CSES - Datatähti 2023 alku - Results
Submission details
Task:Ruudukko
Sender:progamer
Submission time:2022-11-03 14:31:40 +0200
Language:CPython3
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.02 s1, 2, 3details
#20.02 s1, 2, 3details
#30.02 s1, 2, 3details
#40.24 s2, 3details
#5--2, 3details
#6--2, 3details
#7--3details
#8--3details
#9--3details

Code

n = int(input())
g = [list(map(int, input().split())) for _ in range(n)]

minmap = [[[]*n for _ in range(n)] for _ in range(n)]
nums = [[0 for _ in range(n)] for _ in range(n)]

def generateminmap(x, y):
    global g, n, minmap

    for j in range(n):
        if g[x][j] < g[x][y] and x+j != x+y:
            minmap[x][y].append([x, j])

    for i in range(n):
        if g[i][y] < g[x][y] and i+y != x+y:
            minmap[x][y].append([i, y])
    
for i in range(n):
    for j in range(n):
        generateminmap(i, j)

def explorenode(cur, node, depth):
    global minmap, nums

    for i in node:
        if node != []:
            nums[cur[0]][cur[1]] += 1
            depth = explorenode(cur, minmap[i[0]][i[1]], depth)
ans = 0
for i in range(n):
    for j in range(n):
        explorenode([i,j], minmap[i][j], 0)
        ans += nums[i][j]


j = pow(10, 9)+7
ans += n*n
print(j)
ans = ans%j
print(ans)

"""
grid:
3
2 1 3
1 1 1
9 2 7

smallest numbers in rows+columns:
2 0 3
0 0 0
4 2 3

"""

Test details

Test 1

Group: 1, 2, 3

Verdict:

input
3
1 1 1
1 1 1
1 1 1

correct output
9

user output
1000000007
9

Test 2

Group: 1, 2, 3

Verdict:

input
3
1 2 3
6 5 4
7 8 9

correct output
135

user output
1000000007
135

Test 3

Group: 1, 2, 3

Verdict:

input
3
7 8 1
4 5 4
3 9 6

correct output
57

user output
1000000007
57

Test 4

Group: 2, 3

Verdict:

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

correct output
10000

user output
1000000007
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)