CSES - Aalto Competitive Programming 2024 - wk4 - Mon - Results
Submission details
Task:Moon landing
Sender:Niilo
Submission time:2024-09-23 17:21:35 +0300
Language:C++ (C++17)
Status:READY
Result:
Test results
testverdicttime
#1ACCEPTED0.01 sdetails
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#64ACCEPTED0.18 sdetails

Code

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
 
#define SEG_OP(a,b) max(a, b)
 
const int N = 1<<17;
 
struct Seg {
  int S[N*2];
 
  Seg(int x = 0) {
    for (int i = N; i < N*2; ++i) S[i] = x;
    for (int i = N-1; i >= 1; --i) S[i] = SEG_OP(S[i*2], S[i*2+1]);
  }
  void set(int i, int x) {
    i |= N;
    S[i] = x;
    for (i /= 2; i >= 1; i /= 2) {
      S[i] = SEG_OP(S[i*2], S[i*2+1]);
    }
  }
  ll get(int a, int b, ll s = 0) {
    a |= N; b |= N;
    while (a <= b) {
      if (a % 2 == 1) s = SEG_OP(s, ll(S[a++]));
      if (b % 2 == 0) s = SEG_OP(s, ll(S[b--]));
      a /= 2; b /= 2;
    }
    return s;
  }
};
#define SEG_OP2(a,b) min(a, b)
struct Seg2 {
  int S[N*2];
 
  Seg2(int x = 0) {
    for (int i = N; i < N*2; ++i) S[i] = x;
    for (int i = N-1; i >= 1; --i) S[i] = SEG_OP2(S[i*2], S[i*2+1]);
  }
  void set(int i, int x) {
    i |= N;
    S[i] = x;
    for (i /= 2; i >= 1; i /= 2) {
      S[i] = SEG_OP2(S[i*2], S[i*2+1]);
    }
  }
  ll get(int a, int b, ll s = 0) {
    a |= N; b |= N;
    while (a <= b) {
      if (a % 2 == 1) s = SEG_OP2(s, ll(S[a++]));
      if (b % 2 == 0) s = SEG_OP2(s, ll(S[b--]));
      a /= 2; b /= 2;
    }
    return s;
  }
};
 
int n, x;
Seg S;
Seg2 S2( 1e9 );
 
int main() {
	cin >> n >> x;
	for (int i = 0; i < n; ++i) {
		int a;
		cin >> a;
		S.set(i,a);
		S2.set(i,a);
	}
	int pos = 0, len = 1;
	for (int i = 0; i < n; ++i) {
		int l = -1;
		for (int j = 1<<17; j >= 1; j /= 2) {
			l += j;
			if (i + l >= n) {
				l -= j;
				continue;
			}
			if (S.get(i,i+l) - S2.get(i,i+l) > x) l -= j;
		}
		++l;
		if (l > len) {
			pos = i; len = l;
		}
	}
	cout << pos+1 << ' ' << len << '\n';
}

Test details

Test 1

Verdict: ACCEPTED

input
1 1

correct output
1 1

user output
1 1

Test 2

Verdict: ACCEPTED

input
2 10
0 2 

correct output
1 2

user output
1 2

Test 3

Verdict:

input
2 4
7 7 

correct output
1 2

user output
1 1

Test 4

Verdict:

input
3 8
5 10 5 

correct output
1 3

user output
1 1

Test 5

Verdict: ACCEPTED

input
3 10
3 6 7 

correct output
1 3

user output
1 3

Test 6

Verdict: ACCEPTED

input
3 0
6 9 5 

correct output
1 1

user output
1 1

Test 7

Verdict:

input
4 3
8 5 1 10 

correct output
1 2

user output
1 1

Test 8

Verdict: ACCEPTED

input
4 9
6 3 8 7 

correct output
1 4

user output
1 4

Test 9

Verdict: ACCEPTED

input
4 10
1 9 6 8 

correct output
1 4

user output
1 4

Test 10

Verdict:

input
5 6
6 7 9 6 9 

correct output
1 5

user output
1 1

Test 11

Verdict:

input
5 4
10 7 10 0 1 

correct output
1 3

user output
4 2

Test 12

Verdict:

input
5 4
2 0 10 6 10 

correct output
3 3

user output
1 2

Test 13

Verdict:

input
5 6
0 7 9 3 1 

correct output
2 3

user output
4 2

Test 14

Verdict: ACCEPTED

input
5 10
9 6 1 10 9 

correct output
1 5

user output
1 5

Test 15

Verdict:

input
5 2
0 9 9 2 4 

correct output
2 2

user output
1 1

Test 16

Verdict: ACCEPTED

input
5 9
10 3 2 9 0 

correct output
1 4

user output
2 4

Test 17

Verdict: ACCEPTED

input
5 0
2 8 3 4 10 

correct output
1 1

user output
1 1

Test 18

Verdict:

input
5 9
0 10 2 9 4 

correct output
2 4

user output
3 3

Test 19

Verdict:

input
5 0
4 5 5 5 0 

correct output
2 3

user output
1 1

Test 20

Verdict:

input
10 6
6 7 9 6 9 5 9 4 6 7 

correct output
1 10

user output
8 2

Test 21

Verdict: ACCEPTED

input
10 4
10 7 10 0 1 3 10 1 2 1 

correct output
1 3

user output
4 3

Test 22

Verdict:

input
10 4
2 0 10 6 10 4 5 4 3 3 

correct output
6 5

user output
8 3

Test 23

Verdict:

