CSES - Aalto Competitive Programming 2024 - wk9 - Mon - Results
Submission details
Task:Chess board tour
Sender:hungdojan
Submission time:2024-11-04 16:35:50 +0200
Language:C++ (C++17)
Status:READY
Result:
Test results
testverdicttime
#1ACCEPTED0.00 sdetails
#2ACCEPTED0.00 sdetails
#3ACCEPTED0.00 sdetails
#4ACCEPTED0.00 sdetails
#5ACCEPTED0.00 sdetails
#6ACCEPTED0.00 sdetails
#7ACCEPTED0.00 sdetails
#8ACCEPTED0.00 sdetails
#90.00 sdetails
#10ACCEPTED0.00 sdetails
#11ACCEPTED0.00 sdetails
#12ACCEPTED0.00 sdetails
#13ACCEPTED0.00 sdetails
#14ACCEPTED0.00 sdetails
#150.00 sdetails
#16ACCEPTED0.00 sdetails
#17ACCEPTED0.00 sdetails
#180.00 sdetails
#19ACCEPTED0.00 sdetails
#20ACCEPTED0.00 sdetails
#21ACCEPTED0.00 sdetails
#220.00 sdetails
#23ACCEPTED0.00 sdetails
#24ACCEPTED0.00 sdetails
#250.00 sdetails
#26ACCEPTED0.00 sdetails
#27ACCEPTED0.00 sdetails
#280.00 sdetails
#290.00 sdetails
#30ACCEPTED0.00 sdetails
#31ACCEPTED0.00 sdetails
#32ACCEPTED0.00 sdetails
#33ACCEPTED0.00 sdetails
#340.00 sdetails
#35ACCEPTED0.00 sdetails
#360.00 sdetails
#37ACCEPTED0.00 sdetails
#38ACCEPTED0.00 sdetails
#39ACCEPTED0.00 sdetails
#400.00 sdetails
#41ACCEPTED0.00 sdetails
#42ACCEPTED0.00 sdetails
#430.00 sdetails
#44ACCEPTED0.00 sdetails
#450.00 sdetails
#46ACCEPTED0.00 sdetails
#47ACCEPTED0.01 sdetails
#48ACCEPTED0.01 sdetails
#490.01 sdetails
#50ACCEPTED0.01 sdetails
#51ACCEPTED0.03 sdetails
#52ACCEPTED0.00 sdetails
#530.02 sdetails
#54ACCEPTED0.00 sdetails
#55ACCEPTED0.00 sdetails
#56ACCEPTED0.00 sdetails

Code

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

#define I_2D(row, col, width) ((row) * (width) + (col))
#define PRINT_ARR(arr, n)                                                      \
  do {                                                                         \
    for (int i = 0; i < n; i++) {                                              \
      cout << arr[i] << " ";                                                   \
    }                                                                          \
    cout << "\n";                                                              \
  } while (0)
#define PRINT_VEC_ARR(v, n)                                                    \
  do {                                                                         \
    for (int i = 0; i < n; i++) {                                              \
      cout << i << ": ";                                                       \
      for (auto item : v[i]) {                                                 \
        cout << item << " ";                                                   \
      }                                                                        \
      cout << endl;                                                            \
    }                                                                          \
  } while (0)

typedef long long ll;

int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  // n == height
  // m == width
  int n, m;
  cin >> n >> m;

  if ((n % 2 != 0) && (m % 2 != 0)) {
    cout << -1 << endl;
  }

  if (n % 2 == 0) {
    for (int i = 0; i < n; i++) {
      if (i == 0) {
        for (int j = 0; j < m; j++) {
          if (j == m - 1)
            cout << "D";
          else {
            cout << (i % 2 == 0 ? "R" : "L");
          }
        }
      } else {
        for (int j = 1; j < m; j++) {
          if (j == m - 1)
            cout << (i == n - 1 ? "L" : "D");
          else {
            cout << (i % 2 == 0 ? "R" : "L");
          }
        }
      }
    }
    for (int i = 0; i < n - 1; i++) {
      cout << "U";
    }
    cout << endl;
  } else {
    for (int i = 0; i < m; i++) {
      if (i == 0) {
        for (int j = 0; j < n; j++) {
          if (j == n - 1)
            cout << "R";
          else {
            cout << (i % 2 == 0 ? "D" : "U");
          }
        }
      } else {
        for (int j = 1; j < n; j++) {
          if (j == n - 1)
            cout << (i == m - 1 ? "U" : "R");
          else {
            cout << (i % 2 == 0 ? "D" : "U");
          }
        }
      }
    }
    for (int i = 0; i < n; i++) {
      cout << "L";
    }
    cout << endl;
  }
  return 0;
}

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
RRDLLU

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
RRRDLLDRRDLLLUUU

Test 6

Verdict: ACCEPTED

input
3 3

correct output
-1

user output
-1
DDRURDULLL

Test 7

Verdict: ACCEPTED

input
4 4

correct output
DDDRUURDDRUUULLL

user output
RRRDLLDRRDLLLUUU

Test 8

Verdict: ACCEPTED

input
3 5

correct output
-1

user output
-1
DDRURDRURDULLL

Test 9

Verdict:

input
3 2

correct output
DDRUUL

user output
DDRUULLL

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
DDDDRUUURDDDRUUURDDDULLLLL

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
DDDDRUUURDDDRUUURDDDULLLLL

Test 14

Verdict: ACCEPTED

input
2 2

correct output
DRUL

user output
RDLU

Test 15

Verdict:

input
5 2

correct output
DDDDRUUUUL

user output
DDDDRUUUULLLLL

Test 16

Verdict: ACCEPTED

input
2 3

correct output
RRDLLU

user output
RRDLLU

Test 17

Verdict: ACCEPTED

input
6 7

correct output
RRRRRRDLLLLLDRRRRRDLLLLLDRRRRR...

user output
RRRRRRDLLLLLDRRRRRDLLLLLDRRRRR...

