CSES - Aalto Competitive Programming 2024 - wk9 - Mon - Results
Submission details
Task:Chess board tour
Sender:Rasse
Submission time:2024-11-04 16:29:33 +0200
Language:C++ (C++11)
Status:READY
Result:ACCEPTED
Test results
testverdicttime
#1ACCEPTED0.00 sdetails
#2ACCEPTED0.00 sdetails
#3ACCEPTED0.00 sdetails
#4ACCEPTED0.00 sdetails
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Code

#include <iostream>
#include <vector>
#include <array>
#include <string>
#include <algorithm>
#include <numeric>
#include <unordered_map>
#include <unordered_set>
#include <set>
#include <queue>
#include <climits>
#include <cmath>
#include <functional>
#include <type_traits>
#include <bitset>
#include <fstream>
 
#define int long long
using namespace std;
 
void solve() {
    int n, m;
    cin >> n>> m;
 
    if (n % 2 == 1 && m % 2 == 1)
    {
        cout << -1;
        return;
    }
    if (m % 2 == 0)
    {
        swap(n, m);
        for (int i = 1; i < n; i++)
            cout << 'R';
        
        cout << 'D';

        string one = "";
        for (int i = 2; i < m; i++)
            one += 'D';
        one += 'L';
        for (int i = 2; i < m; i++)
            one += 'U';
        
        for (int i = 0; i < n/2; i++)
        {
            cout << one;
            if (i != n/2-1)
                cout << 'L';
            else
                cout << 'U';
        }
    }
    else
    {
        for (int i = 1; i < n; i++)
            cout << 'D';
        
        cout << 'R';

        string one = "";
        for (int i = 2; i < m; i++)
            one += 'R';
        one += 'U';
        for (int i = 2; i < m; i++)
            one += 'L';
        
        for (int i = 0; i < n/2; i++)
        {
            cout << one;
            if (i != n/2-1)
                cout << 'U';
            else
                cout << 'L';
        }

    }
    

    
}
 
signed main() {
    cin.tie(0);
    ios_base::sync_with_stdio(false);
    int t = 1;
    //ifstream f("testcase.txt");
    //cin.rdbuf(f.rdbuf());
    //cin >> t;
    while (t--) { solve(); }
}

Test details

Test 1

Verdict: ACCEPTED

input
2 2

correct output
DRUL

user output
RDLU

Test 2

Verdict: ACCEPTED

input
2 2

correct output
DRUL

user output
RDLU

Test 3

Verdict: ACCEPTED

input
2 3

correct output
RRDLLU

user output
DRRULL

Test 4

Verdict: ACCEPTED

input
2 2

correct output
DRUL

user output
RDLU

Test 5

Verdict: ACCEPTED

input
4 4

correct output
DDDRUURDDRUUULLL

user output
RRRDDDLUULDDLUUU

Test 6

Verdict: ACCEPTED

input
3 3

correct output
-1

user output
-1

Test 7

Verdict: ACCEPTED

input
4 4

correct output
DDDRUURDDRUUULLL

user output
RRRDDDLUULDDLUUU

Test 8

Verdict: ACCEPTED

input
3 5

correct output
-1

user output
-1

Test 9

Verdict: ACCEPTED

input
3 2

correct output
DDRUUL

user output
RDDLUU

Test 10

Verdict: ACCEPTED

input
4 2

correct output
DDDRUUUL

user output
RDDDLUUU

Test 11

Verdict: ACCEPTED

input
5 5

correct output
-1

user output
-1

Test 12

Verdict: ACCEPTED

input
2 2

correct output
DRUL

user output
RDLU

Test 13

Verdict: ACCEPTED

input
5 5

correct output
-1

user output
-1

Test 14

Verdict: ACCEPTED

input
2 2

correct output
DRUL

user output
RDLU

Test 15

Verdict: ACCEPTED

input
5 2

correct output
DDDDRUUUUL

user output
RDDDDLUUUU

Test 16

Verdict: ACCEPTED

input
2 3

correct output
RRDLLU

user output
DRRULL

Test 17

Verdict: ACCEPTED

input
6 7

correct output
RRRRRRDLLLLLDRRRRRDLLLLLDRRRRR...

user output
DDDDDRRRRRRULLLLLURRRRRULLLLLU...

