CSES - Datatähti 2020 alku - Results
Submission details
Task:Mastot
Sender:AtskaFin
Submission time:2020-09-21 18:35:23 +0300
Language:C++17
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3details
#2ACCEPTED0.01 s1, 2, 3details
#3ACCEPTED0.01 s1, 2, 3details
#4ACCEPTED0.01 s1, 2, 3details
#5ACCEPTED0.01 s1, 2, 3details
#60.01 s1, 2, 3details
#70.01 s1, 2, 3details
#80.01 s1, 2, 3details
#9ACCEPTED0.01 s1, 2, 3details
#10ACCEPTED0.01 s1, 2, 3details
#110.01 s1, 2, 3details
#120.01 s1, 2, 3details
#130.01 s1, 2, 3details
#14ACCEPTED0.01 s1, 2, 3details
#15ACCEPTED0.01 s1, 2, 3details
#16ACCEPTED0.01 s1, 2, 3details
#17ACCEPTED0.01 s1, 2, 3details
#180.01 s1, 2, 3details
#190.01 s1, 2, 3details
#20ACCEPTED0.01 s1, 2, 3details
#210.01 s2, 3details
#22ACCEPTED0.01 s2, 3details
#23ACCEPTED0.01 s2, 3details
#24ACCEPTED0.01 s2, 3details
#25ACCEPTED0.01 s2, 3details
#260.01 s2, 3details
#270.01 s2, 3details
#28ACCEPTED0.01 s2, 3details
#29ACCEPTED0.01 s2, 3details
#30ACCEPTED0.01 s2, 3details
#31ACCEPTED0.01 s2, 3details
#32ACCEPTED0.01 s2, 3details
#33ACCEPTED0.01 s2, 3details
#340.13 s3details
#35ACCEPTED0.18 s3details
#36ACCEPTED0.18 s3details
#37ACCEPTED0.19 s3details
#38ACCEPTED0.17 s3details
#390.13 s3details
#400.13 s3details
#41ACCEPTED0.19 s3details
#42ACCEPTED0.18 s3details
#43ACCEPTED0.19 s3details
#44ACCEPTED0.19 s3details
#45ACCEPTED0.19 s3details
#46ACCEPTED0.19 s3details

Code

#include <iostream>
#include <vector>
#include <algorithm>

typedef long long ll;

using namespace std;

vector<int> ranges;
vector<int> costs;
vector<ll> tree;
ll n;
int N = 2;

void update(int i, int value) {
  i += N;

  tree[i] = value;
  for (i /= 2; i >= 1; i /= 2) {
    tree[i] = min(tree[i*2], tree[i*2+1]);
  }
}

ll getMin(int a, int b) {
  a += N; b += N;

  ll x = tree[a];
  while (a <= b) {
    if (a % 2 == 1) x = min(x, tree[a++]);
    if (b % 2 == 0) x = min(x, tree[b--]);
    a /= 2; b /= 2;
  }

  return x;
}

void printTree() {
  for (ll x : tree) {
    cout << x << " ";
  }

  cout << "\n";
}

int main() {
  cin >> n;
  ranges.resize(n);
  costs.resize(n);
  for (int i = 0; i < n; i++) cin >> ranges[i];
  for (int i = 1; i < n; i++) cin >> costs[i];

  while (N <= n) N *= 2;

  tree.resize(N*2);
  for (int i = 0; i < N*2; i++) tree[i] = 1e18;

  update(n, 0);

  for (ll i = n - 1; i >= 0; i--) {
    ll minCost = getMin(i, min(n, i+ranges[i])) + costs[i];

    update(i, minCost);
    //printTree();
  }

  cout << tree[N] << "\n";
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
6
2 2 3 1 2 4
4 1 3 4 2

correct output
3

user output
3

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
2
1 1
1

correct output
1

user output
1

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
2
2 1
1

correct output
0

user output
0

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
3
2 2 1
1 2

correct output
1

user output
1

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
3
2 2 1
2 1

correct output
1

user output
1

Test 6

Group: 1, 2, 3

Verdict:

input
4
1 1 1 1
1000000000 1000000000 10000000...

correct output
3000000000

user output
-1294967296

Test 7

Group: 1, 2, 3

Verdict:

input
20
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
19000000000

user output
1820130816

Test 8

Group: 1, 2, 3

Verdict:

input
20
1 1 2 1 1 1 2 1 1 2 1 1 1 2 1 ...

correct output
4609157377

user output
850531634

Test 9

Group: 1, 2, 3

Verdict: ACCEPTED

input
20
20 20 20 20 20 20 20 20 20 20 ...

correct output
0

user output
0

Test 10

Group: 1, 2, 3

Verdict: ACCEPTED

input
19
16 10 9 17 1 16 19 4 18 13 5 3...

correct output
8424700

user output
8424700

Test 11

Group: 1, 2, 3

Verdict:

input
20
2 4 3 4 4 4 4 1 1 3 4 2 1 3 3 ...

correct output
2817777553

user output
-48006524

Test 12

Group: 1, 2, 3

Verdict:

input
20
4 4 4 4 3 4 1 3 4 1 1 4 1 3 1 ...

correct output
3020673750

user output
-795869120

Test 13

Group: 1, 2, 3

Verdict:

input
20
5 1 3 4 2 4 2 2 5 1 3 3 2 4 1 ...