Test 18

Verdict:

input
5 10

correct output
DDDDRUUURDDDRUUURDDDRUUURDDDRU...

user output
DDDDRUUURDDDRUUURDDDRUUURDDDRU...

Test 19

Verdict: ACCEPTED

input
5 3

correct output
-1

user output
-1
DDDDRUUURDDDULLLLL

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
RRRRRRRRRDLLLLLLLLDRRRRRRRRDLL...
Truncated

Test 22

Verdict:

input
3 2

correct output
DDRUUL

user output
DDRUULLL

Test 23

Verdict: ACCEPTED

input
10 10

correct output
DDDDDDDDDRUUUUUUUURDDDDDDDDRUU...

user output
RRRRRRRRRDLLLLLLLLDRRRRRRRRDLL...
Truncated

Test 24

Verdict: ACCEPTED

input
2 4

correct output
DRRRULLL

user output
RRRDLLLU

Test 25

Verdict:

input
9 2

correct output
DDDDDDDDRUUUUUUUUL

user output
DDDDDDDDRUUUUUUUULLLLLLLLL

Test 26

Verdict: ACCEPTED

input
2 5

correct output
RRRRDLLLLU

user output
RRRRDLLLLU

Test 27

Verdict: ACCEPTED

input
56 60

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated

Test 28

Verdict:

input
43 100

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 29

Verdict:

input
45 20

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 30

Verdict: ACCEPTED

input
56 9

correct output
RRRRRRRRDLLLLLLLDRRRRRRRDLLLLL...

user output
RRRRRRRRDLLLLLLLDRRRRRRRDLLLLL...
Truncated

Test 31

Verdict: ACCEPTED

input
97 91

correct output
-1

user output
-1
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 32

Verdict: ACCEPTED

input
23 7

correct output
-1

user output
-1
DDDDDDDDDDDDDDDDDDDDDDRUUUUUUU...
Truncated

Test 33

Verdict: ACCEPTED

input
90 95

correct output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated

Test 34

Verdict:

input
9 24

correct output
DDDDDDDDRUUUUUUURDDDDDDDRUUUUU...

user output
DDDDDDDDRUUUUUUURDDDDDDDRUUUUU...
Truncated

Test 35

Verdict: ACCEPTED

input
88 3

correct output
RRDLDRDLDRDLDRDLDRDLDRDLDRDLDR...

user output
RRDLDRDLDRDLDRDLDRDLDRDLDRDLDR...
Truncated

Test 36

Verdict:

input
3 38

correct output
DDRURDRURDRURDRURDRURDRURDRURD...

user output
DDRURDRURDRURDRURDRURDRURDRURD...

Test 37

Verdict: ACCEPTED

input
111 119

correct output
-1

user output
-1
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 38

Verdict: ACCEPTED

input
84 200

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated

Test 39

Verdict: ACCEPTED

input
88 38

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated

Test 40

Verdict:

input
111 16

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 41

Verdict: ACCEPTED

input
194 181

correct output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated

Test 42

Verdict: ACCEPTED

input
46 12

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRDLLLLLLLLLLDRRRRRRR...
Truncated

Test 43

Verdict:

input
179 190

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 44

Verdict: ACCEPTED

input
17 47

correct output
-1

user output
-1
DDDDDDDDDDDDDDDDRUUUUUUUUUUUUU...
Truncated

Test 45

Verdict:

input
175 4

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 46

Verdict: ACCEPTED

input
4 74

correct output
DDDRUURDDRUURDDRUURDDRUURDDRUU...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated

Test 47

Verdict: ACCEPTED

input
550 594

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated

Test 48

Verdict: ACCEPTED

input
418 998

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated

Test 49

Verdict:

input
437 186

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 50

Verdict: ACCEPTED

input
552 72

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated

Test 51

Verdict: ACCEPTED

input
968 901

correct output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated

Test 52

Verdict: ACCEPTED

input
223 57

correct output
-1

user output
-1
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 53

Verdict:

input
893 948

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 54

Verdict: ACCEPTED

input
78 229

correct output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated

Test 55

Verdict: ACCEPTED

input
874 13

correct output
RRRRRRRRRRRRDLLLLLLLLLLLDRRRRR...

user output
RRRRRRRRRRRRDLLLLLLLLLLLDRRRRR...
Truncated

Test 56

Verdict: ACCEPTED

input
12 366

correct output
DDDDDDDDDDDRUUUUUUUUUURDDDDDDD...

user output
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated