0.50 s3details
#47ACCEPTED0.54 s3details
#48ACCEPTED0.50 s3details
#49ACCEPTED0.45 s3details
#50ACCEPTED0.47 s3details
#51ACCEPTED0.47 s3details
#52ACCEPTED0.46 s3details
#53ACCEPTED0.51 s3details
#54ACCEPTED0.52 s3details

Code

#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef long double ld;
 
const int N=1e5+10;

int a[N];
map<int,int> mp;
int tree[4*N];
vector<int> mt[4*N];
int K;

void update(int node,int s,int e,int pos,int val){
  if(s==e){
    tree[node]=val;
    return;
  }
  int mid=(s+e)>>1;
  if(pos<=mid)
    update(2*node,s,mid,pos,val);
  else
    update(2*node+1,mid+1,e,pos,val);
  tree[node]=max(tree[2*node],tree[2*node+1]);
}

int query(int node,int s,int e,int l,int r){
  if(s>e or l>e or s>r)
    return -1;
  if(s>=l and e<=r)
    return tree[node];
  int mid=(s+e)>>1;
  return max(query(2*node,s,mid,l,r),query(2*node+1,mid+1,e,l,r));
}

void build1(int node,int s,int e){
  if(s==e){
    mt[node].push_back(a[s]);
    return;
  }
  int mid=(s+e)>>1;
  build1(2*node,s,mid);
  build1(2*node+1,mid+1,e);
  merge(mt[2*node].begin(),mt[2*node].end(),mt[2*node+1].begin(),mt[2*node+1].end(),back_inserter(mt[node]));
}

int query1(int node,int s,int e,int l,int r){
  if(s>e or l>e or s>r)
    return 0;
  if(s>=l and e<=r){
    return upper_bound(mt[node].begin(),mt[node].end(),K)-mt[node].begin();
  }
  int mid=(s+e)>>1;
  return query1(2*node,s,mid,l,r)+query1(2*node+1,mid+1,e,l,r);
}

int main(){
  //freopen("input.txt", "r", stdin);
  //freopen("output.txt", "w", stdout);
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  memset(tree,-1,sizeof tree);
  int n,q;
  cin>>n>>q;
  vector<int> v;
  for(int i=0;i<n;i++){
    cin>>a[i];
    v.push_back(a[i]);
  }
  sort(v.begin(),v.end());
  int cur=0;
  for(int i=0;i<n;i++){
    if(!mp[v[i]]){
      mp[v[i]]=cur;
      cur++;
    }
  }
  for(int i=0;i<n;i++)
    a[i]=mp[a[i]];
  for(int i=0;i<n;i++){
    int x=a[i];
    a[i]=query(1,0,N,x,N);
    update(1,0,N,x,i);
  }
  build1(1,0,n-1);
  /*for(int i=0;i<30;i++){
    if(!mt[i].empty()){
      for(int it:mt[i])
        cout<<it<<" ";
      cout<<endl;
    }
  }*/
  while(q--){
    int l,r;
    cin>>l>>r;
    l--; r--;
    K=l-1;
    cout<<query1(1,0,n-1,l,r)<<endl;
  }
  return 0;
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
5 3
4 1 2 2 3
1 5
2 5
3 4

correct output
1
3
1

user output
1
3
1

Test 2

Group: 1

Verdict: ACCEPTED

input
1 1
1
1 1

correct output
1

user output
1

Test 3

Group: 1

Verdict: ACCEPTED

input
2 3
1 1000000000
1 1
2 2
1 2

correct output
1
1
2

user output
1
1
2

Test 4

Group: 1

Verdict: ACCEPTED

input
2 3
1000000000 1
1 1
2 2
1 2

correct output
1
1
1

user output
1
1
1

Test 5

Group: 1

Verdict: ACCEPTED

input
2000 2000
387547790 498212511 224378606 ...

correct output
14
10
10
3
7
...

user output
14
10
10
3
7
...
Truncated

Test 6

Group: 1

Verdict: ACCEPTED

input
2000 2000
13604803 27447643 34139694 383...

correct output
198
43
38
58
50
...

user output
198
43
38
58
50
...
Truncated

Test 7

Group: 1

Verdict: ACCEPTED

input
2000 2000
387547790 498212511 224378606 ...

correct output
1
1
1
1
1
...

user output
1
1
1
1
1
...
Truncated

Test 8

Group: 1

Verdict: ACCEPTED

input
2000 2000
409666302 646936685 583741760 ...

correct output
8
9
12
8
11
...

user output
8
9
12
8
11
...
Truncated

Test 9

Group: 1

Verdict: ACCEPTED

input
2000 2000
1000000000 1000000000 10000000...

correct output
1
1
1
1
1
...

user output
1
1
1
1
1
...
Truncated

Test 10

Group: 1

Verdict: ACCEPTED

input
2000 2000
785263 793567 1573404 1750090 ...

