CSES - Putka Open 2020 – 4/5

Submission details
Task:	Ruudukko
Sender:	Sisuaski
Submission time:	2020-11-07 20:37:50 +0200
Language:	C++ (C++17)
Status:	READY
Result:	17

Feedback
group	verdict	score
#1	ACCEPTED	5
#2	ACCEPTED	12
#3	WRONG ANSWER	0
#4	WRONG ANSWER	0
#5	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.01 s	1, 5	details
#2	ACCEPTED	0.01 s	2, 5	details
#3	WRONG ANSWER	0.01 s	3, 5	details
#4	WRONG ANSWER	0.01 s	4, 5	details
#5	WRONG ANSWER	0.01 s	5	details
#6	WRONG ANSWER	0.01 s	5	details
#7	ACCEPTED	0.01 s	2, 5	details
#8	ACCEPTED	0.01 s	2, 5	details
#9	WRONG ANSWER	0.01 s	3, 5	details
#10	WRONG ANSWER	0.01 s	3, 5	details
#11	WRONG ANSWER	0.01 s	3, 5	details
#12	WRONG ANSWER	0.01 s	3, 5	details
#13	WRONG ANSWER	0.01 s	4, 5	details
#14	WRONG ANSWER	0.01 s	5	details
#15	WRONG ANSWER	0.01 s	3, 5	details
#16	WRONG ANSWER	0.02 s	5	details

Code

#include <iostream>
#include <complex>
#include <cstring>
using namespace std;
typedef complex<int> C;

bool used[64][64];

C ds[] = {{1,0}, {0,1}, {-1,0}, {0,-1}};
char dcs[] = "RDLU";

bool& get(C c) {
	return used[c.imag()][c.real()];
}

int fcount(C c) {
	int r=0;
	for(C d: ds) r += !get(c+d);
	return r;
}

int dist(C c) {
	return c.real()*c.real() + c.imag()*c.imag();
}

string go(C from, C to) {
	string res;
	while(from != to) {
		get(from) = 1;
		int bi=-1;
		pair best = {-6,0};
		for(int i=0; i<4; ++i) {
			C c = from + ds[i];
			if (get(c)) continue;
			pair val = {-fcount(c), dist(c-to)};
			if (c==to) val.first = -5;
			if (val > best) best=val, bi=i;
		}
		if (bi<0) return "";
		res += dcs[bi];
		from += ds[bi];
	}
	return res;
}

int main() {
	int t;cin>>t;
	while(t--){
		int n,m,y1,x1,y2,x2;
		cin>>n>>m>>y1>>x1>>y2>>x2;
		memset(used,1,sizeof(used));
		for(int i=1; i<=n; ++i) for(int j=1; j<=m; ++j) used[i][j] = 0;
		string res = go({x1,y1}, {x2,y2});
		if ((int)res.size() == n*m-1) cout<<"YES\n"<<res<<'\n';
		else cout<<"NO\n";
	}
}

Test details

Test 1

Group: 1, 5

Verdict: ACCEPTED

input
`100 1 45 1 45 1 1 1 18 1 1 1 10 1 47 1 17 1 30 1 33 1 28 1 20 ...` view save

correct output
`YES LLLLLLLLLLLLLLLLLLLLLLLLLLLLLL...` view save

user output
`YES LLLLLLLLLLLLLLLLLLLLLLLLLLLLLL...` Truncated

Test 2

Group: 2, 5

Verdict: ACCEPTED

input
`100 2 43 1 33 1 21 2 2 1 1 2 2 2 32 1 1 2 8 2 14 1 12 1 14 ...` view save

correct output
`NO NO NO NO YES ...` view save

user output
`NO NO NO NO YES ...` Truncated

Test 3

Group: 3, 5

Verdict: WRONG ANSWER

input
`100 3 4 2 1 2 4 3 38 2 24 1 22 3 29 2 23 2 3 3 8 3 1 1 2 ...` view save

correct output
`NO NO NO YES RRRRRRRUULDLULDLULDLLUR ...` view save

user output
`NO NO NO YES RRRRRRRUULDLULDLULDLLUR ...` Truncated

Test 4

Group: 4, 5

Verdict: WRONG ANSWER

input
`100 4 25 2 19 1 5 4 13 3 10 4 12 4 7 3 1 4 2 4 23 1 19 2 5 ...` view save

correct output
`YES DDRRRRRRULLLLLURRRRRULLLLLLLDD...` view save

user output
`YES URRRRRRDDDLUULDDLUULLDRDLLULDL...` Truncated

Test 5

Group: 5

Verdict: WRONG ANSWER

input
`100 16 8 13 1 14 8 41 21 19 11 32 12 46 17 13 7 6 11 8 41 4 32 4 12 ...` view save

