CSES - Datatähti 2023 alku - Results
Submission details
Task:Ruudukko
Sender:Sup
Submission time:2025-06-30 14:19:39 +0300
Language:Python3 (PyPy3)
Status:READY
Result:61
Feedback
groupverdictscore
#1ACCEPTED28
#2ACCEPTED33
#30
Test results
testverdicttimegroup
#1ACCEPTED0.04 s1, 2, 3details
#2ACCEPTED0.04 s1, 2, 3details
#3ACCEPTED0.04 s1, 2, 3details
#4ACCEPTED0.05 s2, 3details
#5ACCEPTED0.11 s2, 3details
#6ACCEPTED0.14 s2, 3details
#7ACCEPTED0.16 s3details
#8--3details
#9--3details

Code

def solve(nums):
n = len(nums)
m = len(nums[0])
calculated = [[-1] * m for _ in range(n)]
def inner(idx, idx1):
if idx < 0 or idx1 < 0:
return 0
elif idx >= n or idx1 >= m:
return 0
elif nums[idx][idx1] == 1:
calculated[idx][idx1] = 0
return 0
else:
total = 0
for i in range(n):
if nums[i][idx1] < nums[idx][idx1]:
up = inner(i, idx1) + 1 if calculated[i][idx1] == -1 else calculated[i][idx1] + 1
total += up
total %= 1000000007
for j in range(m):
if nums[idx][j] < nums[idx][idx1]:
up = inner(idx, j) + 1 if calculated[idx][j] == -1 else calculated[idx][j] + 1
total += up
total %= 1000000007
calculated[idx][idx1] = total
return total
total = 0
for i in range(n):
for j in range(m):
total += inner(i, j) if calculated[i][j] == -1 else calculated[i][j]
total %= 1000000007
return total + n * m
n = int(input())
nums = [[-1] * n for _ in range(n)]
for i in range(n):
nums[i] = [int(aValue) for aValue in input().split()]
print(solve(nums))

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: ACCEPTED

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

correct output
187458477

user output
187458477

Test 6

Group: 2, 3

Verdict: ACCEPTED

input
100
2995 8734 1018 2513 7971 5063 ...

correct output
964692694

user output
964692694

Test 7

Group: 3

Verdict: ACCEPTED

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

correct output
1000000

user output
1000000

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)