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Datatähti 2026 alku

Hypyt

  • Start: 2025-10-27 00:00:00
  • End: 2025-11-10 00:00:00
Submission details
Task:Hypyt
Sender:alli
Submission time:2025-10-28 17:35:17 +0200
Language:C++ (C++20)
Status:READY
Result:10
Feedback
groupverdictscore
#1ACCEPTED10
#20
#30
#40
#50
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3, 4, 5details
#2ACCEPTED0.01 s1, 2, 3, 4, 5details
#3ACCEPTED0.00 s1, 2, 3, 4, 5details
#4ACCEPTED0.00 s1, 2, 3, 4, 5details
#5ACCEPTED0.00 s1, 2, 3, 4, 5details
#60.13 s2, 5details
#70.18 s2, 5details
#80.12 s2, 5details
#90.01 s3, 4, 5details
#100.01 s3, 4, 5details
#110.01 s3, 4, 5details
#120.02 s4, 5details
#130.02 s4, 5details
#140.02 s4, 5details
#150.12 s5details
#160.18 s5details
#170.12 s5details
#180.08 s5details
#190.10 s5details
#200.10 s5details
#210.11 s5details
#22ACCEPTED0.00 s1, 2, 3, 4, 5details
#23ACCEPTED0.00 s1, 2, 3, 4, 5details
#24ACCEPTED0.47 s5details
#25ACCEPTED0.47 s5details
#260.06 s5details
#270.34 s5details

Code

#include <bits/stdc++.h>
#define M 10000000
typedef long long ll;
using namespace std;
int n, m, q, u;
int d[1777][1777];
int z[70707];
vector<int> s;
vector<int> v[255];
vector<string> input;

int pos0(int x, int y) {
    return x*m+y+1;
}

int pos1(int x, int y) {
    return (x-1)*m+y;
}

int main() {
    //ios_base::sync_with_stdio(false);
    //cin.tie(nullptr);
    //freopen(R"(C:\Users\Kymppi\Downloads\test_input.txt)", "r", stdin);

    cin >> n >> m >> q;

    for (int i = 0; i < n; i++) {
        string s; cin >> s;
        input.push_back(s);
    }

    for (int i = 0; i < n; i++) {
        for (int k = 0; k < m; k++) {
            bool ikm = input[i][k] == '*';
            int pos1 = pos0(i, k);
            if (!ikm) s.push_back(pos1);
            for (int j = 0; j < n; j++) {
                for (int l = 0; l < m; l++) {
                    int pos2 = pos0(j, l);
                    if (pos1 == pos2) continue;
                    bool jlm = input[j][l] == '*';
                    if (ikm) z[pos1] = 1;
                    if (jlm) z[pos2] = 1;
                    if (ikm || jlm || (i != j && k != l)) {
                        d[pos1][pos2] = M;
                    }
                    else{
                        v[pos1].push_back(pos2);
                        d[pos1][pos2] = 1;
                    }
                }
            }
        }
    }

    int u = 0;

    //cout << "s.size(): " << s.size() << endl;

    for (int k : s) {
        for (int i : s) {
            for (int j : s) {
                d[i][j] = min(d[i][j], d[i][k]+d[k][j]);
                u++;
            }
        }
    }

    //cout << "amount of loops: " << u << endl;

    for (int i = 1; i <= q; i++) {
        int a1, b1, a2, b2;
        cin >> a1 >> b1 >> a2 >> b2;
        int dist = d[pos1(a1,b1)][pos1(a2,b2)];
        if (dist == M) cout << "-1\n";
        else cout << dist << "\n";
    }

    /*for (ll i = 1; i <= n*m; i++) {
        for (int j = 1; j <= n*m; j++) {
            if (d[i][j] == M) cout << "X ";
            else cout << d[i][j] << " ";
        } cout << "\n";
    }

    cout << "\n";
    cout << d[pos1(1,1)][pos1(1,3)] << "\n";
    cout << d[pos1(2,2)][pos1(2,2)] << "\n";
    cout << d[pos1(1,1)][pos1(4,5)] << "\n";
    cout << d[pos1(4,5)][pos1(2,4)] << "\n";
    cout << d[pos1(3,6)][pos1(2,2)] << "\n";*/
}

Test details

Test 1 (public)

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
4 6 5
.*.***
*...**
*****.
*..*.*
...
view save

correct output
1
0
3
3
-1
view save

user output
1
0
3
3
-1
view save

Test 2

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

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

correct output
1
2
1
2
2
...
view save

user output
1
2
1
2
2
...
view save

Test 3

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

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

correct output
1
2
2
1
2
...
view save

user output
1
2
2
1
2
...
view save

Test 4

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

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

correct output
3
4
2
3
4
...
view save

user output
3
4
2
3
4
...
view save

Test 5

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

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

correct output
7
view save

user output
7
view save

Test 6

Group: 2, 5

Verdict:

input
250 250 250
.*...*.....*******..**...*.......
view save

correct output
2
3
3
2
2
...
view save

user output
(empty)