input
10 6
0 7 9 3 1 5 6 9 4 9 

correct output
6 5

user output
4 4

Test 24

Verdict: ACCEPTED

input
10 10
9 6 1 10 9 7 6 7 6 2 

correct output
1 10

user output
1 10

Test 25

Verdict:

input
10 2
0 9 9 2 4 10 10 5 0 6 

correct output
2 2

user output
1 1

Test 26

Verdict: ACCEPTED

input
10 9
10 3 2 9 0 0 4 1 10 6 

correct output
2 7

user output
2 7

Test 27

Verdict: ACCEPTED

input
10 0
2 8 3 4 10 7 5 10 3 5 

correct output
1 1

user output
1 1

Test 28

Verdict: ACCEPTED

input
10 9
0 10 2 9 4 5 8 2 4 0 

correct output
2 8

user output
3 8

Test 29

Verdict:

input
10 0
4 5 5 5 0 1 3 1 0 2 

correct output
2 3

user output
1 1

Test 30

Verdict:

input
100 589284011
636562059 767928733 906523440 ...

correct output
1 12

user output
52 6

Test 31

Verdict: ACCEPTED

input
100 447773961
773442531 122815 137572578 324...

correct output
2 10

user output
2 10

Test 32

Verdict:

input
100 468145962
198730371 27838075 590195589 4...

correct output
60 11

user output
38 8

Test 33

Verdict:

input
100 591414746
75940262 760367934 901888416 3...

correct output
34 14

user output
11 8

Test 34

Verdict:

input
100 967034923
587586157 185430193 918715994 ...

correct output
37 64

user output
53 40

Test 35

Verdict:

input
100 238363352
59249203 934941691 892631471 2...

correct output
34 5

user output
52 3

Test 36

Verdict:

input
100 958701282
356460600 224848373 881788058 ...

correct output
1 100

user output
29 53

Test 37

Verdict:

input
100 81935403
244103473 837431430 342493821 ...

correct output
21 3

user output
1 1

Test 38

Verdict:

input
100 937837680
11934037 257096282 933290529 4...

correct output
29 54

user output
51 32

Test 39

Verdict:

input
100 11139167
391337047 538883743 535937149 ...

correct output
2 3

user output
1 1

Test 40

Verdict:

input
200 589284011
636562059 767928733 906523440 ...

correct output
99 15

user output
136 9

Test 41

Verdict: ACCEPTED

input
200 447773961
773442531 122815 137572578 324...

correct output
2 10

user output
2 10

Test 42

Verdict:

input
200 468145962
198730371 27838075 590195589 4...

correct output
60 11

user output
38 8

Test 43

Verdict:

input
200 591414746
75940262 760367934 901888416 3...

correct output
104 24

user output
11 8

Test 44

Verdict:

input
200 967034923
587586157 185430193 918715994 ...

correct output
37 111

user output
115 41

Test 45

Verdict:

input
200 238363352
59249203 934941691 892631471 2...

correct output
34 5

user output
52 3

Test 46

Verdict:

input
200 958701282
356460600 224848373 881788058 ...

correct output
1 138

user output
139 58

Test 47

Verdict:

input
200 81935403
244103473 837431430 342493821 ...

correct output
21 3

user output
1 1

Test 48

Verdict: ACCEPTED

input
200 937837680
11934037 257096282 933290529 4...

correct output
84 66

user output
84 66

Test 49

Verdict:

input
200 11139167
391337047 538883743 535937149 ...

correct output
2 3

user output
1 1

Test 50

Verdict:

input
1000 589284011
636562059 767928733 906523440 ...

correct output
99 15

user output
313 10

Test 51

Verdict: ACCEPTED

input
1000 447773961
773442531 122815 137572578 324...

correct output
2 10

user output
2 10

Test 52

Verdict:

input
1000 468145962
198730371 27838075 590195589 4...

correct output
60 11

user output
38 8

Test 53

Verdict:

input
10000 591414746
75940262 760367934 901888416 3...

correct output
104 24

user output
7448 17

Test 54

Verdict:

input
10000 967034923
587586157 185430193 918715994 ...

correct output
3660 279

user output
3602 235

Test 55

Verdict:

input
10000 238363352
59249203 934941691 892631471 2...

correct output
325 9

user output
3588 8

Test 56

Verdict:

input
100000 958701282
356460600 224848373 881788058 ...

correct output
66493 302

user output
64321 220

Test 57

Verdict:

input
100000 81935403
244103473 837431430 342493821 ...

correct output
28066 7

user output
44607 6

Test 58

Verdict:

input
100000 937837680
11934037 257096282 933290529 4...

correct output
91851 177

user output
56445 153

Test 59

Verdict:

input
100000 11139167
391337047 538883743 535937149 ...

correct output
84138 4

user output
2633 2

Test 60

Verdict:

input
100000 239756970
350744379 561742366 59793553 5...

correct output
94284 12

user output
58657 8

Test 61

Verdict:

input
100000 316394139
195182396 569713187 906489185 ...

correct output
12844 13

user output
28861 11

Test 62

Verdict:

input
100000 698334026
81615940 542726430 464528081 9...

correct output
28811 40

user output
23425 35

Test 63

Verdict:

input
100000 104725911
462211739 817385661 443179352 ...

correct output
46788 9

user output
24455 4

Test 64

Verdict: ACCEPTED

input
100000 20
13 15 11 10 13 16 17 18 15 18 ...

correct output
1 100000

user output
1 100000