CSES - Aalto Competitive Programming 2024 - wk7 - Mon - Results
Submission details
Task:3SUM
Sender:Farah
Submission time:2024-10-21 16:33:55 +0300
Language:Python3 (CPython3)
Status:READY
Result:
Test results
testverdicttime
#1ACCEPTED0.02 sdetails
#2ACCEPTED0.02 sdetails
#3ACCEPTED0.02 sdetails
#4ACCEPTED0.02 sdetails
#5ACCEPTED0.02 sdetails
#6ACCEPTED0.02 sdetails
#7ACCEPTED0.02 sdetails
#8ACCEPTED0.02 sdetails
#9ACCEPTED0.02 sdetails
#10--details
#11ACCEPTED0.71 sdetails
#12ACCEPTED0.42 sdetails
#13--details
#14--details
#15--details
#16ACCEPTED0.14 sdetails
#17ACCEPTED0.13 sdetails
#18--details
#19--details
#20ACCEPTED0.42 sdetails
#21--details
#22--details
#23ACCEPTED0.02 sdetails

Code

def find_three_numbers(n, x, arr):

    indexed_arr = [(val, idx) for idx, val in enumerate(arr, start=1)]

    for i in range(n):
        seen = set()  
        current_target = x - indexed_arr[i][0]
     
        for j in range(i + 1, n):
            complement = current_target - indexed_arr[j][0]
            if complement in seen:
                
                for k in range(i + 1, j):
                    if indexed_arr[k][0] == complement:
                        result = [indexed_arr[i][1], indexed_arr[j][1], indexed_arr[k][1]]
                        result.sort()
                        print(result[0], result[1], result[2])
                        return
            seen.add(indexed_arr[j][0])
  
    print("IMPOSSIBLE")

n, x = map(int, input().split())
arr = list(map(int, input().split()))

find_three_numbers(n, x, arr)

Test details

Test 1

Verdict: ACCEPTED

input
1 3
1

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 2

Verdict: ACCEPTED

input
3 5
1 3 2

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 3

Verdict: ACCEPTED

input
3 6
1 3 2

correct output
1 3 2

user output
1 2 3

Test 4

Verdict: ACCEPTED

input
3 7
3 2 1

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 5

Verdict: ACCEPTED

input
7 3
2 1 1 2 2 1 1

correct output
2 3 7

user output
2 3 6

Test 6

Verdict: ACCEPTED

input
7 4
1 1 2 2 1 2 1

correct output
1 2 6

user output
1 2 3

Test 7

Verdict: ACCEPTED

input
7 5
1 2 1 2 2 1 1

correct output
1 2 5

user output
1 2 4

Test 8

Verdict: ACCEPTED

input
7 6
2 1 1 1 1 2 2

correct output
1 6 7

user output
1 6 7

Test 9

Verdict: ACCEPTED

input
5000 3
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
1 2 5000

user output
1 2 3

Test 10

Verdict:

input
5000 4
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
IMPOSSIBLE

user output
(empty)

Test 11

Verdict: ACCEPTED

input
5000 6
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
714 3518 4240

user output
714 3518 4240

Test 12

Verdict: ACCEPTED

input
5000 919900245
663612758 9075403 585385629 98...

correct output
2787 465 2266

user output
295 2481 2507

Test 13

Verdict:

input
5000 999989608
12983 25966 38949 51932 64915 ...

correct output
IMPOSSIBLE

user output
(empty)

Test 14

Verdict:

input
5000 1000000000
65536 131072 196608 262144 327...

correct output
IMPOSSIBLE

user output
(empty)

Test 15

Verdict:

input
5000 642700000
6427 12854 19281 25708 32135 3...

correct output
IMPOSSIBLE

user output
(empty)

Test 16

Verdict: ACCEPTED

input
5000 919900246
663612758 9075403 585385629 98...

correct output
193 1698 4019

user output
76 2564 3319

Test 17

Verdict: ACCEPTED

input
5000 919900247
663612758 9075403 585385629 98...

correct output
4258 470 1911

user output
71 432 4858

Test 18

Verdict:

input
5000 6
6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 ...

correct output
4998 4999 5000

user output
(empty)

Test 19

Verdict:

input
5000 919900247
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
IMPOSSIBLE

user output
(empty)

Test 20

Verdict: ACCEPTED

input
4999 919900245
9075403 585385629 987230075 83...

correct output
2786 464 2265

user output
294 2480 2506

Test 21

Verdict:

input
5000 1000000000
261323261 25262018 237798562 3...

correct output
IMPOSSIBLE

user output
(empty)

Test 22

Verdict:

input
5000 76305003
1 5088 10175 15262 20349 25436...

correct output
IMPOSSIBLE

user output
(empty)

Test 23

Verdict: ACCEPTED

input
2 6
2 2

correct output
IMPOSSIBLE

user output
IMPOSSIBLE