CSES - Aalto Competitive Programming 2026 - wk3 - Wed

Submission details
Task:	Box stack I
Sender:	aalto26cw_004
Submission time:	2026-09-16 17:38:40 +0300
Language:	Python3 (PyPy3)
Status:	READY
Result:	WRONG ANSWER

Test results
test	verdict	time
#1	ACCEPTED	0.05 s	details
#2	WRONG ANSWER	0.05 s	details
#3	WRONG ANSWER	0.05 s	details
#4	WRONG ANSWER	0.05 s	details
#5	WRONG ANSWER	0.05 s	details
#6	RUNTIME ERROR	0.06 s	details
#7	ACCEPTED	0.05 s	details
#8	RUNTIME ERROR	0.06 s	details
#9	RUNTIME ERROR	0.06 s	details
#10	WRONG ANSWER	0.05 s	details
#11	WRONG ANSWER	0.05 s	details
#12	RUNTIME ERROR	0.06 s	details
#13	RUNTIME ERROR	0.06 s	details
#14	RUNTIME ERROR	0.06 s	details
#15	RUNTIME ERROR	0.06 s	details
#16	RUNTIME ERROR	0.06 s	details
#17	RUNTIME ERROR	0.06 s	details
#18	WRONG ANSWER	0.05 s	details
#19	WRONG ANSWER	0.05 s	details
#20	ACCEPTED	0.05 s	details
#21	WRONG ANSWER	0.05 s	details
#22	WRONG ANSWER	0.05 s	details
#23	WRONG ANSWER	0.05 s	details
#24	WRONG ANSWER	0.05 s	details
#25	WRONG ANSWER	0.05 s	details
#26	WRONG ANSWER	0.05 s	details
#27	WRONG ANSWER	0.05 s	details
#28	WRONG ANSWER	0.05 s	details
#29	WRONG ANSWER	0.05 s	details
#30	WRONG ANSWER	0.05 s	details
#31	WRONG ANSWER	0.05 s	details
#32	WRONG ANSWER	0.05 s	details
#33	WRONG ANSWER	0.05 s	details
#34	WRONG ANSWER	0.05 s	details
#35	WRONG ANSWER	0.05 s	details
#36	WRONG ANSWER	0.05 s	details
#37	WRONG ANSWER	0.05 s	details
#38	WRONG ANSWER	0.05 s	details
#39	WRONG ANSWER	0.05 s	details
#40	WRONG ANSWER	0.05 s	details
#41	WRONG ANSWER	0.05 s	details
#42	WRONG ANSWER	0.05 s	details
#43	RUNTIME ERROR	0.06 s	details
#44	WRONG ANSWER	0.05 s	details
#45	WRONG ANSWER	0.05 s	details
#46	WRONG ANSWER	0.05 s	details
#47	WRONG ANSWER	0.05 s	details
#48	WRONG ANSWER	0.05 s	details
#49	WRONG ANSWER	0.05 s	details
#50	WRONG ANSWER	0.05 s	details
#51	WRONG ANSWER	0.06 s	details
#52	WRONG ANSWER	0.06 s	details
#53	WRONG ANSWER	0.06 s	details
#54	WRONG ANSWER	0.06 s	details
#55	WRONG ANSWER	0.06 s	details
#56	WRONG ANSWER	0.07 s	details
#57	WRONG ANSWER	0.07 s	details
#58	WRONG ANSWER	0.07 s	details
#59	WRONG ANSWER	0.07 s	details
#60	WRONG ANSWER	0.07 s	details

