CSES - Aalto Competitive Programming 2024 - wk9 - Mon - Results
Submission details
Task:Chess board tour
Sender:htoik
Submission time:2024-11-04 16:45:38 +0200
Language:C++ (C++20)
Status:READY
Result:
Test results
testverdicttime
#1ACCEPTED0.00 sdetails
#2ACCEPTED0.00 sdetails
#3ACCEPTED0.00 sdetails
#4ACCEPTED0.00 sdetails
#50.00 sdetails
#6ACCEPTED0.00 sdetails
#70.00 sdetails
#8ACCEPTED0.00 sdetails
#9ACCEPTED0.01 sdetails
#10ACCEPTED0.00 sdetails
#11ACCEPTED0.00 sdetails
#12ACCEPTED0.00 sdetails
#13ACCEPTED0.00 sdetails
#14ACCEPTED0.00 sdetails
#15ACCEPTED0.00 sdetails
#16ACCEPTED0.00 sdetails
#170.00 sdetails
#180.00 sdetails
#19ACCEPTED0.00 sdetails
#20ACCEPTED0.00 sdetails
#210.00 sdetails
#22ACCEPTED0.01 sdetails
#230.00 sdetails
#24ACCEPTED0.00 sdetails
#25ACCEPTED0.00 sdetails
#26ACCEPTED0.00 sdetails
#270.00 sdetails
#280.00 sdetails
#290.00 sdetails
#300.00 sdetails
#31ACCEPTED0.00 sdetails
#32ACCEPTED0.00 sdetails
#330.00 sdetails
#340.00 sdetails
#350.00 sdetails
#360.00 sdetails
#37ACCEPTED0.00 sdetails
#380.00 sdetails
#390.00 sdetails
#400.00 sdetails
#410.01 sdetails
#420.00 sdetails
#430.00 sdetails
#44ACCEPTED0.00 sdetails
#450.00 sdetails
#460.00 sdetails
#470.01 sdetails
#480.01 sdetails
#490.01 sdetails
#500.00 sdetails
#510.02 sdetails
#52ACCEPTED0.00 sdetails
#530.02 sdetails
#540.00 sdetails
#550.00 sdetails
#560.00 sdetails

Code

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

void rep(char c, int n){
    for(int i=0; i<n; i++){
        cout << c;
    }
}

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);

    int n,m;
    cin >> n >> m;

    int h = n;
    int w = m;

    if(n == 1 && m == 1){
        cout << "\n";
        return 0;
    }

    if(n%2 && m%2){
        cout << -1 << "\n";
        return 0;
    }
    
    if(w == 2){
        rep('D',h-1);
        rep('R',1);
        rep('U',h-1);
        rep('L',1);
    }
    else if(h == 2){
        rep('R',w-1);
        rep('D',1);
        rep('L',w-1);
        rep('U',1);
    }
    else if(w % 2 == 0){
        rep('R', w-1);
        for(int y=0; y<h/2-1; y++){
            rep('D', 1);
            rep('L', w-2);
            rep('R', w-2);
        }
        rep('D',1);
        rep('L',w-1);
        rep('U',h-1);
    }
    else{
        rep('D', h-1);
        for(int y=0; y<w/2-1; y++){
            rep('R', 1);
            rep('U', h-2);
            rep('D', h-2);
        }
        rep('R',1);
        rep('U',w-1);
        rep('L',w-1);
    }
    cout << "\n";
}

Test details

Test 1

Verdict: ACCEPTED

input
2 2

correct output
DRUL

user output
DRUL

Test 2

Verdict: ACCEPTED

input
2 2

correct output
DRUL

user output
DRUL

Test 3

Verdict: ACCEPTED

input
2 3

correct output
RRDLLU

user output
RRDLLU

Test 4

Verdict: ACCEPTED

input
2 2

correct output
DRUL

user output
DRUL

Test 5

Verdict:

input
4 4

correct output
DDDRUURDDRUUULLL

user output
RRRDLLRRDLLLUUU

Test 6

Verdict: ACCEPTED

input
3 3

correct output
-1

user output
-1

Test 7

Verdict:

