CSES - Datatähti 2026 alku

Submission details
Task:	Hypyt
Sender:	viiviP
Submission time:	2026-04-14 18:58:12 +0300
Language:	C++ (C++17)
Status:	READY
Result:	100

Feedback
subtask	verdict	score
#1	ACCEPTED	10
#2	ACCEPTED	20
#3	ACCEPTED	15
#4	ACCEPTED	15
#5	ACCEPTED	40

Test results
test	verdict	time	subtask
#1	ACCEPTED	0.00 s	1, 2, 3, 4, 5	details
#2	ACCEPTED	0.00 s	1, 2, 3, 4, 5	details
#3	ACCEPTED	0.00 s	1, 2, 3, 4, 5	details
#4	ACCEPTED	0.00 s	1, 2, 3, 4, 5	details
#5	ACCEPTED	0.00 s	1, 2, 3, 4, 5	details
#6	ACCEPTED	0.07 s	2, 5	details
#7	ACCEPTED	0.05 s	2, 5	details
#8	ACCEPTED	0.03 s	2, 5	details
#9	ACCEPTED	0.10 s	3, 4, 5	details
#10	ACCEPTED	0.10 s	3, 4, 5	details
#11	ACCEPTED	0.10 s	3, 4, 5	details
#12	ACCEPTED	0.11 s	4, 5	details
#13	ACCEPTED	0.10 s	4, 5	details
#14	ACCEPTED	0.09 s	4, 5	details
#15	ACCEPTED	0.17 s	5	details
#16	ACCEPTED	0.15 s	5	details
#17	ACCEPTED	0.13 s	5	details
#18	ACCEPTED	0.12 s	5	details
#19	ACCEPTED	0.11 s	5	details
#20	ACCEPTED	0.11 s	5	details
#21	ACCEPTED	0.10 s	5	details
#22	ACCEPTED	0.00 s	1, 2, 3, 4, 5	details
#23	ACCEPTED	0.00 s	1, 2, 3, 4, 5	details
#24	ACCEPTED	0.07 s	5	details
#25	ACCEPTED	0.07 s	5	details
#26	ACCEPTED	0.18 s	5	details
#27	ACCEPTED	0.08 s	5	details

Code

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n, m,q;
    cin >>n>>m>>q;

    int N = n+m;
    vector<vector<int>> v(N);
    for (int i = 0; i<n;i++) {
        string s;
        cin >>s;
        for (int j = 0; j<m;j++) {
            if (s[j] == '.') {
                v[i].push_back(n+j);
                v[n+j].push_back(i);
            }
        }
    }
    vector<vector<ll>> dist(N, vector<ll> (N, 1e9));
    for (int i = 0; i<N;i++) {
        queue<int> q;
        //vector<int> z(N);
        q.push(i);
        dist[i][i] = 0;
        while (!q.empty()) {
            int s = q.front();
            q.pop();
            for (auto u : v[s]) {
                if (dist[i][u] > dist[i][s]+1) {
                    q.push(u);
                    dist[i][u] =dist[i][s] + 1;
                }
            }
        }   
    }
    for (int i = 0; i<q;i++) {
        int x1, y1, x2, y2;
        cin >>x1>>y1>>x2>>y2;
        if (x1 == x2 && y1 == y2) {
            cout <<"0\n";
            continue;
        } else if (x1==x2||y1==y2) {
            cout <<"1\n";
            continue;
        } else {
            ll ans = 1e9;
            vector<int> s = {x1-1, y1+n-1};
            vector<int> e = {x2-1, y2+n-1};
            for (auto b : s) {
                for (auto r : e) {
                    ans = min(ans, dist[b][r]+1);
                }
            }
            if (ans < 1e9) {
                cout <<ans<<"\n";
            } else {
                cout <<"-1\n";
            }
        }
    }
}

Test details

Test 1 (public)

Subtask: 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

Subtask: 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

Subtask: 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

Subtask: 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

Subtask: 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

Subtask: 2, 5

Verdict: ACCEPTED

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

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

user output
`2 3 3 2 2 ...` view save

Test 7

Subtask: 2, 5

Verdict: ACCEPTED

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

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

user output
`2 2 2 2 3 ...` view save

Test 8

Subtask: 2, 5

Verdict: ACCEPTED

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

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

user output
`2 3 3 3 3 ...` view save

Test 9

Subtask: 3, 4, 5

Verdict: ACCEPTED

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

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

user output
`2 2 2 2 2 ...` view save

Test 10

Subtask: 3, 4, 5

Verdict: ACCEPTED

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

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

user output
`2 1 3 2 2 ...` view save

Test 11

Subtask: 3, 4, 5

Verdict: ACCEPTED

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

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

user output
`3 3 3 3 3 ...` view save

Test 12

Subtask: 4, 5

Verdict: ACCEPTED

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

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

user output
`2 2 2 2 2 ...` view save

Test 13

Subtask: 4, 5

Verdict: ACCEPTED

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

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

user output
`3 2 2 3 2 ...` view save

Test 14

Subtask: 4, 5

Verdict: ACCEPTED

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

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

user output
`2 3 1 2 2 ...` view save

Test 15

Subtask: 5

Verdict: ACCEPTED

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

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

user output
`3 2 2 2 2 ...` view save

Test 16

Subtask: 5

Verdict: ACCEPTED

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

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

user output
`2 2 2 2 2 ...` view save

Test 17

Subtask: 5

Verdict: ACCEPTED

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

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

user output
`3 3 2 2 2 ...` view save

Test 18

Subtask: 5

Verdict: ACCEPTED

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

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

user output
`3 3 3 3 3 ...` view save

Test 19

Subtask: 5

Verdict: ACCEPTED

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

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

user output
`104 422 145 93 65 ...` view save

Test 20

Subtask: 5

Verdict: ACCEPTED

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

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

user output
`57 155 38 65 98 ...` view save

Test 21

Subtask: 5

Verdict: ACCEPTED

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

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

user output
`498 498 498 498 498 ...` view save

Test 22

Subtask: 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

Subtask: 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

Subtask: 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

Subtask: 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

Subtask: 5

Verdict: ACCEPTED

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

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

user output
`2 2 2 2 2 ...` view save

Test 27

Subtask: 5

Verdict: ACCEPTED

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

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

user output
`0 0 0 0 0 ...` view save

Datatähti 2026 alku

Hypyt

Code

Test details

Test 1 (public)

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Test 25

Test 26

Test 27

Tasks

Submissions (viiviP)