| Task: | Lista |
| Sender: | JiK |
| Submission time: | 2020-09-05 02:38:36 +0300 |
| Language: | Python3 (PyPy3) |
| Status: | READY |
| Result: | 100 |
| group | verdict | score |
|---|---|---|
| #1 | ACCEPTED | 21 |
| #2 | ACCEPTED | 38 |
| #3 | ACCEPTED | 41 |
| test | verdict | time | group | |
|---|---|---|---|---|
| #1 | ACCEPTED | 0.12 s | 1, 2, 3 | details |
| #2 | ACCEPTED | 0.12 s | 1, 2, 3 | details |
| #3 | ACCEPTED | 0.12 s | 1, 2, 3 | details |
| #4 | ACCEPTED | 0.12 s | 1, 2, 3 | details |
| #5 | ACCEPTED | 0.12 s | 1, 2, 3 | details |
| #6 | ACCEPTED | 0.12 s | 1, 2, 3 | details |
| #7 | ACCEPTED | 0.12 s | 1, 2, 3 | details |
| #8 | ACCEPTED | 0.12 s | 1, 2, 3 | details |
| #9 | ACCEPTED | 0.12 s | 1, 2, 3 | details |
| #10 | ACCEPTED | 0.13 s | 2, 3 | details |
| #11 | ACCEPTED | 0.13 s | 2, 3 | details |
| #12 | ACCEPTED | 0.13 s | 2, 3 | details |
| #13 | ACCEPTED | 0.13 s | 2, 3 | details |
| #14 | ACCEPTED | 0.13 s | 2, 3 | details |
| #15 | ACCEPTED | 0.13 s | 2, 3 | details |
| #16 | ACCEPTED | 0.15 s | 3 | details |
| #17 | ACCEPTED | 0.16 s | 3 | details |
| #18 | ACCEPTED | 0.18 s | 3 | details |
| #19 | ACCEPTED | 0.23 s | 3 | details |
| #20 | ACCEPTED | 0.18 s | 3 | details |
| #21 | ACCEPTED | 0.20 s | 3 | details |
Code
import sys
import random
#n = int(sys.argv[1])
n = int(sys.stdin.read())
ISPRIME = [False, False] + [True]*(2*n)
for p in range(2,2*n):
if not ISPRIME[p]:
continue
for x in range(p*p, 2*n, p):
ISPRIME[x] = False
def pen(x):
return sum(not ISPRIME[x[i] + x[i+1]] for i in range(len(x)-1))
x = list(range(1,n+1))
while True:
j = 0
splitpoints = [0]
for i in range(n-1):
if not ISPRIME[x[i] + x[i+1]]:
splitpoints.append(i+1)
splitpoints.append(n)
if len(splitpoints)==2:
break
splitpoints.append(random.randint(0,n))
splitpoints = sorted(splitpoints)
splits = [x[splitpoints[i]:splitpoints[i+1]] for i in range(len(splitpoints)-1)]
random.shuffle(splits)
#print (splits)
x = [i for sublist in splits for i in sublist]
while pen(x) > 0:
#print (x, pen(x))
random.shuffle(x)
#print ('"%s",' % (" ".join(map(str, x))))
print (" ".join(map(str, x)))
Test details
Test 1
Group: 1, 2, 3
Verdict: ACCEPTED
| input |
|---|
| 2 |
| correct output |
|---|
| 1 2 |
| user output |
|---|
| 1 2 |
Test 2
Group: 1, 2, 3
Verdict: ACCEPTED
| input |
|---|
| 3 |
| correct output |
|---|
| 1 2 3 |
| user output |
|---|
| 1 2 3 |
Test 3
Group: 1, 2, 3
Verdict: ACCEPTED
| input |
|---|
| 4 |
| correct output |
|---|
| 1 2 3 4 |
| user output |
|---|
| 1 2 3 4 |
Test 4
Group: 1, 2, 3
Verdict: ACCEPTED
| input |
|---|
| 5 |
| correct output |
|---|
| 3 4 1 2 5 |
| user output |
|---|
| 3 4 1 2 5 |
Test 5
Group: 1, 2, 3
Verdict: ACCEPTED
| input |
|---|
| 6 |
| correct output |
|---|
| 3 4 1 2 5 6 |
| user output |
|---|
| 5 6 1 2 3 4 |
Test 6
Group: 1, 2, 3
Verdict: ACCEPTED
| input |
|---|
| 7 |
| correct output |
|---|
