CSES - DatatÃ¤hti 2016 alku - Results
 Task: Tontti Sender: ollpu Submission time: 2015-10-02 21:05:35 Language: Python2 Status: READY Result: 14
Feedback
groupverdictscore
#1ACCEPTED14
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.06 s1details
#2ACCEPTED0.06 s1details
#3ACCEPTED0.04 s1details
#4ACCEPTED0.05 s1details
#5ACCEPTED0.06 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 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 xrange(n):

vaihtoehtoja = 0

sqrt_x = isqrt(x) - 1

first_w = max(1, sqrt_x)
min_dim = min(n, m)

block_w = 0
for row in metsa[:first_w]:
block_w += row[:first_w].count(True)
block = block_w
for w in xrange(first_w, min_dim):
wi = w - 1
block_x = block

# Generate bars
bars = []
for y2 in xrange(m):
bar = 0
for x2 in xrange(w):
if metsa[x2][y2]:
bar += 1
bars.append(bar)

for x1 in xrange(n-wi):
for y1 in xrange(m-wi):
if block == x:
vaihtoehtoja += 1

if not y1 == m-wi-1:
block += bars[y1+w]
block -= bars[y1]

if not x1 == n-wi-1:
diff = 0
for y2 in xrange(w):
if metsa[x1+w][y2]:
diff += 1

if metsa[x1][y2]:
diff -= 1
block_x += diff
block = block_x

# Recalculate bars
for y2 in xrange(m):
diff = 0
if metsa[x1][y2]:
diff -= 1
if metsa[x1+w][y2]:
diff += 1
bars[y2] += diff
if not w == min_dim-1:
for w2 in xrange(w+1):
# Calc x-bar
if metsa[w2][w]:
block_w += 1
# Calc y-bar
if w2 < w:
if metsa[w][w2]:
block_w += 1
block = block_w
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)