input
4 4

correct output
DDDRUURDDRUUULLL

user output
RRRDLLRRDLLLUUU

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
DDRUUL

Test 10

Verdict: ACCEPTED

input
4 2

correct output
DDDRUUUL

user output
DDDRUUUL

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
DRUL

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
DRUL

Test 15

Verdict: ACCEPTED

input
5 2

correct output
DDDDRUUUUL

user output
DDDDRUUUUL

Test 16

Verdict: ACCEPTED

input
2 3

correct output
RRDLLU

user output
RRDLLU

Test 17

Verdict:

input
6 7

correct output
RRRRRRDLLLLLDRRRRRDLLLLLDRRRRR...

user output
DDDDDRUUUUDDDDRUUUUDDDDRUUUUUU...

Test 18

Verdict:

input
5 10

correct output
DDDDRUUURDDDRUUURDDDRUUURDDDRU...

user output
RRRRRRRRRDLLLLLLLLRRRRRRRRDLLL...

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
DDDDDRUUUUUL

Test 21

Verdict:

input
10 10

correct output
DDDDDDDDDRUUUUUUUURDDDDDDDDRUU...

user output
RRRRRRRRRDLLLLLLLLRRRRRRRRDLLL...
Truncated

Test 22

Verdict: ACCEPTED

input
3 2

correct output
DDRUUL

user output
DDRUUL

Test 23

Verdict:

input
10 10

correct output
DDDDDDDDDRUUUUUUUURDDDDDDDDRUU...

user output
RRRRRRRRRDLLLLLLLLRRRRRRRRDLLL...
Truncated

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
DDDDDDDDRUUUUUUUUL

Test 26

Verdict: ACCEPTED

input
2 5

correct output
RRRRDLLLLU

user output
RRRRDLLLLU

Test 27

Verdict:

input
56 60

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated

Test 28

Verdict:

input
43 100

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated

Test 29

Verdict:

input
45 20

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRDLLLLLLLLLL...
Truncated

Test 30

Verdict:

input
56 9

correct output
RRRRRRRRDLLLLLLLDRRRRRRRDLLLLL...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

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:

input
90 95

correct output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 34

Verdict:

input
9 24

correct output
DDDDDDDDRUUUUUUURDDDDDDDRUUUUU...

user output
RRRRRRRRRRRRRRRRRRRRRRRDLLLLLL...
Truncated

Test 35

Verdict:

input
88 3

correct output
RRDLDRDLDRDLDRDLDRDLDRDLDRDLDR...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 36

Verdict:

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:

input
84 200

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated

Test 39

Verdict:

input
88 38

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated

Test 40

Verdict:

input
111 16

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRDLLLLLLLLLLLLLL...
Truncated

Test 41

Verdict:

input
194 181

correct output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 42

Verdict:

input
46 12

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRDLLLLLLLLLLRRRRRRRR...
Truncated

Test 43

Verdict:

input
179 190

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated

Test 44

Verdict: ACCEPTED

input
17 47

correct output
-1

user output
-1

Test 45

Verdict:

input
175 4

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRDLLRRDLLRRDLLRRDLLRRDLLRRDL...
Truncated

Test 46

Verdict:

input
4 74

correct output
DDDRUURDDRUURDDRUURDDRUURDDRUU...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated

Test 47

Verdict:

input
550 594

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated

Test 48

Verdict:

input
418 998

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated

Test 49

Verdict:

input
437 186

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated

Test 50

Verdict:

input
552 72

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated

Test 51

Verdict:

input
968 901

correct output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 52

Verdict: ACCEPTED

input
223 57

correct output
-1

user output
-1

Test 53

Verdict:

input
893 948

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated

Test 54

Verdict:

input
78 229

correct output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 55

Verdict:

input
874 13

correct output
RRRRRRRRRRRRDLLLLLLLLLLLDRRRRR...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 56

Verdict:

input
12 366

correct output
DDDDDDDDDDDRUUUUUUUUUURDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated