CSES - Aalto Competitive Programming 2025 - wk6 - Mon

Submission details
Task:	Tree game
Sender:	ind1f
Submission time:	2025-10-06 16:50:05 +0300
Language:	C++ (C++17)
Status:	READY
Result:	ACCEPTED

Test results
test	verdict	time
#1	ACCEPTED	0.01 s	details
#2	ACCEPTED	0.01 s	details
#3	ACCEPTED	0.01 s	details
#4	ACCEPTED	0.01 s	details
#5	ACCEPTED	0.01 s	details
#6	ACCEPTED	0.01 s	details
#7	ACCEPTED	0.01 s	details
#8	ACCEPTED	0.01 s	details
#9	ACCEPTED	0.01 s	details
#10	ACCEPTED	0.01 s	details
#11	ACCEPTED	0.01 s	details
#12	ACCEPTED	0.01 s	details
#13	ACCEPTED	0.01 s	details
#14	ACCEPTED	0.01 s	details
#15	ACCEPTED	0.01 s	details
#16	ACCEPTED	0.01 s	details
#17	ACCEPTED	0.01 s	details
#18	ACCEPTED	0.01 s	details
#19	ACCEPTED	0.01 s	details
#20	ACCEPTED	0.01 s	details
#21	ACCEPTED	0.01 s	details
#22	ACCEPTED	0.01 s	details
#23	ACCEPTED	0.01 s	details
#24	ACCEPTED	0.01 s	details
#25	ACCEPTED	0.01 s	details
#26	ACCEPTED	0.01 s	details
#27	ACCEPTED	0.01 s	details
#28	ACCEPTED	0.01 s	details
#29	ACCEPTED	0.01 s	details
#30	ACCEPTED	0.01 s	details
#31	ACCEPTED	0.01 s	details
#32	ACCEPTED	0.01 s	details
#33	ACCEPTED	0.01 s	details
#34	ACCEPTED	0.01 s	details
#35	ACCEPTED	0.01 s	details
#36	ACCEPTED	0.01 s	details
#37	ACCEPTED	0.01 s	details
#38	ACCEPTED	0.01 s	details
#39	ACCEPTED	0.01 s	details
#40	ACCEPTED	0.01 s	details
#41	ACCEPTED	0.01 s	details
#42	ACCEPTED	0.01 s	details
#43	ACCEPTED	0.01 s	details
#44	ACCEPTED	0.01 s	details
#45	ACCEPTED	0.01 s	details
#46	ACCEPTED	0.01 s	details
#47	ACCEPTED	0.01 s	details
#48	ACCEPTED	0.01 s	details
#49	ACCEPTED	0.01 s	details
#50	ACCEPTED	0.01 s	details
#51	ACCEPTED	0.01 s	details
#52	ACCEPTED	0.01 s	details
#53	ACCEPTED	0.01 s	details
#54	ACCEPTED	0.01 s	details
#55	ACCEPTED	0.01 s	details
#56	ACCEPTED	0.01 s	details
#57	ACCEPTED	0.01 s	details
#58	ACCEPTED	0.01 s	details
#59	ACCEPTED	0.01 s	details
#60	ACCEPTED	0.07 s	details
#61	ACCEPTED	0.08 s	details
#62	ACCEPTED	0.07 s	details
#63	ACCEPTED	0.06 s	details
#64	ACCEPTED	0.06 s	details
#65	ACCEPTED	0.07 s	details
#66	ACCEPTED	0.07 s	details
#67	ACCEPTED	0.07 s	details
#68	ACCEPTED	0.06 s	details
#69	ACCEPTED	0.06 s	details

Code

#include <bits/stdc++.h>

using namespace std;

const int N = 1e5 + 5;
const long long LLINF = 2e18;

int n;
int a[N];
vector<int> g[N];
long long f[N];

void dfs(int u) {
  multiset<long long> sus;
  for (int v : g[u]) {
    dfs(v);
    sus.insert(f[v]);
  }
  long long aux = LLINF;
  if (sus.empty() || sus.size() <= 1) {
    aux = 0;
  }
  for (long long x : sus) {
    sus.erase(sus.find(x));
    if (!sus.empty()) {
      aux = min(aux, *sus.rbegin());
    }
    sus.insert(x);
  }
  f[u] = a[u] + aux;
}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  cin >> n;
  for (int i = 1; i <= n; i++) {
    cin >> a[i];
  }
  for (int i = 1; i <= n; i++) {
    int p;
    cin >> p;
    if (i != 1) {
      g[p].emplace_back(i);
    }
  }
  dfs(1);
  cout << f[1] << '\n';
  return 0;
}

