CSES - Aalto Competitive Programming 2025 - wk8 - Wed

Submission details
Task:	Frog and flies
Sender:	aalto25i_003
Submission time:	2025-10-29 17:51:59 +0200
Language:	Python3 (PyPy3)
Status:	READY
Result:	ACCEPTED

Test results
test	verdict	time
#1	ACCEPTED	0.04 s	details
#2	ACCEPTED	0.04 s	details
#3	ACCEPTED	0.04 s	details
#4	ACCEPTED	0.04 s	details
#5	ACCEPTED	0.04 s	details
#6	ACCEPTED	0.04 s	details
#7	ACCEPTED	0.04 s	details
#8	ACCEPTED	0.04 s	details
#9	ACCEPTED	0.04 s	details
#10	ACCEPTED	0.04 s	details
#11	ACCEPTED	0.04 s	details
#12	ACCEPTED	0.04 s	details
#13	ACCEPTED	0.04 s	details
#14	ACCEPTED	0.04 s	details
#15	ACCEPTED	0.04 s	details
#16	ACCEPTED	0.04 s	details
#17	ACCEPTED	0.04 s	details
#18	ACCEPTED	0.04 s	details
#19	ACCEPTED	0.04 s	details
#20	ACCEPTED	0.04 s	details
#21	ACCEPTED	0.04 s	details
#22	ACCEPTED	0.04 s	details
#23	ACCEPTED	0.04 s	details
#24	ACCEPTED	0.04 s	details
#25	ACCEPTED	0.04 s	details
#26	ACCEPTED	0.04 s	details
#27	ACCEPTED	0.04 s	details
#28	ACCEPTED	0.04 s	details
#29	ACCEPTED	0.04 s	details
#30	ACCEPTED	0.04 s	details
#31	ACCEPTED	0.04 s	details
#32	ACCEPTED	0.04 s	details
#33	ACCEPTED	0.04 s	details
#34	ACCEPTED	0.04 s	details
#35	ACCEPTED	0.04 s	details
#36	ACCEPTED	0.04 s	details
#37	ACCEPTED	0.04 s	details
#38	ACCEPTED	0.04 s	details
#39	ACCEPTED	0.04 s	details
#40	ACCEPTED	0.04 s	details
#41	ACCEPTED	0.04 s	details
#42	ACCEPTED	0.04 s	details
#43	ACCEPTED	0.05 s	details
#44	ACCEPTED	0.05 s	details
#45	ACCEPTED	0.05 s	details
#46	ACCEPTED	0.05 s	details
#47	ACCEPTED	0.05 s	details
#48	ACCEPTED	0.05 s	details
#49	ACCEPTED	0.05 s	details
#50	ACCEPTED	0.05 s	details
#51	ACCEPTED	0.05 s	details
#52	ACCEPTED	0.05 s	details
#53	ACCEPTED	0.09 s	details
#54	ACCEPTED	0.10 s	details
#55	ACCEPTED	0.09 s	details
#56	ACCEPTED	0.09 s	details
#57	ACCEPTED	0.09 s	details
#58	ACCEPTED	0.09 s	details
#59	ACCEPTED	0.09 s	details
#60	ACCEPTED	0.09 s	details
#61	ACCEPTED	0.09 s	details
#62	ACCEPTED	0.09 s	details
#63	ACCEPTED	0.38 s	details
#64	ACCEPTED	0.39 s	details
#65	ACCEPTED	0.39 s	details
#66	ACCEPTED	0.38 s	details
#67	ACCEPTED	0.28 s	details

Code

import sys
n = int(input())

previous = []
for i in range(n):
    previous.append([])

tree = [0 for i in range(2*n)]


for i in range (n-1,0,-1):
    tree[i]= max(tree[2*i],tree[2*i+1])


def maxi(a,b):
    a+=n
    b+=n
    curr_min = tree[a]
    i = 0
    while (a<=b):
        i+=1
        if a%2 == 1:


            curr_min = max(curr_min,tree[a])
            a+=1
        if b%2 == 0:

            curr_min = max(curr_min,tree[b])
            b-=1
        a//=2
        b//=2
    return curr_min

def update(k,v):
    k = n + k
    tree[k] = v
    k//=2
    while(k>=1):
        prev = tree[k]
        tree[k] = max(tree[2*k],tree[2*k+1])
        if tree[k]== prev:
            break
        k//=2


entry = []
for i in range(n):
    entry.append(input())


for i in range(n-1,0,-1):
    a,b,c = [int(e) for e in entry[i].split()]

    update(i,a+maxi(b-1,c-1))

print(tree[1])

