CSES - Datatähti 2023 alku - Results
Submission details
Task:Ruudukko
Sender:eetumaenpaa
Submission time:2022-11-08 22:59:39 +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
#4ACCEPTED0.29 s2, 3details
#5--2, 3details
#6--2, 3details
#7--3details
#8--3details
#9--3details

Code

import random

# n = 50
# rows = []
# for i2 in range(n):
#     rows.append(random.sample(range(1, n*n+1), n*n))

# n = 3
# rows = [
#     [2,1,3], 
#     [1,1,1], 
#     [9,2,7]
# ]

n = int(input())
rows = []
for i in range(n):
    rows.append([int(x) for x in input().split(" ")])

# import time
# starttt = time.perf_counter()

unique_numbers = []
for i2 in range(n):
    for j1 in range(n):
        if(rows[i2][j1] not in unique_numbers):
            unique_numbers.append(rows[i2][j1])
            
unique_numbers = sorted(unique_numbers)

def get_coordinates_of(lambda_function):
    coords = []
    for i in range(n):
        for j in range(n):
            if lambda_function(rows[i][j]):
                coords.append((i, j))
    return coords

cache = {}

for num in unique_numbers:

    coords = get_coordinates_of(lambda x: x == num)
    for c in coords:
        lines = []
        for j1 in range(n):
            if rows[c[0]][j1] < num:
                lines.append((c[0], j1))
            if rows[j1][c[1]] < num:
                lines.append((j1, c[1]))

        cache[c] = sum([cache[x] for x in lines]) + 1

print(sum(cache.values()) % (10**9 + 7))

# print(1000 * (time.perf_counter() - starttt))

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)