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Datatähti 2016 alku

Start:2015-09-28 00:00:00
End:2015-10-12 00:00:00
 

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CSES - Datatähti 2016 alku - Results
History
2015-10-11 23:58:1047
2015-10-11 23:53:560
2015-10-11 23:44:4314
2015-10-11 01:05:300
2015-10-10 18:31:5714
2015-10-06 11:06:0347
2015-10-06 10:43:140
2015-10-06 10:33:130
2015-09-30 19:09:4214
2015-09-30 18:50:280
Task:Tontti
Sender:MusserO
Submission time:2015-10-11 23:58:10
Language:C++
Status:READY
Score:47

Feedback

groupverdictscore
#1ACCEPTED14
#2ACCEPTED33
#3TIME LIMIT EXCEEDED0

Test results

testverdicttime (s)group
#1ACCEPTED0.06 / 1.001details
#2ACCEPTED0.06 / 1.001details
#3ACCEPTED0.06 / 1.001details
#4ACCEPTED0.10 / 1.001details
#5ACCEPTED0.06 / 1.001details
#6ACCEPTED0.46 / 1.002details
#7ACCEPTED0.44 / 1.002details
#8ACCEPTED0.52 / 1.002details
#9ACCEPTED0.66 / 1.002details
#10ACCEPTED0.80 / 1.002details
#11TIME LIMIT EXCEEDED-- / 1.003details
#12TIME LIMIT EXCEEDED-- / 1.003details
#13TIME LIMIT EXCEEDED-- / 1.003details
#14TIME LIMIT EXCEEDED-- / 1.003details
#15TIME LIMIT EXCEEDED-- / 1.003details

Code

#include <iostream>
#include <vector>
using namespace std;

int main(int argc, char** argv) {
    int n, m, x;
    cin >> n >> m >> x;
    int r = 1;
    while (r*r < x) ++r;
    vector<string> w;
    vector<int> kv, tv, kkv, ttv;
    string s;
    int kk = 0;
    for (int i = 0; i < n; ++i){
        kkv.push_back(0);
        cin >> s;
        w.push_back(s);
        for(int j = 0; j < m; ++j){
            if (i == 0) ttv.push_back(0);
            if (s[j] == '*') {
                if (i < r) ttv.at(j) += 1;
                if (j < r-1) kkv.at(i) += 1;
                if (i < r-1 && j < r-1) ++kk;
            }
        }
    }
    int v = 0;
    for(; r <= (n < m ? n : m); ++r){
        int k = kk;
        tv = ttv;
        kv = kkv;
        for(int i = 0; i <= n-r; ++i){
            k += kv.at(i+r-1);
            if (i > 0) k -= kv.at(i-1);
            int t = k;
            for (int j = 0; j <= m-r; ++j){
                t += tv.at(j+r-1);
                if (j > 0) t -= tv.at(j-1);
                if (i == 0 && j == 0) kk = t;
                if (t == x) ++v;
            }
            if (i+r < n) {  
                for (int j = 0; j < m; ++j){
                    if (w.at(i)[j] == '*') tv.at(j) -= 1;
                    if (w.at(i+r)[j] == '*') tv.at(j) += 1;
                }
            }
        }
        if (r < n && r < m) {
            for(int i = 0; i < n; ++i){
                if (w.at(i)[r-1] == '*') kkv.at(i) += 1;
            }
            for (int j = 0; j < m; ++j){
                if (w.at(r)[j] == '*') ttv.at(j) += 1; 
            }   
        }
    }
    cout << v;
    return 0;
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
10 10 1
......*...
.......*..
*..*....*.
*....*....
..........
..........
..*.......
....*.....
..........
.........*
view   save

correct output
94
view   save

user output
94
view   save

Test 2

Group: 1

Verdict: ACCEPTED

input
10 10 5
**********
**********
**********
**********
**********
**********
**********
**********
**********
**********
view   save

correct output
0
view   save

user output
0
view   save

Test 3

Group: 1

Verdict: ACCEPTED

input
10 10 10
**...*...*
*..*.**.*.
...**.*..*
*...**.*..
***.*.*.*.
.*.*.*.**.
*..*.*....
.*.***...*
**.*......
..*...**.*
view   save

correct output
4
view   save

user output
4
view   save

Test 4

Group: 1

Verdict: ACCEPTED

input
10 10 5
****......
*.*.**..**
....*.*..*
...*.***..
.*..*.**..
.***.*....
*...*.*...
*.*....*.*
.*.***..*.
.*..*..**.
view   save

correct output
16
view   save

user output
16
view   save

Test 5

Group: 1

Verdict: ACCEPTED

input
10 10 2
**.***..*.
...*.*....
.***.*...*
***.***..*
..*.******
...*.....*
*.***.*.**
..***.**.*
*.*.******
*..*.*..**
view   save

correct output
30
view   save

user output
30
view   save

Test 6

Group: 2

Verdict: ACCEPTED

input
500 500 1
.................................
.................................
view   save

correct output
9552040
view   save

user output
9552040
view   save

Test 7

Group: 2

Verdict: ACCEPTED

input
500 500 5
.................................
.................................
view   save

correct output
1536063
view   save

user output
1536063
view   save

Test 8

Group: 2

Verdict: ACCEPTED

input
500 500 25000
**...*...**..*.*..*.**.*..*.*....
.**.*.**.**....*.*.***...........
view   save

correct output
288
view   save

user output
288
view   save

Test 9

Group: 2

Verdict: ACCEPTED

input
500 500 12500
**.**.*..*...*.**...*.***........
************.*....**..*.*.*.**...
view   save

correct output
786
view   save

user output
786
view   save

Test 10

Group: 2

Verdict: ACCEPTED

input
500 500 5000
.*.*.**..*.*.**.**..*..**...*....
**..*...*..**..***.*..*****......
view   save

correct output
1763
view   save

user output
1763
view   save

Test 11

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
2000 2000 1
.................................
view   save

correct output
489611392
view   save

user output
(no output)
view   save

Test 12

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
2000 2000 5
.................................
view   save

correct output
120725884
view   save

user output
(no output)
view   save

Test 13

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
2000 2000 400000
..*..**.**.**.*.***...**.*..**...
view   save

correct output
1849
view   save

user output
(no output)
view   save

Test 14

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
2000 2000 200000
***.*....*.*..*....**..*..*.*....
view   save

correct output
2665
view   save

user output
(no output)
view   save

Test 15

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
2000 2000 80000
**.**...*.***.**....**.*....*....
view   save

correct output
5587
view   save

user output
(no output)
view   save