correct output
2000
2000
2000
2000
2000
...

user output
2000
2000
2000
2000
2000
...
Truncated

Test 11

Group: 1

Verdict: ACCEPTED

input
2000 2000
785263 793567 1573404 1750090 ...

correct output
1960
1947
1963
1942
1944
...

user output
1960
1947
1963
1942
1944
...
Truncated

Test 12

Group: 1

Verdict: ACCEPTED

input
1999 2000
129087461 494922181 482953911 ...

correct output
10
6
6
7
7
...

user output
10
6
6
7
7
...
Truncated

Test 13

Group: 1

Verdict: ACCEPTED

input
2000 2000
409666302 646936685 583741760 ...

correct output
8
7
6
7
7
...

user output
8
7
6
7
7
...
Truncated

Test 14

Group: 1

Verdict: ACCEPTED

input
2000 2000
44989 1437234 1640005 1765235 ...

correct output
1233
1389
1026
150
796
...

user output
1233
1389
1026
150
796
...
Truncated

Test 15

Group: 1

Verdict: ACCEPTED

input
2000 2000
2 1 4 3 6 5 8 7 10 9 12 11 14 ...

correct output
988
994
981
979
973
...

user output
988
994
981
979
973
...
Truncated

Test 16

Group: 1

Verdict: ACCEPTED

input
2000 2000
1999 2000 1997 1998 1995 1996 ...

correct output
1
2
1
1
2
...

user output
1
2
1
1
2
...
Truncated

Test 17

Group: 1

Verdict: ACCEPTED

input
2000 2000
2 1 4 3 5 4 5 2 3 1 2 1 4 3 5 ...

correct output
2
1
1
2
3
...

user output
2
1
1
2
3
...
Truncated

Test 18

Group: 2

Verdict: ACCEPTED

input
1 1
1
1 1

correct output
1

user output
1

Test 19

Group: 2

Verdict: ACCEPTED

input
100000 200000
32 22 35 59 37 2 5 5 79 53 22 ...

correct output
4
9
6
5
4
...

user output
4
9
6
5
4
...
Truncated

Test 20

Group: 2

Verdict: ACCEPTED

input
100000 200000
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
89
35
59
25
12
...

user output
89
35
59
25
12
...
Truncated

Test 21

Group: 2

Verdict: ACCEPTED

input
100000 200000
32 22 35 59 37 2 5 5 79 53 22 ...

correct output
1
1
1
1
1
...

user output
1
1
1
1
1
...
Truncated

Test 22

Group: 2

Verdict: ACCEPTED

input
100000 200000
72 58 92 12 32 29 55 87 6 49 5...

correct output
5
7
5
6
2
...

user output
5
7
5
6
2
...
Truncated

Test 23

Group: 2

Verdict: ACCEPTED

input
100000 200000
100 100 100 100 100 100 100 10...

correct output
1
1
1
1
1
...

user output
1
1
1
1
1
...
Truncated

Test 24

Group: 2

Verdict: ACCEPTED

input
100000 200000
72 58 92 12 32 29 55 87 6 49 5...

correct output
4
7
6
7
4
...

user output
4
7
6
7
4
...
Truncated

Test 25

Group: 2

Verdict: ACCEPTED

input
100000 200000
72 58 92 12 32 29 55 87 6 49 5...

correct output
5
5
5
5
5
...

user output
5
5
5
5
5
...
Truncated

Test 26

Group: 2

Verdict: ACCEPTED

input
99999 200000
20 47 84 90 88 63 39 16 74 19 ...

correct output
5
7
6
3
3
...

user output
5
7
6
3
3
...
Truncated

Test 27

Group: 2

Verdict: ACCEPTED

input
100000 200000
72 58 92 12 32 29 55 87 6 49 5...

correct output
6
4
9
2
5
...

user output
6
4
9
2
5
...
Truncated

Test 28

Group: 2

Verdict: ACCEPTED

input
5 1
4 1 5 6 9
1 3

correct output
2

user output
2

Test 29

Group: 2

Verdict: ACCEPTED

input
100000 200000
2 1 4 3 6 5 8 7 10 9 12 11 14 ...

correct output
44
4
27
46
29
...

user output
44
4
27
46
29
...
Truncated

Test 30

Group: 2

Verdict: ACCEPTED

input
100000 200000
2 1 4 3 5 4 5 2 3 1 2 1 4 3 5 ...

correct output
3
3
3
3
2
...

user output
3
3
3
3
2
...
Truncated

Test 31

Group: 2

Verdict: ACCEPTED

input
100000 200000
2 1 4 3 6 5 8 7 10 9 12 11 14 ...

correct output
39
10
37
20
43
...

user output
39
10
37
20
43
...
Truncated

Test 32

Group: 3

Verdict: ACCEPTED

input
1 1
1
1 1

correct output
1

user output
1

Test 33

Group: 3

Verdict: ACCEPTED

input
100000 200000
994198482 687493351 579440176 ...

