CSES - Datatähti 2023 alku - Results
Submission details
Task:Ruudukko
Sender:erhuht
Submission time:2022-11-07 09:04:54 +0200
Language:Python3 (CPython3)
Status:READY
Result:28
Feedback
groupverdictscore
#1ACCEPTED28
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.02 s1, 2, 3details
#2ACCEPTED0.02 s1, 2, 3details
#3ACCEPTED0.02 s1, 2, 3details
#4ACCEPTED0.20 s2, 3details
#5--2, 3details
#6--2, 3details
#7--3details
#8--3details
#9--3details

Code

class Array:
def __init__(self, l):
self.l = l
def index(self, x=None, y=None):
if x == None and y == None:
return None
elif x != None and y != None:
return self.l[y][x]
elif x == None:
return self.l[y]
elif y == None:
return [sub[x] for sub in self.l]
n = int(input())
m = Array([list(map(int, input().split())) for _ in range(n)])
def r(m, slice, x, y, axis_x):
current = m.index(x, y)
new = 0
for i in range(len(slice)):
if slice[i] < current:
new += 1
if axis_x:
new += r(m, m.index(x=i), i, y, False)
new += r(m, m.index(y=y), i, y, True)
else:
new += r(m, m.index(x=x), x, i, False)
new += r(m, m.index(y=i), x, i, True)
return new
count = 0
for y in range(n):
for x in range(n):
count += 1
count += r(m, m.index(x=x), x, y, False)
count += r(m, m.index(y=y), x, y, True)
print(count % (10**9+7))

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
3
1 1 1
1 1 1
1 1 1

correct output
9

user output
9

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
3
1 2 3
6 5 4
7 8 9

correct output
135

user output
135

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
3
7 8 1
4 5 4
3 9 6

correct output
57

user output
57

Test 4

Group: 2, 3

Verdict: ACCEPTED

input
100
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
10000

user output
10000

Test 5

Group: 2, 3

Verdict:

input
100
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

correct output
187458477

user output
(empty)

Test 6

Group: 2, 3

Verdict:

input
100
2995 8734 1018 2513 7971 5063 ...

correct output
964692694

user output
(empty)

Test 7

Group: 3

Verdict:

input
1000
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
1000000

user output
(empty)

Test 8

Group: 3

Verdict:

input
1000
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

correct output
229147081

user output
(empty)

Test 9

Group: 3

Verdict:

input
1000
520283 805991 492643 75254 527...

correct output
951147313

user output
(empty)