Test details

Test 1

Verdict: ACCEPTED

input
`1 9 1 1` view save

correct output
`9` view save

user output
`0` view save

Test 2

Verdict: ACCEPTED

input
`2 9 2 2 3 2 2` view save

correct output
`12` view save

user output
`3` view save

Test 3

Verdict: ACCEPTED

input
`2 20 2 2 16 2 2` view save

correct output
`36` view save

user output
`16` view save

Test 4

Verdict: ACCEPTED

input
`2 9 2 2 19 2 2` view save

correct output
`28` view save

user output
`19` view save

Test 5

Verdict: ACCEPTED

input
`3 17 3 3 19 2 3 16 3 3` view save

correct output
`35` view save

user output
`35` view save

Test 6

Verdict: ACCEPTED

input
`3 4 2 3 15 2 3 14 3 3` view save

correct output
`33` view save

user output
`29` view save

Test 7

Verdict: ACCEPTED

input
`3 20 2 3 15 3 3 15 3 3` view save

correct output
`50` view save

user output
`30` view save

Test 8

Verdict: ACCEPTED

input
`4 10 2 2 17 2 4 10 3 4 20 4 4` view save

correct output
`57` view save

user output
`47` view save

Test 9

Verdict: ACCEPTED

input
`4 9 1 4 15 3 4 1 3 3 5 4 4` view save

correct output
`29` view save

user output
`20` view save

Test 10

Verdict: ACCEPTED

input
`4 17 4 4 16 2 4 3 3 4 9 4 4` view save

correct output
`28` view save

user output
`28` view save

Test 11

Verdict: ACCEPTED

input
`4 9 1 1 11 2 4 13 3 3 19 4 4` view save

correct output
`30` view save

user output
`30` view save

Test 12

Verdict: ACCEPTED

input
`4 13 1 3 15 2 3 2 3 4 15 4 4` view save

correct output
`45` view save

user output
`32` view save

Test 13

Verdict: ACCEPTED

input
`5 17 3 5 11 4 5 13 5 5 9 5 5 ...` view save

correct output
`32` view save

user output
`22` view save

Test 14

Verdict: ACCEPTED

input
`5 19 4 5 7 2 2 5 3 5 4 4 4 ...` view save

correct output
`33` view save

user output
`19` view save

Test 15

Verdict: ACCEPTED

input
`5 19 1 1 9 4 5 7 4 4 5 4 4 ...` view save

correct output
`19` view save

user output
`14` view save

Test 16

Verdict: ACCEPTED

input
`5 17 1 5 11 3 5 9 4 5 3 5 5 ...` view save

correct output
`45` view save

user output
`28` view save

Test 17

Verdict: ACCEPTED

input
`5 19 1 5 11 2 5 4 3 5 20 4 5 ...` view save

correct output
`72` view save

user output
`53` view save

Test 18

Verdict: ACCEPTED

input
`5 17 1 5 19 2 3 2 4 5 16 4 5 ...` view save

correct output
`64` view save

user output
`47` view save

Test 19

Verdict: ACCEPTED

input
`5 5 5 5 1 5 5 20 4 5 11 5 5 ...` view save

correct output
`42` view save

user output
`42` view save

Test 20

Verdict: ACCEPTED

input
`5 7 2 4 15 3 5 7 4 5 11 4 5 ...` view save

correct output
`49` view save

user output
`42` view save

Test 21

Verdict: ACCEPTED

input
`5 5 1 5 11 5 5 9 5 5 9 4 5 ...` view save

correct output
`25` view save

user output
`20` view save

Test 22

Verdict: ACCEPTED

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

correct output
`14` view save

user output
`12` view save

Test 23

Verdict: ACCEPTED

input
`10 17 6 10 11 7 10 13 9 10 9 8 10 ...` view save

correct output
`65` view save

user output
`59` view save

Test 24

Verdict: ACCEPTED

input
`10 19 8 10 7 2 3 5 4 10 4 4 6 ...` view save

correct output
`61` view save

user output
`61` view save

Test 25

Verdict: ACCEPTED

input
`10 19 1 2 9 6 10 7 6 6 5 5 6 ...` view save

correct output
`79` view save

user output
`60` view save

Test 26

Verdict: ACCEPTED

input
`10 17 1 10 11 4 10 9 7 10 3 10 10 ...` view save

correct output
`75` view save

user output
`58` view save

Test 27

Verdict: ACCEPTED

input
`10 19 1 10 11 2 10 4 3 10 20 4 10 ...` view save

correct output
`131` view save

user output
`112` view save

Test 28

Verdict: ACCEPTED

input
`10 17 1 9 19 3 5 2 6 10 16 6 8 ...` view save