Test details

Test 1

Verdict: ACCEPTED

input
`1 8 1` view save

correct output
`8` view save

user output
`8` view save

Test 2

Verdict: ACCEPTED

input
`2 8 8 1 1` view save

correct output
`8` view save

user output
`8` view save

Test 3

Verdict: ACCEPTED

input
`3 3 1 6 1 3 1` view save

correct output
`3` view save

user output
`3` view save

Test 4

Verdict: ACCEPTED

input
`3 5 8 4 1 1 2` view save

correct output
`5` view save

user output
`5` view save

Test 5

Verdict: ACCEPTED

input
`3 8 8 3 1 1 1` view save

correct output
`11` view save

user output
`11` view save

Test 6

Verdict: ACCEPTED

input
`4 9 8 1 6 1 1 2 2` view save

correct output
`9` view save

user output
`9` view save

Test 7

Verdict: ACCEPTED

input
`4 10 1 4 3 1 1 1 2` view save

correct output
`11` view save

user output
`11` view save

Test 8

Verdict: ACCEPTED

input
`4 9 10 2 6 1 4 1 1` view save

correct output
`11` view save

user output
`11` view save

Test 9

Verdict: ACCEPTED

input
`4 7 4 9 2 1 1 1 3` view save

correct output
`11` view save

user output
`11` view save

Test 10

Verdict: ACCEPTED

input
`5 9 5 7 7 4 1 1 4 2 4` view save

correct output
`9` view save

user output
`9` view save

Test 11

Verdict: ACCEPTED

input
`5 10 2 3 1 4 1 1 1 1 3` view save

correct output
`12` view save

user output
`12` view save

Test 12

Verdict: ACCEPTED

input
`5 5 5 4 4 2 1 4 4 1 2` view save

correct output
`5` view save

user output
`5` view save

Test 13

Verdict: ACCEPTED

input
`5 6 9 5 9 1 1 1 1 3 1` view save

correct output
`11` view save

user output
`11` view save

Test 14

Verdict: ACCEPTED

input
`5 7 7 6 3 2 1 1 2 3 3` view save

correct output
`7` view save

user output
`7` view save

Test 15

Verdict: ACCEPTED

input
`5 10 5 1 7 4 1 1 5 3 1` view save

correct output
`14` view save

user output
`14` view save

Test 16

Verdict: ACCEPTED

input
`5 4 2 10 6 1 1 1 2 1 1` view save

correct output
`6` view save

user output
`6` view save

Test 17

Verdict: ACCEPTED

input
`5 5 10 4 6 3 1 1 2 1 2` view save

correct output
`11` view save

user output
`11` view save

Test 18

Verdict: ACCEPTED

input
`5 9 3 5 1 7 1 5 5 3 1` view save

correct output
`9` view save

user output
`9` view save

Test 19

Verdict: ACCEPTED

input
`5 4 2 1 3 9 1 1 1 1 1` view save

correct output
`7` view save

user output
`7` view save

Test 20

Verdict: ACCEPTED

input
`10 9 1 10 3 4 5 8 9 6 5 1 4 2 1 7 4 8 6 7 8` view save

correct output
`9` view save

user output
`9` view save

Test 21

Verdict: ACCEPTED

input
`10 4 7 4 10 6 9 5 4 7 6 1 1 1 2 1 1 8 2 3 3` view save

correct output
`14` view save

user output
`14` view save

Test 22

Verdict: ACCEPTED

input
`10 7 2 3 5 3 7 7 9 6 7 1 8 2 7 8 7 1 1 6 7` view save

correct output
`18` view save

user output
`18` view save

Test 23

Verdict: ACCEPTED

input
`10 3 3 1 1 5 7 1 2 5 5 1 5 7 2 1 5 8 5 1 1` view save

correct output
`8` view save

user output
`8` view save

Test 24

Verdict: ACCEPTED

input
`10 1 7 3 10 5 7 8 1 2 6 1 1 1 2 9 2 9 3 2 9` view save

correct output
`4` view save

user output
`4` view save

Test 25

Verdict: ACCEPTED

input
`10 6 5 3 10 2 9 1 7 8 9 1 8 5 1 1 10 2 5 8 2` view save

correct output
`11` view save

user output
`11` view save

Test 26

Verdict: ACCEPTED

input
`10 5 6 4 5 7 9 5 8 8 4 1 1 4 2 6 1 6 5 1 1` view save

correct output
`13` view save

user output
`13` view save

Test 27

Verdict: ACCEPTED

input
`10 1 5 3 1 5 6 7 9 9 4 1 5 10 9 1 9 9 4 5 5` view save

correct output
`1` view save

user output
`1` view save

Test 28

Verdict: ACCEPTED

input