Error:
terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc

Test 7

Group: 2, 5

Verdict:

input
250 250 250
...*......**.**.*.*..**..*..**...
view save

correct output
2
2
2
2
3
...
view save

user output
(empty)

Error:
terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc

Test 8

Group: 2, 5

Verdict:

input
250 250 250
**..**..****.****.*.***.***..*...
view save

correct output
2
3
3
3
3
...
view save

user output
(empty)

Error:
terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc

Test 9

Group: 3, 4, 5

Verdict:

input
40 40 200000
...*.**.*..*.............*.*.....
view save

correct output
2
2
2
2
2
...
view save

user output
(empty)

Error:
terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc

Test 10

Group: 3, 4, 5

Verdict:

input
40 40 200000
**.**..*.*.*.******....****.*....
view save

correct output
2
1
3
2
2
...
view save

user output
(empty)

Error:
terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc

Test 11

Group: 3, 4, 5

Verdict:

input
40 40 200000
.*.*.**.*****.***.*.****.**.**...
view save

correct output
3
3
3
3
3
...
view save

user output
(empty)

Test 12

Group: 4, 5

Verdict:

input
80 80 200000
*....**.***..****...*.....*......
view save

correct output
2
2
2
2
2
...
view save

user output
(empty)

Error:
terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc

Test 13

Group: 4, 5

Verdict:

input
80 80 200000
.***.*..*.***..*****....**...*...
view save

correct output
3
2
2
3
2
...
view save

user output
(empty)

Error:
terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc

Test 14

Group: 4, 5

Verdict:

input
80 80 200000
*******.*****.*..*..****...***...
view save

correct output
2
3
1
2
2
...
view save

user output
(empty)

Test 15

Group: 5

Verdict:

input
250 250 200000
*....*..*..*..**..*.........**...
view save

correct output
3
2
2
2
2
...
view save

user output
(empty)

Error:
terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc

Test 16

Group: 5

Verdict:

input
250 250 200000
..*....*..*......*.**.*.*..***...
view save

correct output
2
2
2
2
2
...
view save

user output
(empty)

Error:
terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc

Test 17

Group: 5

Verdict:

input
250 250 200000
*..*.*****.*********.****.****...
view save

correct output
3
3
2
2
2
...
view save

user output
(empty)

Error:
terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc

Test 18

Group: 5

Verdict:

input
250 250 200000
*********.**********.******.**...
view save

correct output
3
3
3
3
3
...
view save

user output
(empty)

Test 19

Group: 5

Verdict:

input
250 250 200000
.*****************************...
view save

correct output
104
422
145
93
65
...
view save

user output
(empty)

Test 20

Group: 5

Verdict:

input
250 250 200000
..****************************...
view save

correct output
57
155
38
65
98
...
view save

user output
(empty)

Test 21

Group: 5

Verdict:

input
250 250 200000
.*****************************...
view save

correct output
498
498
498
498
498
...
view save

user output
(empty)

Test 22

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
10 1 10
*
*
.
*
...
view save

correct output
0
1
1
0
0
...
view save

user output
0
1
1
0
0
...
view save

Test 23

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
1 10 10
........*.
1 7 1 10
1 4 1 7
1 5 1 1
...
view save

correct output
1
1
1
1
1
...
view save

user output
1
1
1
1
1
...
view save

Test 24

Group: 5

Verdict: ACCEPTED

input
250 1 200000
*
.
*
.
...
view save

correct output
1
1
1
1
1
...
view save

user output
1
1
1
1
1
...
view save

Test 25

Group: 5

Verdict: ACCEPTED

input
1 250 200000
*.*.*...*.*.**.***..**.*.*..**...
view save

correct output
1
1
1
1
1
...
view save

user output
1
1
1
1
1
...
view save

Test 26

Group: 5

Verdict:

input
250 250 200000
.................................
view save

correct output
2
2
2
2
2
...
view save

user output
(empty)

Error:
terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc

Test 27

Group: 5

Verdict:

input
250 250 200000
******************************...
view save

correct output
0
0
0
0
0
...
view save

user output
(empty)

Tasks

A Palindromi-B Monikulmio-C Tulkki-D Maalaus-E Hypyt-F Lukujono-

Submissions (alli)

2025-10-28 21:20:23 1002025-10-28 21:14:53 1002025-10-28 21:10:06 02025-10-28 20:09:37 02025-10-28 18:37:08 02025-10-28 18:32:58 02025-10-28 17:35:58 102025-10-28 17:35:17 102025-10-28 17:12:33 02025-10-28 17:10:30 102025-10-28 17:09:29 10