Test 18

Verdict: ACCEPTED

input
5 10

correct output
DDDDRUUURDDDRUUURDDDRUUURDDDRU...

user output
RRRRRRRRRDDDDLUUULDDDLUUULDDDL...

Test 19

Verdict: ACCEPTED

input
5 3

correct output
-1

user output
-1

Test 20

Verdict: ACCEPTED

input
6 2

correct output
DDDDDRUUUUUL

user output
RDDDDDLUUUUU

Test 21

Verdict: ACCEPTED

input
10 10

correct output
DDDDDDDDDRUUUUUUUURDDDDDDDDRUU...

user output
RRRRRRRRRDDDDDDDDDLUUUUUUUULDD...

Test 22

Verdict: ACCEPTED

input
3 2

correct output
DDRUUL

user output
RDDLUU

Test 23

Verdict: ACCEPTED

input
10 10

correct output
DDDDDDDDDRUUUUUUUURDDDDDDDDRUU...

user output
RRRRRRRRRDDDDDDDDDLUUUUUUUULDD...

Test 24

Verdict: ACCEPTED

input
2 4

correct output
DRRRULLL

user output
RRRDLLLU

Test 25

Verdict: ACCEPTED

input
9 2

correct output
DDDDDDDDRUUUUUUUUL

user output
RDDDDDDDDLUUUUUUUU

Test 26

Verdict: ACCEPTED

input
2 5

correct output
RRRRDLLLLU

user output
DRRRRULLLL

Test 27

Verdict: ACCEPTED

input
56 60

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

Test 28

Verdict: ACCEPTED

input
43 100

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

Test 29

Verdict: ACCEPTED

input
45 20

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRDDDDDDDDDDD...

Test 30

Verdict: ACCEPTED

input
56 9

correct output
RRRRRRRRDLLLLLLLDRRRRRRRDLLLLL...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

Test 31

Verdict: ACCEPTED

input
97 91

correct output
-1

user output
-1

Test 32

Verdict: ACCEPTED

input
23 7

correct output
-1

user output
-1

Test 33

Verdict: ACCEPTED

input
90 95

correct output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

Test 34

Verdict: ACCEPTED

input
9 24

correct output
DDDDDDDDRUUUUUUURDDDDDDDRUUUUU...

user output
RRRRRRRRRRRRRRRRRRRRRRRDDDDDDD...

Test 35

Verdict: ACCEPTED

input
88 3

correct output
RRDLDRDLDRDLDRDLDRDLDRDLDRDLDR...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

Test 36

Verdict: ACCEPTED

input
3 38

correct output
DDRURDRURDRURDRURDRURDRURDRURD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

Test 37

Verdict: ACCEPTED

input
111 119

correct output
-1

user output
-1

Test 38

Verdict: ACCEPTED

input
84 200

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

Test 39

Verdict: ACCEPTED

input
88 38

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

Test 40

Verdict: ACCEPTED

input
111 16

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRDDDDDDDDDDDDDDD...

Test 41

Verdict: ACCEPTED

input
194 181

correct output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

Test 42

Verdict: ACCEPTED

input
46 12

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRDDDDDDDDDDDDDDDDDDD...

Test 43

Verdict: ACCEPTED

input
179 190

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

Test 44

Verdict: ACCEPTED

input
17 47

correct output
-1

user output
-1

Test 45

Verdict: ACCEPTED

input
175 4

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRDDDDDDDDDDDDDDDDDDDDDDDDDDD...

Test 46

Verdict: ACCEPTED

input
4 74

correct output
DDDRUURDDRUURDDRUURDDRUURDDRUU...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

Test 47

Verdict: ACCEPTED

input
550 594

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

Test 48

Verdict: ACCEPTED

input
418 998

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

Test 49

Verdict: ACCEPTED

input
437 186

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

Test 50

Verdict: ACCEPTED

input
552 72

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

Test 51

Verdict: ACCEPTED

input
968 901

correct output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

Test 52

Verdict: ACCEPTED

input
223 57

correct output
-1

user output
-1

Test 53

Verdict: ACCEPTED

input
893 948

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

Test 54

Verdict: ACCEPTED

input
78 229

correct output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

Test 55

Verdict: ACCEPTED

input
874 13

correct output
RRRRRRRRRRRRDLLLLLLLLLLLDRRRRR...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

Test 56

Verdict: ACCEPTED

input
12 366

correct output
DDDDDDDDDDDRUUUUUUUUUURDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...