correct output
8
6
8
10
5
...

user output
8
6
8
10
5
...
Truncated

Test 34

Group: 3

Verdict: ACCEPTED

input
100000 200000
138644593 592364551 919805093 ...

correct output
10
11
13
7
12
...

user output
10
11
13
7
12
...
Truncated

Test 35

Group: 3

Verdict: ACCEPTED

input
100000 200000
10770 195579 349462 442791 450...

correct output
2468
1986
2632
129
4010
...

user output
2468
1986
2632
129
4010
...
Truncated

Test 36

Group: 3

Verdict: ACCEPTED

input
100000 200000
994198482 687493351 579440176 ...

correct output
1
2
1
2
1
...

user output
1
2
1
2
1
...
Truncated

Test 37

Group: 3

Verdict: ACCEPTED

input
100000 200000
398809514 622635167 133376912 ...

correct output
15
13
16
11
17
...

user output
15
13
16
11
17
...
Truncated

Test 38

Group: 3

Verdict: ACCEPTED

input
100000 200000
1000000000 1000000000 10000000...

correct output
1
1
1
1
1
...

user output
1
1
1
1
1
...
Truncated

Test 39

Group: 3

Verdict: ACCEPTED

input
100000 200000
398809514 622635167 133376912 ...

correct output
10
16
7
18
10
...

user output
10
16
7
18
10
...
Truncated

Test 40

Group: 3

Verdict: ACCEPTED

input
100000 200000
11465 15800 19042 19282 20348 ...

correct output
99542
99728
99391
99890
99716
...

user output
99542
99728
99391
99890
99716
...
Truncated

Test 41

Group: 3

Verdict: ACCEPTED

input
99999 200000
587542096 890780320 258438313 ...

correct output
8
6
11
11
17
...

user output
8
6
11
11
17
...
Truncated

Test 42

Group: 3

Verdict: ACCEPTED

input
100000 200000
11283 24634 28852 37453 37625 ...

correct output
100000
100000
100000
100000
100000
...

user output
100000
100000
100000
100000
100000
...
Truncated

Test 43

Group: 3

Verdict: ACCEPTED

input
100000 200000
398809514 622635167 133376912 ...

correct output
13
13
10
15
15
...

user output
13
13
10
15
15
...
Truncated

Test 44

Group: 3

Verdict: ACCEPTED

input
100000 200000
11465 15800 19042 19282 20348 ...

correct output
36112
6013
51073
8123
82052
...

user output
36112
6013
51073
8123
82052
...
Truncated

Test 45

Group: 3

Verdict: ACCEPTED

input
100000 200000
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

correct output
99407
99529
99590
99589
99679
...

user output
99407
99529
99590
99589
99679
...
Truncated

Test 46

Group: 3

Verdict: ACCEPTED

input
100000 200000
100000 99999 99998 99997 99996...

correct output
1
1
1
1
1
...

user output
1
1
1
1
1
...
Truncated

Test 47

Group: 3

Verdict: ACCEPTED

input
100000 200000
2 1 4 3 6 5 8 7 10 9 12 11 14 ...

correct output
49946
49703
49786
49864
49720
...

user output
49946
49703
49786
49864
49720
...
Truncated

Test 48

Group: 3

Verdict: ACCEPTED

input
100000 200000
99999 100000 99997 99998 99995...

correct output
2
1
2
2
1
...

user output
2
1
2
2
1
...
Truncated

Test 49

Group: 3

Verdict: ACCEPTED

input
100000 200000
2 1 4 3 5 4 5 2 3 1 2 1 4 3 5 ...

correct output
3
3
3
3
2
...

user output
3
3
3
3
2
...
Truncated

Test 50

Group: 3

Verdict: ACCEPTED

input
100000 200000
2 1 4 3 6 5 8 7 10 9 12 11 14 ...

correct output
19
23
2
21
4
...

user output
19
23
2
21
4
...
Truncated

Test 51

Group: 3

Verdict: ACCEPTED

input
100000 200000
2 1 4 3 6 5 8 7 10 9 12 11 14 ...

correct output
112
237
49
141
57
...

user output
112
237
49
141
57
...
Truncated

Test 52

Group: 3

Verdict: ACCEPTED

input
100000 200000
2 1 4 3 6 5 8 7 10 9 12 11 14 ...

correct output
2457
2199
2351
2450
2475
...

user output
2457
2199
2351
2450
2475
...
Truncated

Test 53

Group: 3

Verdict: ACCEPTED

input
100000 200000
2 1 4 3 6 5 8 7 10 9 12 11 14 ...

correct output
24841
24973
24865
24823
24969
...

user output
24841
24973
24865
24823
24969
...
Truncated

Test 54

Group: 3

Verdict: ACCEPTED

input
100000 200000
49999 50000 49997 49998 49995 ...

correct output
210
1
2
2
1
...

user output
210
1
2
2
1
...
Truncated