CSES - HIIT Open 2018 - Results
Submission details
Task:Grid
Sender:Sloths
Submission time:2018-05-26 14:55:29
Language:Python3
Status:READY
Result:
Test results
testverdicttime
#1ACCEPTED0.06 sdetails
#2ACCEPTED0.06 sdetails
#3ACCEPTED0.04 sdetails
#4ACCEPTED0.03 sdetails
#5ACCEPTED0.05 sdetails
#6ACCEPTED0.05 sdetails
#7ACCEPTED0.04 sdetails
#8ACCEPTED0.04 sdetails
#9ACCEPTED0.04 sdetails
#10ACCEPTED0.04 sdetails
#11ACCEPTED0.04 sdetails
#12ACCEPTED0.06 sdetails
#13ACCEPTED0.04 sdetails
#14ACCEPTED0.05 sdetails
#15ACCEPTED0.04 sdetails
#16ACCEPTED0.04 sdetails
#17ACCEPTED0.10 sdetails
#18ACCEPTED0.80 sdetails
#19--details
#20--details
#21--details
#22ACCEPTED0.13 sdetails

Code

n = int(input())
grid = []
for i in range(n):
    row = input()
    grid.append(row)
    
def countColors(grid, n):
    color = 0
    #Columns:
    for column_number in range(n):
        if grid[0][column_number] == '1':
            for row in grid:
                if row[column_number] == '0':
                    if grid[0] != '1'*n:
                        return -1
                    break
            else:
                color += 1

    if color == n:
        return color
    #Rows:
    for row in grid:
        if row == '1'*n:
            color += 1
        else:
            for i in range(n):
                if row[i] == '1':
                    for j in range(n):
                        if grid[j][i] == '0':
                            return -1

    if color == 0:
        for row in grid:
            if row != '0'*n:
                return -1
    return color

print(countColors(grid, n))

Test details

Test 1

Verdict: ACCEPTED

input
1
0

correct output
0

user output
0

Test 2

Verdict: ACCEPTED

input
1
1

correct output
1

user output
1

Test 3

Verdict: ACCEPTED

input
2
00
00

correct output
0

user output
0

Test 4

Verdict: ACCEPTED

input
2
10
00

correct output
-1

user output
-1

Test 5

Verdict: ACCEPTED

input
2
11
00

correct output
1

user output
1

Test 6

Verdict: ACCEPTED

input
2
11
01

correct output
2

user output
2

Test 7

Verdict: ACCEPTED

input
2
11
11

correct output
2

user output
2

Test 8

Verdict: ACCEPTED

input
3
000
000
000

correct output
0

user output
0

Test 9

Verdict: ACCEPTED

input
3
100
100
100

correct output
1

user output
1

Test 10

Verdict: ACCEPTED

input
3
101
101
101

correct output
2

user output
2

Test 11

Verdict: ACCEPTED

input
3
111
101
101

correct output
3

user output
3

Test 12

Verdict: ACCEPTED

input
3
111
000
000

correct output
1

user output
1

Test 13

Verdict: ACCEPTED

input
3
111
000
111

correct output
2

user output
2

Test 14

Verdict: ACCEPTED

input
3
111
100
111

correct output
3

user output
3

Test 15

Verdict: ACCEPTED

input
3
111
101
111

correct output
4

user output
4

Test 16

Verdict: ACCEPTED

input
3
111
111
111

correct output
3

user output
3

Test 17

Verdict: ACCEPTED

input
1000
000000000000000000000000000000...

correct output
0

user output
0

Test 18

Verdict: ACCEPTED

input
1000
000000000000000000000000000000...

correct output
10

user output
10

Test 19

Verdict:

input
1000
100000000000000000100000000000...

correct output
41

user output
(empty)

Test 20

Verdict:

input
1000
000000100000000001000000010000...

correct output
192

user output
(empty)

Test 21

Verdict:

input
1000
111111111111111111111111111111...

correct output
999

user output
(empty)

Test 22

Verdict: ACCEPTED

input
1000
111111111111111111111111111111...

correct output
1000

user output
1000