Code

import sys
from functools import cmp_to_key
input_d = sys.stdin.read().split()
n = int(input_d[0])
stats =[]

for i in range(n):
    stats.append(tuple([int(i) for i in input_d[i+1+2*i:i+4+2*i]]))

sl = sorted(stats,key=lambda x: (-x[1],x[0],-x[2]))

total_height = 0 
total_capa=0

#this solution just uses a simple heuristic

boxes_used =[]

if len(sl)==2:
    best = max(sl[0],sl[1],key=lambda x :x[2])
    print(best[2])
    exit()



dp = [0]*n 

for i in range(len(sl)):
    if i==0:
        dp[i]= sl[i][2]
        total_capa = sl[i][1]
    else :
        #print("wi",sl[i])
        wi = sl[i][0]
        #print("totalcapa",total_capa)
        if total_capa - wi >=0  and wi <= sl[i--1][1]:
                dp[i]= max(dp[i],sl[i][2]+dp[i-1])
                total_capa-= wi 
print(max(dp))

Test details

Test 1

Verdict: ACCEPTED

input
`1 6 7 10` view save

correct output
`10` view save

user output
`10` view save

Test 2

Verdict: WRONG ANSWER

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

correct output
`14` view save

user output
`10` view save

Test 3

Verdict: WRONG ANSWER

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

correct output
`8` view save

user output
`5` view save

Test 4

Verdict: WRONG ANSWER

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

correct output
`15` view save

user output
`11` view save

Test 5

Verdict: WRONG ANSWER

input
`3 9 6 9 4 4 6 7 2 7` view save

correct output
`15` view save

user output
`9` view save

Test 6

Verdict: RUNTIME ERROR

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

correct output
`23` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 36, in <module>
    if total_capa - wi >=0  and wi <= sl[i--1][1]:
IndexError: list index out of range

Test 7

Verdict: ACCEPTED

input
`4 8 4 2 3 4 10 5 10 5 2 6 2` view save

correct output
`17` view save

user output
`17` view save

Test 8

Verdict: RUNTIME ERROR

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

correct output
`26` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 36, in <module>
    if total_capa - wi >=0  and wi <= sl[i--1][1]:
IndexError: list index out of range

Test 9

Verdict: RUNTIME ERROR

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

correct output
`10` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 36, in <module>
    if total_capa - wi >=0  and wi <= sl[i--1][1]:
IndexError: list index out of range

Test 10

Verdict: WRONG ANSWER

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

correct output
`17` view save

user output
`7` view save

Test 11

Verdict: WRONG ANSWER

input
`5 6 6 8 9 7 9 6 9 5 7 7 4 ...` view save

correct output
`18` view save

user output
`9` view save

Test 12

Verdict: RUNTIME ERROR

input
`5 5 10 8 10 1 2 4 10 2 3 1 4 ...` view save

correct output
`18` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 36, in <module>
    if total_capa - wi >=0  and wi <= sl[i--1][1]:
IndexError: list index out of range

Test 13

Verdict: RUNTIME ERROR

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

correct output
`17` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 36, in <module>
    if total_capa - wi >=0  and wi <= sl[i--1][1]:
IndexError: list index out of range

Test 14

Verdict: RUNTIME ERROR

input
`5 6 1 8 9 3 2 6 6 9 5 9 1 ...` view save

correct output
`17` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 36, in <module>
    if total_capa - wi >=0  and wi <= sl[i--1][1]:
IndexError: list index out of range

Test 15

Verdict: RUNTIME ERROR

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

correct output
`22` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 36, in <module>
    if total_capa - wi >=0  and wi <= sl[i--1][1]:
IndexError: list index out of range

Test 16

Verdict: RUNTIME ERROR

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

correct output
`19` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 36, in <module>
    if total_capa - wi >=0  and wi <= sl[i--1][1]:
IndexError: list index out of range

Test 17

Verdict: RUNTIME ERROR

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

correct output
`12` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 36, in <module>
    if total_capa - wi >=0  and wi <= sl[i--1][1]:
IndexError: list index out of range

