Task: | Lähetit |
Sender: | |
Submission time: | 2015-07-18 18:55:38 +0300 |
Language: | Python3 |
Status: | READY |
Result: | 12 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 12 |
#2 | TIME LIMIT EXCEEDED | 0 |
#3 | TIME LIMIT EXCEEDED | 0 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.13 s | 1 | details |
#2 | ACCEPTED | 0.12 s | 1 | details |
#3 | ACCEPTED | 0.12 s | 1 | details |
#4 | ACCEPTED | 0.12 s | 1 | details |
#5 | ACCEPTED | 0.12 s | 1 | details |
#6 | ACCEPTED | 0.55 s | 2 | details |
#7 | TIME LIMIT EXCEEDED | -- | 2 | details |
#8 | TIME LIMIT EXCEEDED | -- | 2 | details |
#9 | TIME LIMIT EXCEEDED | -- | 2 | details |
#10 | ACCEPTED | 0.13 s | 2 | details |
#11 | TIME LIMIT EXCEEDED | -- | 3 | details |
#12 | RUNTIME ERROR | 1.42 s | 3 | details |
#13 | TIME LIMIT EXCEEDED | -- | 3 | details |
#14 | TIME LIMIT EXCEEDED | -- | 3 | details |
#15 | ACCEPTED | 0.12 s | 3 | details |
Code
#!/usr/bin/env python3# ajatellaan viistorivejä suorina, jolloin saadaan rivit:# x# xxx# xxxxx# jne.# jokaiselle näin saadulle vaakariville voidaan sijoittaa max. yksi lähettifrom functools import wrapsn, k = map(int, input().split())riveja_yhteensa = 2 * n - 1def valimuisti(f):muisti = {}def ymparoiva_funktio(*arg):avain = argtry:tulos = muisti[avain]except KeyError:tulos = f(*arg)muisti[avain] = tulosreturn tulosreturn ymparoiva_funktiodef sarakkeet(rivi):# sarakkeet ovat symmetrisetkeskimmainen_sarake = npoikkeama = n - abs(n - rivi) - 1for s in range(keskimmainen_sarake - poikkeama, keskimmainen_sarake + poikkeama + 1, 2):yield ssarakkeet_per_rivi = [[]] + [list(sarakkeet(r)) for r in range(1, riveja_yhteensa + 1)]uhatut_sarakkeet = set()@valimuistidef mahdollisuuksia(lahetteja_jaljella, ekarivi, kaytetyt_sarakkeet):if lahetteja_jaljella == 0:return 1mahd = 0for rivi in range(ekarivi, riveja_yhteensa + 1):if riveja_yhteensa - rivi + 1 < lahetteja_jaljella:breakfor s in sarakkeet_per_rivi[rivi]:if s not in uhatut_sarakkeet:uhatut_sarakkeet.add(s)mahd += mahdollisuuksia(lahetteja_jaljella - 1, rivi + 1, tuple(sorted(uhatut_sarakkeet)))uhatut_sarakkeet.remove(s)return mahdprint(mahdollisuuksia(k, 1, tuple()))
Test details
Test 1
Group: 1
Verdict: ACCEPTED
input |
---|
5 2 |
correct output |
---|
240 |
user output |
---|
240 |
Test 2
Group: 1
Verdict: ACCEPTED
input |
---|
5 4 |
correct output |
---|
2728 |
user output |
---|
2728 |
Test 3
Group: 1
Verdict: ACCEPTED
input |
---|
5 6 |
correct output |
---|
1960 |
user output |
---|
1960 |
Test 4
Group: 1
Verdict: ACCEPTED
input |
---|
5 8 |
correct output |
---|
32 |
user output |
---|
32 |
Test 5
Group: 1
Verdict: ACCEPTED
input |
---|
5 10 |
correct output |
---|
0 |
user output |
---|
0 |
Test 6
Group: 2
Verdict: ACCEPTED
input |
---|
10 4 |
correct output |
---|
1809464 |
user output |
---|
1809464 |
Test 7
Group: 2
Verdict: TIME LIMIT EXCEEDED
input |
---|
10 8 |
correct output |
---|
209594075 |
user output |
---|
(empty) |
Test 8
Group: 2
Verdict: TIME LIMIT EXCEEDED
input |
---|
10 12 |
correct output |
---|
811277399 |
user output |
---|
(empty) |
Test 9
Group: 2
Verdict: TIME LIMIT EXCEEDED
input |
---|
10 16 |
correct output |
---|
17275136 |
user output |
---|
(empty) |
Test 10
Group: 2
Verdict: ACCEPTED
input |
---|
10 20 |
correct output |
---|
0 |
user output |
---|
0 |
Test 11
Group: 3
Verdict: TIME LIMIT EXCEEDED
input |
---|
100 40 |
correct output |
---|
126883191 |
user output |
---|
(empty) |
Test 12
Group: 3
Verdict: RUNTIME ERROR
input |
---|
100 80 |
correct output |
---|
785497039 |
user output |
---|
(empty) |
Test 13
Group: 3
Verdict: TIME LIMIT EXCEEDED
input |
---|
100 120 |
correct output |
---|
324216296 |
user output |
---|
(empty) |
Test 14
Group: 3
Verdict: TIME LIMIT EXCEEDED
input |
---|
100 160 |
correct output |
---|
895190039 |
user output |
---|
(empty) |
Test 15
Group: 3
Verdict: ACCEPTED
input |
---|
100 200 |
correct output |
---|
0 |
user output |
---|
0 |