CSES - Aalto Competitive Programming 2024 - wk9 - Mon - Results
Submission details
Task:Chess board tour
Sender:snude
Submission time:2024-11-04 16:39:48 +0200
Language:C++ (C++11)
Status:READY
Result:ACCEPTED
Test results
testverdicttime
#1ACCEPTED0.00 sdetails
#2ACCEPTED0.00 sdetails
#3ACCEPTED0.00 sdetails
#4ACCEPTED0.00 sdetails
#5ACCEPTED0.00 sdetails
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#17ACCEPTED0.01 sdetails
#18ACCEPTED0.00 sdetails
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#21ACCEPTED0.00 sdetails
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#23ACCEPTED0.00 sdetails
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#34ACCEPTED0.00 sdetails
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#37ACCEPTED0.00 sdetails
#38ACCEPTED0.00 sdetails
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#40ACCEPTED0.00 sdetails
#41ACCEPTED0.00 sdetails
#42ACCEPTED0.00 sdetails
#43ACCEPTED0.01 sdetails
#44ACCEPTED0.00 sdetails
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#46ACCEPTED0.00 sdetails
#47ACCEPTED0.01 sdetails
#48ACCEPTED0.01 sdetails
#49ACCEPTED0.01 sdetails
#50ACCEPTED0.01 sdetails
#51ACCEPTED0.03 sdetails
#52ACCEPTED0.00 sdetails
#53ACCEPTED0.03 sdetails
#54ACCEPTED0.00 sdetails
#55ACCEPTED0.00 sdetails
#56ACCEPTED0.00 sdetails

Code

#include <bits/stdc++.h>

using namespace std;
using ll = long long;

// Debug printing
#ifdef DEBUG
#define deb(fmt, args...) printf("DEBUG: %d: " fmt, __LINE__, ##args)
#define debug_print(fmt, args...) printf(fmt, ##args)
#else
#define deb(fmt, args...)
#define debug_print(fmt, args...)
#endif

void print_array(vector<int> in, const string title = "Vector")
{
	debug_print("DEBUG: %s [\nDEBUG: ", title.c_str());
	for (unsigned int i = 0; i < in.size(); i++) {
		debug_print("%d ", in[i]);
	}
	debug_print("\nDEBUG: ] END\n");
}

void print_matrix(vector<vector<int>> in, const string title = "Matrix")
{
	debug_print("DEBUG: %s [\nDEBUG: ", title.c_str());
	for (unsigned int i = 0; i < in.size(); i++) {
		for (unsigned int j = 0; j < in[i].size(); j++) {
			debug_print("%d ", in[i][j]);
		}
		debug_print("\nDEBUG: ");
	}
	debug_print("DEBUG: ] END\n");
}

int main(int argc, char *argv[])
{
	ios::sync_with_stdio(0);
	cin.tie(0);

	// Read the input parameters
	int n, m;
	cin >> n >> m;

	if (n % 2 == 1 && m % 2 == 1) {
		cout << -1;
		return 0;
	}
	if (m % 2 == 0) {
		cout << "D";
		int w = m;
		while (w > 0) {
			for (int i = 0; i < n - 2; i++) {
				cout << "D";
			}
			cout << "R";
			for (int i = 0; i < n - 2; i++) {
				cout << "U";
			}
			w -= 2;
			if (w > 0) cout << "R";
		}
		cout << "U";
		for (int i = 0; i < m - 1; i++) {
			cout << "L";
		}
	} else {
		cout << "R";
		int w = n;
		while (w > 0) {
			for (int i = 0; i < m - 2; i++) {
				cout << "R";
			}
			cout << "D";
			for (int i = 0; i < m - 2; i++) {
				cout << "L";
			}
			w -= 2;
			if (w > 0) cout << "D";
		}
		cout << "L";
		for (int i = 0; i < n - 1; i++) {
			cout << "U";
		}

	}

	return 0;
}

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: ACCEPTED

input
4 4

correct output
DDDRUURDDRUUULLL

user output
DDDRUURDDRUUULLL

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
DDDRUURDDRUUULLL

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: ACCEPTED

input
6 7

correct output
RRRRRRDLLLLLDRRRRRDLLLLLDRRRRR...

user output
RRRRRRDLLLLLDRRRRRDLLLLLDRRRRR...

Test 18

Verdict: ACCEPTED

input
5 10

correct output
DDDDRUUURDDDRUUURDDDRUUURDDDRU...

user output
DDDDRUUURDDDRUUURDDDRUUURDDDRU...

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: ACCEPTED

input
10 10

correct output
DDDDDDDDDRUUUUUUUURDDDDDDDDRUU...

user output
DDDDDDDDDRUUUUUUUURDDDDDDDDRUU...
Truncated

Test 22

Verdict: ACCEPTED

input
3 2

correct output
DDRUUL

user output
DDRUUL

Test 23

Verdict: ACCEPTED

input
10 10

correct output
DDDDDDDDDRUUUUUUUURDDDDDDDDRUU...

user output
DDDDDDDDDRUUUUUUUURDDDDDDDDRUU...
Truncated

Test 24

Verdict: ACCEPTED

input
2 4

correct output
DRRRULLL

user output
DRRRULLL

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: ACCEPTED

input
56 60

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 28

Verdict: ACCEPTED

input
43 100

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 29

Verdict: ACCEPTED

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

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
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
Truncated

Test 34

Verdict: ACCEPTED

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: ACCEPTED

input
3 38

correct output
DDRURDRURDRURDRURDRURDRURDRURD...

user output
DDRURDRURDRURDRURDRURDRURDRURD...
Truncated

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
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 39

Verdict: ACCEPTED

input
88 38

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 40

Verdict: ACCEPTED

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
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 43

Verdict: ACCEPTED

input
179 190

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

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
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 46

Verdict: ACCEPTED

input
4 74

correct output
DDDRUURDDRUURDDRUURDDRUURDDRUU...

user output
DDDRUURDDRUURDDRUURDDRUURDDRUU...
Truncated

Test 47

Verdict: ACCEPTED

input
550 594

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 48

Verdict: ACCEPTED

input
418 998

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 49

Verdict: ACCEPTED

input
437 186

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
Truncated

Test 50

Verdict: ACCEPTED

input
552 72

correct output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

user output
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...
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

Test 53

Verdict: ACCEPTED

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
DDDDDDDDDDDRUUUUUUUUUURDDDDDDD...
Truncated