CSES - Datatähti 2023 alku - Results
Submission details
Task:Ruudukko
Sender:hoodarm
Submission time:2022-11-08 17:26:37 +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
#4--2, 3details
#5--2, 3details
#6--2, 3details
#7--3details
#8--3details
#9--3details

Code

# Python 3 program to count all paths
# from a source to a destination.

# A directed graph using adjacency
# list representation

class Graph:

	def __init__(self, V):
		self.V = V
		self.adj = [[] for i in range(V)]

	def addEdge(self, u, v):

		# Add v to u’s list.
		self.adj[u].append(v)

	# Returns count of paths from 's' to 'd'
	def countPaths(self, s, d):

		# Mark all the vertices
		# as not visited
		visited = [False] * self.V

		# Call the recursive helper
		# function to print all paths
		pathCount = [0]
		self.countPathsUtil(s, d, visited, pathCount)
		return pathCount[0]

	# A recursive function to print all paths
	# from 'u' to 'd'. visited[] keeps track
	# of vertices in current path. path[]
	# stores actual vertices and path_index
	# is current index in path[]
	def countPathsUtil(self, u, d,
					visited, pathCount):
		visited[u] = True

		# If current vertex is same as
		# destination, then increment count
		if (u == d):
			pathCount[0] += 1

		# If current vertex is not destination
		else:

			# Recur for all the vertices
			# adjacent to current vertex
			i = 0
			while i < len(self.adj[u]):
				if (not visited[self.adj[u][i]]):
					self.countPathsUtil(self.adj[u][i], d,
										visited, pathCount)
				i += 1

		visited[u] = False

noOfVertices = int(input())

counter = 1
index = 0
Grid={}
while (counter<=noOfVertices):
    rowNo = counter
    numbers = list(map(int, input().split()))
    coloumnNo = 1
    for coloumnNo in range(1,noOfVertices+1):
        Grid[index] = [numbers[coloumnNo-1],(rowNo,coloumnNo)]
        index=index+1
    counter=counter+1

g = Graph(noOfVertices*noOfVertices)

for index,value in Grid.items():
    for index2,otherValue in Grid.items():
        if ((value[1][0]==otherValue[1][0] or value[1][1]==otherValue[1][1]) and otherValue[0]<value[0]):
            g.addEdge(index,index2)

noOfPaths = 0
	
for coordinate,value in Grid.items():
    for otherCoordinate,otherValue in Grid.items():
        noOfPaths = noOfPaths + g.countPaths(coordinate,otherCoordinate)

print (noOfPaths%(1000000007))

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:

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

correct output
10000

user output
(empty)

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)