correct output
2064735712

user output
-1334576866

Test 14

Group: 1, 2, 3

Verdict: ACCEPTED

input
20
8 1 2 6 8 6 9 1 4 9 9 8 6 3 3 ...

correct output
378551508

user output
378551508

Test 15

Group: 1, 2, 3

Verdict: ACCEPTED

input
20
5 2 8 9 4 10 1 8 9 9 8 1 7 8 9...

correct output
457149308

user output
457149308

Test 16

Group: 1, 2, 3

Verdict: ACCEPTED

input
20
7 6 2 6 1 3 10 4 6 3 5 2 2 10 ...

correct output
471575451

user output
471575451

Test 17

Group: 1, 2, 3

Verdict: ACCEPTED

input
20
6 2 2 3 8 7 2 10 8 9 6 3 10 5 ...

correct output
620685913

user output
620685913

Test 18

Group: 1, 2, 3

Verdict:

input
20
4 5 3 8 2 8 5 9 6 3 7 5 1 6 9 ...

correct output
1132427688

user output
-2079663184

Test 19

Group: 1, 2, 3

Verdict:

input
20
15 9 7 18 3 20 19 20 17 16 16 ...

correct output
333300698

user output
-1755642848

Test 20

Group: 1, 2, 3

Verdict: ACCEPTED

input
20
19 18 17 16 15 14 13 12 11 10 ...

correct output
660514815

user output
660514815

Test 21

Group: 2, 3

Verdict:

input
5000
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
4999000000000

user output
-341932544

Test 22

Group: 2, 3

Verdict: ACCEPTED

input
5000
5000 5000 5000 5000 5000 5000 ...

correct output
0

user output
0

Test 23

Group: 2, 3

Verdict: ACCEPTED

input
5000
4999 4998 4997 4996 4995 4994 ...

correct output
576616581

user output
576616581

Test 24

Group: 2, 3

Verdict: ACCEPTED

input
5000
3343 3711 2568 137 2621 3850 4...

correct output
671570

user output
671570

Test 25

Group: 2, 3

Verdict: ACCEPTED

input
5000
119 203 420 133 175 334 461 10...

correct output
85700253

user output
85700253

Test 26

Group: 2, 3

Verdict:

input
5000
8 6 2 1 4 5 7 3 4 2 1 10 3 6 6...

correct output
193210576015

user output
-1625199124

Test 27

Group: 2, 3

Verdict:

input
5000
1 2 1 2 2 1 2 2 1 1 1 2 1 2 2 ...

correct output
1576581428593

user output
639182618

Test 28

Group: 2, 3

Verdict: ACCEPTED

input
5000
300 1937 2136 770 429 2388 197...

correct output
3584707

user output
3584707

Test 29

Group: 2, 3

Verdict: ACCEPTED

input
5000
949 46 29 2237 2413 36 42 1162...

correct output
3210354

user output
3210354

Test 30

Group: 2, 3

Verdict: ACCEPTED

input
5000
1557 1727 1787 360 1698 2423 1...

correct output
3177107

user output
3177107

Test 31

Group: 2, 3

Verdict: ACCEPTED

input
5000
484 1991 2309 1326 1901 2426 8...

correct output
4863018

user output
4863018

Test 32

Group: 2, 3

Verdict: ACCEPTED

input
5000
1833 459 1994 2050 272 31 708 ...

correct output
2876923

user output
2876923

Test 33

Group: 2, 3

Verdict: ACCEPTED

input
4999
530 2248 1916 859 2394 1403 24...

correct output
5194452

user output
5194452

Test 34

Group: 3

Verdict:

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

correct output
199999000000000

user output
-447105536

Test 35

Group: 3

Verdict: ACCEPTED

input
200000
200000 200000 200000 200000 20...

correct output
0

user output
0

Test 36

Group: 3

Verdict: ACCEPTED

input
200000
199999 199998 199997 199996 19...

correct output
819945000

user output
819945000

Test 37

Group: 3

Verdict: ACCEPTED

input
200000
9036 179861 197509 187949 9444...

correct output
59563

user output
59563

Test 38

Group: 3

Verdict: ACCEPTED

input
200000
357 1516 141 399 860 1591 544 ...

correct output
247414000

user output
247414000

Test 39

Group: 3

Verdict:

input
200000
10 4 1 7 1 8 8 4 8 2 2 4 2 4 8...

correct output
7789595210075

user output
587014309

Test 40

Group: 3

Verdict:

input
200000
1 2 1 1 1 1 2 1 2 2 1 2 2 2 2 ...

correct output
62777824801872

user output
1172359051

Test 41

Group: 3

Verdict: ACCEPTED

input
200000
9473 42975 69773 60909 9354 20...

correct output
76814

user output
76814

Test 42

Group: 3

Verdict: ACCEPTED

input
200000
31087 18493 14158 65333 95850 ...

correct output
180614

user output
180614

Test 43

Group: 3

Verdict: ACCEPTED

input
200000
66563 17340 2293 5101 35636 96...

correct output
56642

user output
56642

Test 44

Group: 3

Verdict: ACCEPTED

input
200000
4005 35201 22254 56956 49098 7...

correct output
287201

user output
287201

Test 45

Group: 3

Verdict: ACCEPTED

input
200000
99266 91407 53419 70750 93505 ...

correct output
54045

user output
54045

Test 46

Group: 3

Verdict: ACCEPTED

input
199999
23098 95019 27998 22880 40713 ...

correct output
184595

user output
184595