correct output
`85` view save

user output
`68` view save

Test 29

Verdict: ACCEPTED

input
`10 5 10 10 1 9 10 20 5 10 11 8 10 ...` view save

correct output
`69` view save

user output
`69` view save

Test 30

Verdict: ACCEPTED

input
`10 7 3 8 15 5 10 7 6 10 11 5 7 ...` view save

correct output
`60` view save

user output
`57` view save

Test 31

Verdict: ACCEPTED

input
`10 5 1 10 11 9 10 9 9 10 9 4 10 ...` view save

correct output
`66` view save

user output
`61` view save

Test 32

Verdict: ACCEPTED

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

correct output
`88` view save

user output
`82` view save

Test 33

Verdict: ACCEPTED

input
`100 906523441 60 92 585063857 61 96 669546421 86 98 469855690 66 85 ...` view save

correct output
`10771464872` view save

user output
`10771464872` view save

Test 34

Verdict: ACCEPTED

input
`100 122816 73 100 157577940 14 31 425825313 12 26 371043004 22 41 ...` view save

correct output
`14222241248` view save

user output
`14222241248` view save

Test 35

Verdict: ACCEPTED

input
`100 590195590 3 19 520495379 45 95 354694313 34 44 750398099 18 23 ...` view save

correct output
`12737127344` view save

user output
`12146931754` view save

Test 36

Verdict: ACCEPTED

input
`100 901888417 8 76 548496961 30 47 469291685 58 97 134846207 90 100 ...` view save

correct output
`8869447580` view save

user output
`8440875124` view save

Test 37

Verdict: ACCEPTED

input
`100 967034924 1 100 587586158 2 100 185430194 3 100 918715995 4 100 ...` view save

correct output
`48013661869` view save

user output
`47046626945` view save

Test 38

Verdict: ACCEPTED

input
`100 892631472 6 88 986350949 22 38 96444602 50 98 822387303 42 63 ...` view save

correct output
`15455597701` view save

user output
`14562966229` view save

Test 39

Verdict: ACCEPTED

input
`100 224848374 95 100 44771412 83 93 638932295 39 54 653343572 13 64 ...` view save

correct output
`10260736901` view save

user output
`10260736901` view save

Test 40

Verdict: ACCEPTED

input
`100 342493822 23 78 776814822 45 98 330726191 47 98 538074003 29 56 ...` view save

correct output
`11666821579` view save

user output
`11666821579` view save

Test 41

Verdict: ACCEPTED

input
`100 257096283 2 98 570001955 88 99 453495728 83 94 462212374 5 67 ...` view save

correct output
`10202755399` view save

user output
`9945659116` view save

Test 42

Verdict: ACCEPTED

input
`100 535937150 37 51 143698367 2 51 14304401 16 33 449369743 25 89 ...` view save

correct output
`17948258094` view save

user output
`17948258094` view save

Test 43

Verdict: ACCEPTED

input
`200 906523441 119 180 585063857 121 191 669546421 170 188 469855690 131 164 ...` view save

correct output
`14287251667` view save

user output
`14287251667` view save

Test 44

Verdict: ACCEPTED

input
`200 122816 145 200 157577940 27 62 425825313 21 49 371043004 40 80 ...` view save

correct output
`23839250714` view save

user output
`23839250714` view save

Test 45

Verdict: ACCEPTED

input
`200 590195590 6 38 520495379 88 190 354694313 66 86 750398099 34 44 ...` view save

correct output
`22543028553` view save

user output
`22160727204` view save

Test 46

Verdict: ACCEPTED

input
`200 901888417 15 149 548496961 59 85 469291685 115 192 134846207 180 190 ...` view save

correct output
`13373790403` view save

user output
`12945217947` view save

Test 47

Verdict: ACCEPTED

input
`200 967034924 1 200 587586158 2 200 185430194 3 200 918715995 4 200 ...` view save

correct output
`99932744816` view save

user output
`98965709892` view save

Test 48

Verdict: ACCEPTED

input
`200 892631472 12 175 986350949 43 74 96444602 99 196 822387303 82 124 ...` view save