correct output
`NO YES LURULURULURULURULURRDDDDDDDDDR...` view save

user output
`NO YES UUUUUUUUUUUUUUUUUULLLLLLLLLLDR...` Truncated

Test 6

Group: 5

Verdict: WRONG ANSWER

input
`100 31 38 18 35 31 37 35 48 7 13 21 21 46 21 25 2 4 19 35 2 13 2 35 1 ...` view save

correct output
`YES LLLLLLLLLLLLDRRRRRRRRRRRRDLLLL...` view save

user output
`YES UUUUUUUUUUUUUUUUULLLLLLLLLLLLL...` Truncated

Test 7

Group: 2, 5

Verdict: ACCEPTED

input
`100 2 4 1 3 1 4 2 4 2 2 1 1 2 4 2 3 1 2 2 4 2 3 1 4 ...` view save

correct output
`YES LLDRRRU NO NO NO ...` view save

user output
`YES LLDRRRU NO NO NO ...` Truncated

Test 8

Group: 2, 5

Verdict: ACCEPTED

input
`100 2 5 1 2 2 4 2 5 1 2 1 1 2 5 2 1 1 2 2 5 1 1 1 5 ...` view save

correct output
`YES LDRRURRDL YES RRRDLLLLU NO ...` view save

user output
`YES LDRRURRDL YES RRRDLLLLU NO ...` Truncated

Test 9

Group: 3, 5

Verdict: WRONG ANSWER

input
`100 3 4 1 1 2 3 3 4 2 4 3 2 3 4 2 1 3 1 3 4 1 4 3 4 ...` view save

correct output
`YES DDRRRUULLDR NO YES URRRDDLULDL ...` view save

user output
`YES DDRRRUULLDR NO YES URRRDDLULDL ...` Truncated

Test 10

Group: 3, 5

Verdict: WRONG ANSWER

input
`100 3 5 3 4 3 2 3 5 3 5 2 3 3 5 3 1 2 2 3 5 3 1 3 2 ...` view save

correct output
`NO NO YES UURRRRDDLULDLU NO ...` view save

user output
`NO NO YES RRRRUULDLULLDR NO ...` Truncated

Test 11

Group: 3, 5

Verdict: WRONG ANSWER

input
`100 3 8 2 8 1 2 3 8 2 4 1 7 3 8 3 4 2 7 3 8 2 5 3 1 ...` view save

correct output
`NO NO NO YES LLLDRRRRURDRUULLLLLLLDD ...` view save

user output
`NO NO NO YES URRRDDLULDLLUULDDLUULDD ...` Truncated

Test 12

Group: 3, 5

Verdict: WRONG ANSWER

input
`100 3 9 1 3 2 9 3 9 1 6 1 5 3 9 3 6 2 8 3 9 3 2 3 4 ...` view save

correct output
`NO NO NO NO NO ...` view save

user output
`NO NO NO NO NO ...` Truncated

Test 13

Group: 4, 5

Verdict: WRONG ANSWER

input
`100 4 4 2 2 1 4 4 4 4 1 2 2 4 4 2 1 4 3 4 4 3 1 3 3 ...` view save

correct output
`YES DDLUUURRDDDRUUU YES UUURRRDLDRDLLUU NO ...` view save

user output
`NO YES RRRUUULDDLLUURD NO NO ...` Truncated

Test 14

Group: 5

Verdict: WRONG ANSWER

input
`100 12 27 6 22 1 8 6 25 3 2 4 4 6 16 4 6 5 2 36 33 8 6 1 6 ...` view save

correct output
`YES DLDDDDDRUUUURDDDDRUURDDRRULURU...` view save

user output
`YES RRRRRDDDDDDLUUUUULDDDDDLUUUUUL...` Truncated

Test 15

Group: 3, 5

Verdict: WRONG ANSWER

input
`100 3 12 3 5 1 4 3 20 3 19 2 19 3 34 3 9 2 9 3 38 2 15 3 15 ...` view save

correct output
`YES RRRRRRRUULDLULDLULDLULDLDLULDL...` view save

user output
`YES RRRRRRRUULDLULDLULDLULDLDLLLUU...` Truncated

Test 16

Group: 5

Verdict: WRONG ANSWER

input
`100 50 50 29 1 16 21 50 50 37 5 23 48 50 50 32 22 45 24 50 50 6 28 12 37 ...` view save

correct output
`YES DDDDDDDDDDDDDDDDDDDDDRUUUUUUUU...` view save

user output
`YES DDDDDDDDDDDDDDDDDDDDDRRRRRRRRR...` Truncated

Putka Open 2020 – 4/5

Ruudukko

Code

Test details

Test 1

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

Tasks

Submissions (Sisuaski)