| 3 4 1 2 5 6 7 |
| user output |
|---|
| 7 6 5 2 3 4 1 |
Test 7
Group: 1, 2, 3
Verdict: ACCEPTED
| input |
|---|
| 8 |
| correct output |
|---|
| 7 6 5 2 1 4 3 8 |
| user output |
|---|
| 3 8 5 6 7 4 1 2 |
Test 8
Group: 1, 2, 3
Verdict: ACCEPTED
| input |
|---|
| 9 |
| correct output |
|---|
| 7 6 5 2 1 4 3 8 9 |
| user output |
|---|
| 7 6 1 2 3 4 9 8 5 |
Test 9
Group: 1, 2, 3
Verdict: ACCEPTED
| input |
|---|
| 10 |
| correct output |
|---|
| 7 6 5 2 1 4 3 8 9 10 |
| user output |
|---|
| 1 2 3 4 7 6 5 8 9 10 |
Test 10
Group: 2, 3
Verdict: ACCEPTED
| input |
|---|
| 19 |
| correct output |
|---|
| 17 14 3 8 15 16 13 6 5 2 1 4 9... |
| user output |
|---|
| 15 2 17 12 11 8 5 18 19 4 7 16... |
Test 11
Group: 2, 3
Verdict: ACCEPTED
| input |
|---|
| 56 |
| correct output |
|---|
| 55 54 53 50 51 52 49 48 13 28 ... |
| user output |
|---|
| 50 51 52 45 26 27 56 53 14 15 ... Truncated |
Test 12
Group: 2, 3
Verdict: ACCEPTED
| input |
|---|
| 70 |
| correct output |
|---|
| 67 4 1 2 9 32 35 38 65 66 61 4... |
| user output |
|---|
| 21 22 39 40 43 30 13 46 63 64 ... Truncated |
Test 13
Group: 2, 3
Verdict: ACCEPTED
| input |
|---|
| 76 |
| correct output |
|---|
| 73 66 61 42 59 54 53 50 51 52 ... |
| user output |
|---|
| 67 64 15 16 13 18 71 38 5 6 7 ... Truncated |
Test 14
Group: 2, 3
Verdict: ACCEPTED
| input |
|---|
| 90 |
| correct output |
|---|
| 87 86 11 18 29 44 45 16 55 58 ... |
| user output |
|---|
| 72 77 60 53 54 83 84 65 14 75 ... Truncated |
Test 15
Group: 2, 3
Verdict: ACCEPTED
| input |
|---|
| 100 |
| correct output |
|---|
| 97 96 95 78 25 82 81 56 71 68 ... |
| user output |
|---|
| 47 50 77 26 27 86 87 16 91 88 ... Truncated |
Test 16
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 154 |
| correct output |
|---|
| 151 6 5 92 137 134 149 84 143 ... |
| user output |
|---|
| 52 145 118 133 16 151 130 127 ... Truncated |
Test 17
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 430 |
| correct output |
|---|
| 427 426 371 372 367 376 375 35... |
| user output |
|---|
| 79 340 313 300 301 270 197 110... Truncated |
Test 18
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 629 |
| correct output |
|---|
| 627 404 227 146 83 150 77 74 3... |
| user output |
|---|
| 375 376 123 208 31 306 185 8 7... Truncated |
Test 19
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 833 |
| correct output |
|---|
| 829 828 793 574 523 516 515 51... |
| user output |
|---|
| 211 268 795 376 45 394 403 240... Truncated |
Test 20
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 885 |
| correct output |
|---|
| 883 724 723 878 881 726 721 71... |
| user output |
|---|
| 369 370 681 428 429 430 379 14... Truncated |
Test 21
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 1000 |
| correct output |
|---|
| 997 996 737 884 995 492 991 20... |
| user output |
|---|
| 641 642 571 226 975 956 131 75... Truncated |