correct output
`19585794045` view save

user output
`18777659742` view save

Test 49

Verdict: ACCEPTED

input
`200 224848374 190 200 44771412 165 176 638932295 76 98 653343572 23 122 ...` view save

correct output
`12979170792` view save

user output
`12979170792` view save

Test 50

Verdict: ACCEPTED

input
`200 342493822 46 156 776814822 89 196 330726191 93 196 538074003 55 110 ...` view save

correct output
`15243236118` view save

user output
`15243236118` view save

Test 51

Verdict: ACCEPTED

input
`200 257096283 3 195 570001955 174 190 453495728 164 180 462212374 6 129 ...` view save

correct output
`14283982608` view save

user output
`14026886325` view save

Test 52

Verdict: ACCEPTED

input
`200 535937150 73 101 143698367 3 100 14304401 31 65 449369743 47 176 ...` view save

correct output
`18543618567` view save

user output
`18543618567` view save

Test 53

Verdict: ACCEPTED

input
`1000 906523441 593 887 585063857 604 946 669546421 848 918 469855690 647 789 ...` view save

correct output
`32453898968` view save

user output
`32453898968` view save

Test 54

Verdict: ACCEPTED

input
`1000 122816 721 998 157577940 129 304 425825313 95 238 371043004 189 390 ...` view save

correct output
`45899314427` view save

user output
`45899314427` view save

Test 55

Verdict: ACCEPTED

input
`1000 590195590 26 186 520495379 436 948 354694313 322 422 750398099 157 208 ...` view save

correct output
`49394640341` view save

user output
`48804444751` view save

Test 56

Verdict: ACCEPTED

input
`1000 901888417 71 732 548496961 292 386 469291685 571 956 134846207 897 908 ...` view save

correct output
`29453089763` view save

user output
`29024517307` view save

Test 57

Verdict: ACCEPTED

input
`1000 967034924 1 1000 587586158 2 1000 185430194 3 1000 918715995 4 1000 ...` view save

correct output
`506241655029` view save

user output
`505274620105` view save

Test 58

Verdict: ACCEPTED

input
`1000 892631472 56 871 986350949 208 365 96444602 490 980 822387303 399 613 ...` view save

correct output
`44324051778` view save

user output
`44266208278` view save

Test 59

Verdict: ACCEPTED

input
`1000 224848374 948 972 44771412 822 842 638932295 372 448 653343572 103 583 ...` view save

correct output
`30967398959` view save

user output
`30967398959` view save

Test 60

Verdict: ACCEPTED

input
`1000 342493822 228 780 776814822 439 979 330726191 457 979 538074003 267 540 ...` view save

correct output
`43469922656` view save

user output
`43469922656` view save

Test 61

Verdict: ACCEPTED

input
`1000 257096283 12 970 570001955 870 925 453495728 817 867 462212374 15 622 ...` view save

correct output
`34202519364` view save

user output
`34058846132` view save

Test 62

Verdict: ACCEPTED

input
`1000 535937150 365 502 143698367 9 497 14304401 144 318 449369743 221 878 ...` view save

correct output
`46138944399` view save

user output
`46138944399` view save

Test 63

Verdict: ACCEPTED

input
`100000 906523441 59286 88407 585063857 60277 94359 669546421 84727 91203 469855690 64592 78208 ...` view save

correct output
`313668791775` view save

user output
`313668791775` view save

Test 64

Verdict: ACCEPTED

input
`100000 122816 72034 99721 157577940 12814 30235 425825313 9236 23611 371043004 18629 38794 ...` view save

correct output
`442748272142` view save

user output
`442748272142` view save

Test 65

Verdict: ACCEPTED

input
`100000 590195590 2593 18509 520495379 43533 94774 354694313 32056 42039 750398099 15446 20468 ...` view save

correct output
`441063322118` view save

user output
`441063322118` view save

Test 66

Verdict: ACCEPTED

input
`100000 901888417 7073 72882 548496961 29092 37704 469291685 56933 95391 134846207 89632 89836 ...` view save

correct output
`308915267694` view save

user output
`308915267694` view save

Test 67

Verdict: ACCEPTED

input
`100000 967034924 1 100000 587586158 2 100000 185430194 3 100000 918715995 4 100000 ...` view save

correct output
`49936734769054` view save

user output
`49935767734130` view save

Aalto Competitive Programming 2025 - wk8 - Wed

Frog and flies

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

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Test 64

Test 65

Test 66

Test 67

Tasks

Submissions (aalto25i_003)