`10 5 5 6 9 5 10 6 2 6 8 1 1 4 9 9 1 2 1 6 8` view save

correct output
`10` view save

user output
`10` view save

Test 29

Verdict: ACCEPTED

input
`10 3 2 1 4 4 5 2 4 9 4 1 5 1 2 1 1 3 1 1 9` view save

correct output
`8` view save

user output
`8` view save

Test 30

Verdict: ACCEPTED

input
`100 21461600 42077569 474283491 30...` view save

correct output
`966865392` view save

user output
`966865392` view save

Test 31

Verdict: ACCEPTED

input
`100 578129114 177547714 700400588 ...` view save

correct output
`1855515684` view save

user output
`1855515684` view save

Test 32

Verdict: ACCEPTED

input
`100 994871996 791076134 5953277 40...` view save

correct output
`1814515836` view save

user output
`1814515836` view save

Test 33

Verdict: ACCEPTED

input
`100 222228197 71907871 993998009 7...` view save

correct output
`1135951805` view save

user output
`1135951805` view save

Test 34

Verdict: ACCEPTED

input
`100 579900832 174882180 138713252 ...` view save

correct output
`716202927` view save

user output
`716202927` view save

Test 35

Verdict: ACCEPTED

input
`100 189754281 378059061 342381828 ...` view save

correct output
`1551273774` view save

user output
`1551273774` view save

Test 36

Verdict: ACCEPTED

input
`100 915344 434975452 466660908 159...` view save

correct output
`907612293` view save

user output
`907612293` view save

Test 37

Verdict: ACCEPTED

input
`100 857806942 521650866 432061350 ...` view save

correct output
`2316691892` view save

user output
`2316691892` view save

Test 38

Verdict: ACCEPTED

input
`100 126184681 630426411 840357157 ...` view save

correct output
`126184681` view save

user output
`126184681` view save

Test 39

Verdict: ACCEPTED

input
`100 877496128 782849725 556141400 ...` view save

correct output
`2248009755` view save

user output
`2248009755` view save

Test 40

Verdict: ACCEPTED

input
`200 903167338 160468896 971358120 ...` view save

correct output
`2615788195` view save

user output
`2615788195` view save

Test 41

Verdict: ACCEPTED

input
`200 139339061 77281799 316066077 3...` view save

correct output
`729411647` view save

user output
`729411647` view save

Test 42

Verdict: ACCEPTED

input
`200 19617302 94019529 17298266 328...` view save

correct output
`983806343` view save

user output
`983806343` view save

Test 43

Verdict: ACCEPTED

input
`200 578170987 336960706 697473976 ...` view save

correct output
`1901938137` view save

user output
`1901938137` view save

Test 44

Verdict: ACCEPTED

input
`200 956690801 79083637 339599313 1...` view save

correct output
`1857249559` view save

user output
`1857249559` view save

Test 45

Verdict: ACCEPTED

input
`200 185716349 143762158 115416001 ...` view save

correct output
`1057534782` view save

user output
`1057534782` view save

Test 46

Verdict: ACCEPTED

input
`200 275288896 20815354 254338864 6...` view save

correct output
`1267445164` view save

user output
`1267445164` view save

Test 47

Verdict: ACCEPTED

input
`200 24900465 555962124 563413635 3...` view save

correct output
`747057370` view save

user output
`747057370` view save

Test 48

Verdict: ACCEPTED

input
`200 513524772 254574588 366558027 ...` view save

correct output
`2272884295` view save

user output
`2272884295` view save

Test 49

Verdict: ACCEPTED

input
`200 490774594 733870697 844510835 ...` view save

correct output
`1650288517` view save

user output
`1650288517` view save

Test 50

Verdict: ACCEPTED

input
`1000 861884121 322555995 898039039 ...` view save

correct output
`2972059986` view save

user output
`2972059986` view save

Test 51

