CSES - Datatähti 2016 alku - Results
Submission details
Task:Tontti
Sender:Kuha
Submission time:2015-09-28 16:03:26
Language:C++
Status:READY
Result:14
Feedback
groupverdictscore
#1ACCEPTED14
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.05 s1details
#2ACCEPTED0.07 s1details
#3ACCEPTED0.06 s1details
#4ACCEPTED0.06 s1details
#5ACCEPTED0.05 s1details
#6ACCEPTED0.16 s2details
#7ACCEPTED0.12 s2details
#80.19 s2details
#90.16 s2details
#100.13 s2details
#11--3details
#12--3details
#13--3details
#14--3details
#15--3details

Code

#include <iostream>
#include <algorithm>
#include <queue>
#include <stack>
#include <string>
#define INF 999999999
#define ll long long
using namespace std;

int n, m, t;
char c[2000][2000];
short v[2000][2000][2];

inline short sum (const int x, const int y) {
    return v[y][x][1];
}

int main()
{
    cin>>n>>m>>t;

    for (int y = 0; y < n; y++) {
        for (int x = 0; x < m; x++) {
            cin>>c[y][x];
            v[y][x][0] = 0;
            if (x > 0) v[y][x][0] = v[y][x - 1][0];
            if (c[y][x] == '*') v[y][x][0]++;
            v[y][x][1] = v[y][x][0];
            if (y > 0) v[y][x][1] += v[y - 1][x][1];
        }
    }
    int ans = 0;
    for (int y = 0; y < n; y++) {
        for (int x = 0; x < m; x++) {
            int i = 0;
            while (x + i < m && y + i < n) {
                int w = sum(x + i, y + i);
                if (x > 0 && y > 0) w += sum(x - 1, y - 1);
                if (x > 0) w -= sum(x - 1, y + i);
                if (y > 0) w -= sum(x + i, y - 1);
                if (w == t) ans++;
                else if (w > t) break;
                i++;
            }
        }
    }

    cout<<ans<<endl;

    return 0;
}

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:

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

correct output
288

user output
107

Test 9

Group: 2

Verdict:

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

correct output
786

user output
281

Test 10

Group: 2

Verdict:

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

correct output
1763

user output
1252

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)