| Task: | Frontier |
| Sender: | ¯\_(._.)_/¯ |
| Submission time: | 2025-11-08 16:54:04 +0200 |
| Language: | Python3 (PyPy3) |
| Status: | READY |
| Result: | WRONG ANSWER |
| 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 | 0.05 s | details |
| #8 | ACCEPTED | 0.04 s | details |
| #9 | ACCEPTED | 0.04 s | details |
| #10 | ACCEPTED | 0.04 s | details |
| #11 | WRONG ANSWER | 0.04 s | details |
| #12 | ACCEPTED | 0.04 s | details |
| #13 | ACCEPTED | 0.04 s | details |
| #14 | WRONG ANSWER | 0.04 s | details |
| #15 | WRONG ANSWER | 0.04 s | details |
| #16 | WRONG ANSWER | 0.04 s | details |
| #17 | ACCEPTED | 0.07 s | details |
| #18 | ACCEPTED | 0.05 s | details |
| #19 | ACCEPTED | 0.05 s | details |
Code
n, s = map(int, input().split())
ss = set()
sss = set()
x = list(map(int, input().split()))
f = False
for i in range(1, n):
if (x[i-1], x[i]) in ss:
if (x[i-1], x[i]) in sss:
print('NO')
f = True
break
else:
sss.add((x[i-1], x[i]))
else:
ss.add((x[i-1], x[i]))
if not f:
print("YES")Test details
Test 1
Verdict: ACCEPTED
| input |
|---|
| 8 3 0 1 3 1 3 2 3 0 |
| correct output |
|---|
| YES |
| user output |
|---|
| YES |
Test 2
Verdict: ACCEPTED
| input |
|---|
| 3 1 0 1 0 |
| correct output |
|---|
| YES |
| user output |
|---|
| YES |
Test 3
Verdict: ACCEPTED
| input |
|---|
| 10 10 0 2 3 2 8 4 7 6 7 0 |
| correct output |
|---|
| YES |
| user output |
|---|
| YES |
Test 4
Verdict: ACCEPTED
| input |
|---|
| 18 100 0 95 64 79 64 68 64 88 58 88 8... |
| correct output |
|---|
| YES |
| user output |
|---|
| YES |
Test 5
Verdict: ACCEPTED
| input |
|---|
| 105 1000 0 110 123 192 371 192 94 192 3... |
| correct output |
|---|
| YES |
| user output |
|---|
| YES |
Test 6
Verdict: ACCEPTED
| input |
|---|
| 76 1000 0 615 320 101 56 683 391 350 3... |
| correct output |
|---|
| YES |
| user output |
|---|
| YES |
Test 7
Verdict: ACCEPTED
| input |
|---|
| 112 2000 0 116 1100 256 324 256 876 256... |
| correct output |
|---|
| YES |
| user output |
|---|
| YES |
Test 8
Verdict: ACCEPTED
| input |
|---|
| 115 2000 0 388 1955 1661 1417 1580 1053... |
| correct output |
|---|
| YES |
| user output |
|---|
| YES |
Test 9
Verdict: ACCEPTED
| input |
|---|
| 92 2000 0 309 838 1212 553 863 553 141... |
| correct output |
|---|
| YES |
| user output |
|---|
| YES |
Test 10
Verdict: ACCEPTED
| input |
|---|
| 18 10 0 3 4 10 9 4 2 8 6 8 2 7 2 9 1... |
| correct output |
|---|
| YES |
| user output |
|---|
| YES |
Test 11
Verdict: WRONG ANSWER
| input |
|---|
| 53 100 0 1 3 82 100 25 27 85 61 53 61... |
| correct output |
|---|
| NO |
| user output |
|---|
| YES |
Feedback: Incorrect character on line 1 col 1: expected "NO", got "YES"
Test 12
Verdict: ACCEPTED
| input |
|---|
| 94 1000 0 675 229 663 771 140 314 140 ... |
| correct output |
|---|
| YES |
| user output |
|---|
| YES |
Test 13
Verdict: ACCEPTED
| input |
|---|
| 110 1000 0 493 827 157 538 946 1 736 31... |
| correct output |
|---|
| YES |
| user output |
|---|
| YES |
Test 14
Verdict: WRONG ANSWER
| input |
|---|
| 96 1000 0 206 843 543 401 819 800 444 ... |
| correct output |
|---|
| NO |
| user output |
|---|
| YES |
Feedback: Incorrect character on line 1 col 1: expected "NO", got "YES"
Test 15
Verdict: WRONG ANSWER
| input |
|---|
| 198 2000 0 1661 1800 19 1666 879 1021 9... |
| correct output |
|---|
| NO |
| user output |
|---|
| YES |
Feedback: Incorrect character on line 1 col 1: expected "NO", got "YES"
Test 16
Verdict: WRONG ANSWER
| input |
|---|
| 538 2000 0 1138 1562 1509 1339 735 1993... |
| correct output |
|---|
| NO |
| user output |
|---|
| YES |
Feedback: Incorrect character on line 1 col 1: expected "NO", got "YES"
Test 17
Verdict: ACCEPTED
| input |
|---|
| 98999 2000 0 1798 1467 884 1426 1191 601 ... |
| correct output |
|---|
| NO |
| user output |
|---|
| NO |
Test 18
Verdict: ACCEPTED
| input |
|---|
| 3373 2000 0 121 0 1094 0 58 0 306 0 1273... |
| correct output |
|---|
| YES |
| user output |
|---|
| YES |
Test 19
Verdict: ACCEPTED
| input |
|---|
| 3370 2000 0 1602 0 455 0 710 0 1514 0 84... |
| correct output |
|---|
| YES |
| user output |
|---|
| YES |