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Putka Open 2020 – 4/5

Ruudukko

  • Start: 2020-11-06 18:00:00
  • End: 2020-11-08 23:00:00
CSES - Putka Open 2020 – 4/5 - Results
Submission details
Task:Ruudukko
Sender:Laakeri
Submission time:2020-11-07 00:15:44 +0200
Language:C++11
Status:READY
Result:17
Feedback
groupverdictscore
#1ACCEPTED5
#2ACCEPTED12
#30
#40
#50
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 5details
#2ACCEPTED0.01 s2, 5details
#30.01 s3, 5details
#40.01 s4, 5details
#50.01 s5details
#60.01 s5details
#7ACCEPTED0.01 s2, 5details
#8ACCEPTED0.01 s2, 5details
#90.01 s3, 5details
#100.01 s3, 5details
#110.01 s3, 5details
#120.01 s3, 5details
#130.01 s4, 5details
#140.01 s5details
#150.01 s3, 5details
#160.01 s5details

Code

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

int gn,gm,gy1,gx1,gy2,gx2;

int h[55][55];

void printres(string res, bool sw, bool swx, bool swy) {
	if (swy) {
		for (char& c : res) {
			if (c=='D') {
				c='U';
			} else if (c=='U'){
				c='D';
			}
		}
	}
	if (swx) {
		for (char& c : res) {
			if (c=='L') {
				c='R';
			} else if (c=='R'){
				c='L';
			}
		}
	}
	if (sw) {
		for (char& c : res) {
			if (c=='R'){
				c='D';
			} else if(c=='L') {
				c='U';
			} else if(c=='U'){
				c='L';
			} else if(c=='D'){
				c='R';
			}
		}
	}
	for (int i=1;i<=gn;i++){
		for (int ii=1;ii<=gm;ii++){
			h[i][ii]=0;
		}
	}
	cout<<"YES"<<endl;
	cout<<res<<endl;
	assert((int)res.size() == gn*gm-1);
	int ty=gy1;
	int tx=gx1;
	h[ty][tx]=1;
	for (char c : res) {
		if (c=='R') tx++;
		if (c=='L') tx--;
		if (c=='D') ty++;
		if (c=='U') ty--;
		assert(h[ty][tx]==0);
		h[ty][tx]=1;
		assert(1<=ty&&ty<=gn&&1<=tx&&tx<=gm);
	}
	assert(ty==gy2&&tx==gx2);
}

void solve() {
	int n,m,y1,x1,y2,x2;
	cin>>n>>m>>y1>>x1>>y2>>x2;
	gn=n;
	gm=m;
	gy1=y1;
	gx1=x1;
	gy2=y2;
	gx2=x2;
	bool sw=false;
	bool swx=false;
	bool swy=false;
	if (n>m){
		swap(n,m);
		swap(y1,x1);
		swap(y2,x2);
		sw=true;
	}
	if (x1>x2){
		x1=m+1-x1;
		x2=m+1-x2;
		swx=true;
	}
	if (y1>y2){
		y1=n+1-y1;
		y2=n+1-y2;
		swy=true;
	}
	if ((y1+x1+n*m)%2==(y2+x2)%2) {
		cout<<"NO"<<endl;
		return;
	}
	if (n==1) {
		if (x1==1&&x2==m){
			string res;
			for (int j=0;j<m-1;j++){
				res+='R';
			}
			printres(res, sw, swx, swy);
			return;
		}
		cout<<"NO"<<endl;
		return;
	}
	if (n==2) {
		if (x1==x2&&x1>1&&x1<m){
			cout<<"NO"<<endl;
			return;
		}
		if (x1==x2){
			if (x1==m){
				swx=true;
				x1=1;
				x2=1;
			}
			assert(y1==1&&y2==2);
			string res;
			for (int j=0;j<m-1;j++){
				res+='R';
			}
			res+='D';
			for (int j=0;j<m-1;j++){
				res+='L';
			}
			printres(res, sw, swx, swy);
			return;
		}
		if (y1==y2){
			if (y1==2){
				swy=true;
				y1=1;
				y2=1;
			}
			string res;
			for (int j=0;j<x1-1;j++){
				res+='L';
			}
			res+='D';
			for (int j=0;j<x1-1;j++){
				res+='R';
			}
			for (int j=0;j<(x2-x1)/2;j++){
				res+="RURD";
			}
			for (int j=0;j<m-x2+1;j++){
				res+='R';
			}
			res+='U';
			for (int j=0;j<m-x2;j++){
				res+='L';
			}
			printres(res, sw, swx, swy);
			return;
		}
		string res;
		for (int j=0;j<x1-1;j++){
			res+='L';
		}
		res+='D';
		for (int j=0;j<x1-1;j++){
			res+='R';
		}
		for (int j=0;j<(x2-x1)/2-1;j++){
			res+="RURD";
		}
		res+="RUR";
		for (int j=0;j<m-x2;j++){
			res+='R';
		}
		res+='D';
		for (int j=0;j<m-x2;j++){
			res+='L';
		}
		printres(res, sw, swx, swy);
		return;
	}
}


int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int tcs;
	cin>>tcs;
	for (int tc=0;tc<tcs;tc++){
		solve();
	}
}

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...
view save

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
...
view save

Test 3

Group: 3, 5

Verdict:

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
NO
NO
...
view save

Test 4

Group: 4, 5

Verdict:

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
NO
NO
NO
NO
NO
...
view save

Test 5

Group: 5

Verdict:

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
NO
NO
NO
NO
...
view save

Test 6

Group: 5

Verdict:

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
NO
NO
YES
UUUUUUUUUUUULDDDDDDDDDDDDDRDLD...
view save

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
...
view save

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
...
view save

Test 9

Group: 3, 5

Verdict:

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
NO
NO
NO
NO
NO
...
view save

Test 10

Group: 3, 5

Verdict:

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
NO
NO
NO
...
view save

Test 11

Group: 3, 5

Verdict:

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
NO
NO
...
view save

Test 12

Group: 3, 5

Verdict:

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
...
view save

Test 13

Group: 4, 5

Verdict:

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
NO
NO
NO
NO
...
view save

Test 14

Group: 5

Verdict:

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
(empty)

Test 15

Group: 3, 5

Verdict:

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
(empty)

Test 16

Group: 5

Verdict:

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
(empty)

Tasks

A Neliöt-B Peli-C Tekijät-D Ruudukko-

Submissions (Laakeri)

2020-11-08 16:32:26 1002020-11-08 16:26:25 1002020-11-08 16:25:38 172020-11-08 15:55:03 442020-11-08 15:47:08 172020-11-08 13:49:34 172020-11-07 00:15:44 172020-11-07 00:03:47 52020-11-06 23:20:29 52020-11-06 23:15:43 0