Test 18

Verdict: WRONG ANSWER

input
`5 1 3 8 4 5 10 8 5 10 4 6 3 ...` view save

correct output
`28` view save

user output
`13` view save

Test 19

Verdict: WRONG ANSWER

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

correct output
`16` view save

user output
`7` view save

Test 20

Verdict: ACCEPTED

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

correct output
`18` view save

user output
`18` view save

Test 21

Verdict: WRONG ANSWER

input
`10 6 6 8 9 7 9 6 9 5 7 7 4 ...` view save

correct output
`22` view save

user output
`8` view save

Test 22

Verdict: WRONG ANSWER

input
`10 5 10 8 10 1 2 4 10 2 3 1 4 ...` view save

correct output
`29` view save

user output
`10` view save

Test 23

Verdict: WRONG ANSWER

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

correct output
`25` view save

user output
`14` view save

Test 24

Verdict: WRONG ANSWER

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

correct output
`19` view save

user output
`7` view save

Test 25

Verdict: WRONG ANSWER

input
`10 10 10 6 2 10 9 8 7 7 6 3 2 ...` view save

correct output
`31` view save

user output
`9` view save

Test 26

Verdict: WRONG ANSWER

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

correct output
`28` view save

user output
`8` view save

Test 27

Verdict: WRONG ANSWER

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

correct output
`21` view save

user output
`10` view save

Test 28

Verdict: WRONG ANSWER

input
`10 1 3 8 4 5 10 8 5 10 4 6 3 ...` view save

correct output
`28` view save

user output
`14` view save

Test 29

Verdict: WRONG ANSWER

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

correct output
`27` view save

user output
`13` view save

Test 30

Verdict: WRONG ANSWER

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

correct output
`29` view save

user output
`17` view save

Test 31

Verdict: WRONG ANSWER

input
`100 1098 1186 1431 1689 1206 1716 1090 1695 848 1248 1292 769 ...` view save

correct output
`16023` view save

user output
`3082` view save

Test 32

Verdict: WRONG ANSWER

input
`100 835 1995 1441 1866 1 257 605 1999 294 473 185 794 ...` view save

correct output
`16049` view save

user output
`2571` view save

Test 33

Verdict: WRONG ANSWER

input
`100 872 371 52 1864 1100 1896 871 970 841 642 661 309 ...` view save

correct output
`14165` view save

user output
`1845` view save

Test 34

Verdict: WRONG ANSWER

input
`100 1102 142 1417 1680 582 243 1022 1139 1786 875 1793 38 ...` view save

correct output
`12391` view save

user output
`1669` view save

Test 35

Verdict: WRONG ANSWER

input
`100 1935 1802 1095 346 1946 1712 1430 1219 1396 1196 433 283 ...` view save

correct output
`19385` view save

user output
`4835` view save

Test 36

Verdict: WRONG ANSWER

input
`100 444 111 1742 1663 414 728 1838 1959 977 180 1224 794 ...` view save

correct output
`15364` view save

user output
`1713` view save

Test 37

Verdict: WRONG ANSWER

input
`100 1786 1895 664 419 1643 129 84 741 216 1971 1191 199 ...` view save

correct output
`15648` view save

user output
`2150` view save

Test 38

Verdict: WRONG ANSWER

input
`100 153 455 1560 638 877 1957 1447 912 1956 617 1077 528 ...` view save

correct output
`12527` view save

user output
`2667` view save

Test 39

Verdict: WRONG ANSWER

input
`100 1747 23 1938 479 1739 756 1062 1633 466 845 23 1225 ...` view save

correct output
`12817` view save

user output
`1812` view save

Test 40

Verdict: WRONG ANSWER

input
`100 21 729 1004 999 992 16 268 633 285 27 438 1755 ...` view save

correct output
`15927` view save

user output
`1755` view save

Test 41

Verdict: WRONG ANSWER

input
`200 1098 1186 1431 1689 1206 1716 1090 1695 848 1248 1292 769 ...` view save

correct output
`20991` view save

user output
`4947` view save

Test 42

Verdict: WRONG ANSWER

input
`200 835 1995 1441 1866 1 257 605 1999 294 473 185 794 ...` view save

correct output
`24785` view save

user output
`1853` view save

Test 43

Verdict: RUNTIME ERROR

input
`200 872 371 52 1864 1100 1896 871 970 841 642 661 309 ...` view save

correct output
`20005` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 36, in <module>
    if total_capa - wi >=0  and wi <= sl[i--1][1]:
IndexError: list index out of range

