CSES - DatatÃ¤hti 2016 alku - Results
 Task: Tontti Sender: ollpu Submission time: 2015-10-01 21:15:33 Language: Python2 Status: READY Result: 14
Feedback
groupverdictscore
#1ACCEPTED14
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.06 s1details
#2ACCEPTED0.05 s1details
#3ACCEPTED0.05 s1details
#4ACCEPTED0.05 s1details
#5ACCEPTED0.05 s1details
#6--2details
#7--2details
#8--2details
#9--2details
#10--2details
#11--3details
#12--3details
#13--3details
#14--3details
#15--3details

### Code

```#!/usr/bin/env python
# -*- coding: utf-8 -*-

from sys import stdin

def readline():
return stdin.readline().strip()

def get_vars():
global n, m, x
row1 = readline().split(' ')
n = int(row1[0]) # Korkeus
m = int(row1[1]) # Leveys
x = int(row1[2]) # Tavoite
get_vars()

def isqrt(n):
x = n
y = (x + 1) // 2
while y < x:
x = y
y = (x + n // x) // 2
return x

def is_star(char):
return char == '*'

def run():
metsa = []
for i in range(n):
metsa.append(map(is_star, readline()))

vaihtoehtoja = 0

sqrt_x = isqrt(x) - 1

for x1 in xrange(n-sqrt_x):
next_x_bars = []
for y1 in xrange(m):
bar_height = y1+1
bar = 0
for x2 in xrange(x1, min(x1+bar_height, n)):
if metsa[x2][y1]:
bar += 1
next_x_bars.append(bar)

next_y_bars = [0] * n
for x2 in xrange(n-x1):
bar_width = x2
x2 = x1+x2
bar = 0
for y2 in xrange(min(bar_width, m)):
if metsa[x2][y2]:
bar += 1
next_y_bars[x2] = bar

for y1 in xrange(m-sqrt_x):
val = 0
for w in xrange(1, min(n-x1+1, m-y1+1)):
t_x2 = x1+w-1
t_y2 = y1+w-1

val += next_x_bars[t_y2]
val += next_y_bars[t_x2]

if val == x:
vaihtoehtoja += 1
# Prepare for next
if w != 1:
# For next_x_bars ->
if metsa[t_x2][t_y2]:
next_x_bars[t_y2] -= 1
# For next_y_bars -->
next_y_bars[t_x2] += 1
if metsa[t_x2][y1]:
next_y_bars[t_x2] -= 1

print(vaihtoehtoja)
run()
```

### Test details

#### Test 1

Group: 1

Verdict: ACCEPTED

input
10 10 1
......*...
.......*..
*..*....*.
*....*....
...

correct output
94

user output
94

#### Test 2

Group: 1

Verdict: ACCEPTED

input
10 10 5
**********
**********
**********
**********
...

correct output
0

user output
0

#### Test 3

Group: 1

Verdict: ACCEPTED

input
10 10 10
**...*...*
*..*.**.*.
...**.*..*
*...**.*..
...

correct output
4

user output
4

#### Test 4

Group: 1

Verdict: ACCEPTED

input
10 10 5
****......
*.*.**..**
....*.*..*
...*.***..
...

correct output
16

user output
16

#### Test 5

Group: 1

Verdict: ACCEPTED

input
10 10 2
**.***..*.
...*.*....
.***.*...*
***.***..*
...

correct output
30

user output
30

#### Test 6

Group: 2

Verdict:

input
500 500 1
.................................

correct output
9552040

user output
(empty)

#### Test 7

Group: 2

Verdict:

input
500 500 5
.................................

correct output
1536063

user output
(empty)

#### Test 8

Group: 2

Verdict:

input
500 500 25000
**...*...**..*.*..*.**.*..*.*....

correct output
288

user output
(empty)

#### Test 9

Group: 2

Verdict:

input
500 500 12500
**.**.*..*...*.**...*.***........

correct output
786

user output
(empty)

#### Test 10

Group: 2

Verdict:

input
500 500 5000
.*.*.**..*.*.**.**..*..**...*....

correct output
1763

user output
(empty)

#### Test 11

Group: 3

Verdict:

input
2000 2000 1
.................................

correct output
489611392

user output
(empty)

#### Test 12

Group: 3

Verdict:

input
2000 2000 5
.................................

correct output
120725884

user output
(empty)

#### Test 13

Group: 3

Verdict:

input
2000 2000 400000
..*..**.**.**.*.***...**.*..**...

correct output
1849

user output
(empty)

#### Test 14

Group: 3

Verdict:

input
2000 2000 200000
***.*....*.*..*....**..*..*.*....

correct output
2665

user output
(empty)

#### Test 15

Group: 3

Verdict:

input
2000 2000 80000
**.**...*.***.**....**.*....*....

correct output
5587

user output
(empty)