Verdict: ACCEPTED

input
`1000 659913933 513100418 571680180 ...` view save

correct output
`659913933` view save

user output
`659913933` view save

Test 52

Verdict: ACCEPTED

input
`1000 209874718 348676066 464074417 ...` view save

correct output
`899398937` view save

user output
`899398937` view save

Test 53

Verdict: ACCEPTED

input
`1000 645792798 158522181 659799184 ...` view save

correct output
`2154979899` view save

user output
`2154979899` view save

Test 54

Verdict: ACCEPTED

input
`1000 859348061 421675209 599301462 ...` view save

correct output
`2387245650` view save

user output
`2387245650` view save

Test 55

Verdict: ACCEPTED

input
`1000 226879800 528482225 208763773 ...` view save

correct output
`1424568237` view save

user output
`1424568237` view save

Test 56

Verdict: ACCEPTED

input
`1000 233113004 975537019 524093912 ...` view save

correct output
`1182124106` view save

user output
`1182124106` view save

Test 57

Verdict: ACCEPTED

input
`1000 874049734 75947226 679836952 6...` view save

correct output
`2874667578` view save

user output
`2874667578` view save

Test 58

Verdict: ACCEPTED

input
`1000 136403860 348337953 506386641 ...` view save

correct output
`136403860` view save

user output
`136403860` view save

Test 59

Verdict: ACCEPTED

input
`1000 824089343 410028787 814008876 ...` view save

correct output
`1778275291` view save

user output
`1778275291` view save

Test 60

Verdict: ACCEPTED

input
`100000 106979616 574727912 291579092 ...` view save

correct output
`3411435693` view save

user output
`3411435693` view save

Test 61

Verdict: ACCEPTED

input
`100000 834972396 341945130 512367317 ...` view save

correct output
`1494272515` view save

user output
`1494272515` view save

Test 62

Verdict: ACCEPTED

input
`100000 964109644 356056141 521072685 ...` view save

correct output
`1283227450` view save

user output
`1283227450` view save

Test 63

Verdict: ACCEPTED

input
`100000 779580014 612148564 793692717 ...` view save

correct output
`4717954657` view save

user output
`4717954657` view save

Test 64

Verdict: ACCEPTED

input
`100000 124576659 286156851 307400435 ...` view save

correct output
`124576659` view save

user output
`124576659` view save

Test 65

Verdict: ACCEPTED

input
`100000 452020023 593221033 326082759 ...` view save

correct output
`1178920108` view save

user output
`1178920108` view save

Test 66

Verdict: ACCEPTED

input
`100000 378587281 1836202 116838722 72...` view save

correct output
`587215770` view save

user output
`587215770` view save

Test 67

Verdict: ACCEPTED

input
`100000 877997603 741843452 187099247 ...` view save

correct output
`1018714881` view save

user output
`1018714881` view save

Test 68

Verdict: ACCEPTED

input
`100000 280774790 48087557 668312713 4...` view save

correct output
`3930265099` view save

user output
`3930265099` view save

Test 69

Verdict: ACCEPTED

input
`100000 866596482 430317267 394041807 ...` view save

correct output
`1639137122` view save

user output
`1639137122` view save

Aalto Competitive Programming 2025 - wk6 - Mon

Tree game

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Test 25

Test 26

Test 27

Test 28

Test 29

Test 30

Test 31

Test 32

Test 33

Test 34

Test 35

Test 36

Test 37

Test 38

Test 39

Test 40

Test 41

Test 42

Test 43

Test 44

Test 45

Test 46

Test 47

Test 48

Test 49

Test 50

Test 51

Test 52

Test 53

Test 54

Test 55

Test 56

Test 57

Test 58

Test 59

Test 60

Test 61

Test 62

Test 63

Test 64

Test 65

Test 66

Test 67

Test 68

Test 69

Tasks

Submissions (ind1f)