Test 44

Verdict: WRONG ANSWER

input
`200 1102 142 1417 1680 582 243 1022 1139 1786 875 1793 38 ...` view save

correct output
`21655` view save

user output
`3145` view save

Test 45

Verdict: WRONG ANSWER

input
`200 1935 1802 1095 346 1946 1712 1430 1219 1396 1196 433 283 ...` view save

correct output
`24716` view save

user output
`1868` view save

Test 46

Verdict: WRONG ANSWER

input
`200 444 111 1742 1663 414 728 1838 1959 977 180 1224 794 ...` view save

correct output
`20753` view save

user output
`2899` view save

Test 47

Verdict: WRONG ANSWER

input
`200 1786 1895 664 419 1643 129 84 741 216 1971 1191 199 ...` view save

correct output
`25462` view save

user output
`3564` view save

Test 48

Verdict: WRONG ANSWER

input
`200 153 455 1560 638 877 1957 1447 912 1956 617 1077 528 ...` view save

correct output
`19588` view save

user output
`3927` view save

Test 49

Verdict: WRONG ANSWER

input
`200 1747 23 1938 479 1739 756 1062 1633 466 845 23 1225 ...` view save

correct output
`19995` view save

user output
`1069` view save

Test 50

Verdict: WRONG ANSWER

input
`200 21 729 1004 999 992 16 268 633 285 27 438 1755 ...` view save

correct output
`26434` view save

user output
`1652` view save

Test 51

Verdict: WRONG ANSWER

input
`1000 1098 1186 1431 1689 1206 1716 1090 1695 848 1248 1292 769 ...` view save

correct output
`51198` view save

user output
`3528` view save

Test 52

Verdict: WRONG ANSWER

input
`1000 835 1995 1441 1866 1 257 605 1999 294 473 185 794 ...` view save

correct output
`49723` view save

user output
`2963` view save

Test 53

Verdict: WRONG ANSWER

input
`1000 872 371 52 1864 1100 1896 871 970 841 642 661 309 ...` view save

correct output
`47760` view save

user output
`3002` view save

Test 54

Verdict: WRONG ANSWER

input
`1000 1102 142 1417 1680 582 243 1022 1139 1786 875 1793 38 ...` view save

correct output
`46095` view save

user output
`4750` view save

Test 55

Verdict: WRONG ANSWER

input
`1000 1935 1802 1095 346 1946 1712 1430 1219 1396 1196 433 283 ...` view save

correct output
`55178` view save

user output
`2082` view save

Test 56

Verdict: WRONG ANSWER

input
`2000 444 111 1742 1663 414 728 1838 1959 977 180 1224 794 ...` view save

correct output
`76003` view save

user output
`3409` view save

Test 57

Verdict: WRONG ANSWER

input
`2000 1786 1895 664 419 1643 129 84 741 216 1971 1191 199 ...` view save

correct output
`69375` view save

user output
`4034` view save

Test 58

Verdict: WRONG ANSWER

input
`2000 153 455 1560 638 877 1957 1447 912 1956 617 1077 528 ...` view save

correct output
`68402` view save

user output
`5483` view save

Test 59

Verdict: WRONG ANSWER

input
`2000 1747 23 1938 479 1739 756 1062 1633 466 845 23 1225 ...` view save

correct output
`76262` view save

user output
`3299` view save

Test 60

Verdict: WRONG ANSWER

input
`2000 21 729 1004 999 992 16 268 633 285 27 438 1755 ...` view save

correct output
`81251` view save

user output
`3844` view save

Aalto Competitive Programming 2026 - wk3 - Wed

Box stack I

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

Tasks

Submissions (aalto26cw_004)