Submission details
Task:Tontti
Sender:Metabolix
Submission time:2015-09-28 20:15:01 +0300
Language:C++
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED14
#2ACCEPTED33
#3ACCEPTED53
Test results
testverdicttimegroup
#1ACCEPTED0.06 s1details
#2ACCEPTED0.06 s1details
#3ACCEPTED0.05 s1details
#4ACCEPTED0.05 s1details
#5ACCEPTED0.04 s1details
#6ACCEPTED0.06 s2details
#7ACCEPTED0.07 s2details
#8ACCEPTED0.06 s2details
#9ACCEPTED0.07 s2details
#10ACCEPTED0.06 s2details
#11ACCEPTED0.53 s3details
#12ACCEPTED0.53 s3details
#13ACCEPTED0.41 s3details
#14ACCEPTED0.41 s3details
#15ACCEPTED0.41 s3details

Code

#include <iostream>
#include <algorithm>
#include <string>

int t[2001][2001];

struct myiter: std::iterator<std::forward_iterator_tag, int> {
	int x, y, w;
	myiter(int x, int y, int w): x(x), y(y), w(w) {
	}
	int operator* () {
		return t[x][y] + t[x-w][y-w] - t[x-w][y] - t[x][y-w];
	}
	bool operator != (myiter const& b) const {
		return w != b.w;
	}
	myiter const& operator ++() {
		++w;
		return *this;
	}
};

int main() {
	int n, m, x;
	long r = 0;
	std::cin >> n >> m >> x;
	for (int i = 1; i <= n; ++i) {
		std::string s;
		std::cin >> s;
		for (int j = 1; j <= m; ++j) {
			t[i][j] = t[i-1][j] + t[i][j-1] - t[i-1][j-1] + (s[j-1] == '*' ? 1 : 0);
			myiter i_begin(i, j, 1), i_end(i, j, std::min(i, j) + 1);
			std::pair<myiter, myiter> range = std::equal_range(i_begin, i_end, x);
			r += range.second.w - range.first.w;
		}
	}
	std::cout << r << std::endl;
}

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: ACCEPTED

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

correct output
9552040

user output
9552040

Test 7

Group: 2

Verdict: ACCEPTED

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

correct output
1536063

user output
1536063

Test 8

Group: 2

Verdict: ACCEPTED

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

correct output
288

user output
288

Test 9

Group: 2

Verdict: ACCEPTED

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

correct output
786

user output
786

Test 10

Group: 2

Verdict: ACCEPTED

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

correct output
1763

user output
1763

Test 11

Group: 3

Verdict: ACCEPTED

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

correct output
489611392

user output
489611392

Test 12

Group: 3

Verdict: ACCEPTED

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

correct output
120725884

user output
120725884

Test 13

Group: 3

Verdict: ACCEPTED

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

correct output
1849

user output
1849

Test 14

Group: 3

Verdict: ACCEPTED

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

correct output
2665

user output
2665

Test 15

Group: 3

Verdict: ACCEPTED

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

correct output
5587

user output
5587