CSES - Datatähti Open 2019

CSES - Datatähti Open 2019 - Results

Submission details
Task:	Robot
Sender:	zscoder
Submission time:	2019-01-18 13:08:23 +0200
Language:	C++
Status:	READY
Result:	12

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

Test results
test	verdict	time	group
#1	ACCEPTED	0.01 s	1	details
#2	ACCEPTED	0.01 s	1	details
#3	ACCEPTED	0.01 s	1	details
#4	ACCEPTED	0.02 s	1	details
#5	ACCEPTED	0.02 s	1	details
#6	ACCEPTED	0.01 s	1	details
#7	ACCEPTED	0.01 s	1	details
#8	ACCEPTED	0.02 s	1	details
#9	ACCEPTED	0.02 s	2	details
#10	ACCEPTED	0.01 s	2	details
#11	ACCEPTED	0.01 s	2	details
#12	WRONG ANSWER	0.01 s	2	details
#13	ACCEPTED	0.02 s	2	details
#14	TIME LIMIT EXCEEDED	--	2	details
#15	WRONG ANSWER	0.09 s	2	details
#16	TIME LIMIT EXCEEDED	--	2	details
#17	TIME LIMIT EXCEEDED	--	2	details
#18	ACCEPTED	0.02 s	3	details
#19	ACCEPTED	0.01 s	3	details
#20	ACCEPTED	0.01 s	3	details
#21	WRONG ANSWER	0.02 s	3	details
#22	ACCEPTED	0.02 s	3	details
#23	TIME LIMIT EXCEEDED	--	3	details
#24	WRONG ANSWER	0.09 s	3	details
#25	TIME LIMIT EXCEEDED	--	3	details
#26	TIME LIMIT EXCEEDED	--	3	details
#27	ACCEPTED	0.02 s	3	details
#28	WRONG ANSWER	0.01 s	3	details
#29	WRONG ANSWER	0.01 s	3	details
#30	TIME LIMIT EXCEEDED	--	3	details
#31	WRONG ANSWER	0.03 s	3	details
#32	TIME LIMIT EXCEEDED	--	3	details
#33	TIME LIMIT EXCEEDED	--	3	details
#34	TIME LIMIT EXCEEDED	--	3	details
#35	TIME LIMIT EXCEEDED	--	3	details
#36	WRONG ANSWER	0.01 s	3	details
#37	TIME LIMIT EXCEEDED	--	3	details
#38	TIME LIMIT EXCEEDED	--	3	details
#39	TIME LIMIT EXCEEDED	--	3	details

Code

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;
 
#define fi first
#define se second
#define mp make_pair
#define pb push_back
 
typedef long long ll;
typedef pair<ll,ll> ii;
typedef vector<int> vi;
typedef unsigned long long ull;
typedef long double ld; 
typedef tree<ii, null_type, less<ii>, rb_tree_tag, tree_order_statistics_node_update> pbds;

int a[111][111];
int dx[4] = {-1,0,1,0};
int dy[4] = {0,1,0,-1};
int n,m; 
int b[111][111];
bool valid(int x, int y)
{
	return (x>=0&&x<n&&y>=0&&y<m);
}

bool vis[111][111];

int main()
{
	ios_base::sync_with_stdio(0); cin.tie(0);
	cin>>n>>m;
	if(n==2)
	{
		for(int i=0;i<m;i++)
		{
			if(i+1<m) cout<<"R";
			else cout<<"G";
		}
		cout<<'\n';
		for(int i=0;i<m;i++)
		{
			if(i==0) cout<<"R";
			else cout<<"B";
		}
		cout<<'\n';
		return 0;
	}
	if((n%4==0)&&(m%4==0))
	{
		cout<<"IMPOSSIBLE\n"; return 0;
	}
	ll p3=1;
	for(int i=0;i<n*m-1;i++) p3*=3;
	for(ll i=0;i<p3;i++)
	{
		ll bit=i;
		for(int j=0;j<n;j++)
		{
			for(int k=0;k<m;k++)
			{
				b[j][k]=a[j][k]=bit%3;
				bit/=3;
			}
		}
		memset(vis,0,sizeof(vis));
		ii cur=mp(0,0); int dir=1;
		vis[cur.fi][cur.se]=1; int cnt=1; bool pos=1;
		for(int steps=0;steps<1000;steps++)
		{
			ii nw = mp(cur.fi+dx[dir],cur.se+dy[dir]);
			if(valid(nw.fi,nw.se))
			{
				if(!vis[nw.fi][nw.se])
				{
					vis[nw.fi][nw.se]=1; cnt++;
				}
				if(a[nw.fi][nw.se]!=a[cur.fi][cur.se])
				{
					dir++; dir%=4;
				}
				a[cur.fi][cur.se]++; a[cur.fi][cur.se]%=3;
				cur=nw;
			}
			else
			{
				pos=0; break;
			}
			if(steps>=299){pos=0; break;}
			if(cnt==n*m&&cur.fi==0&&cur.se==0) break;
		}
		if(pos)
		{
			for(int i=0;i<n;i++)
			{
				for(int j=0;j<m;j++)
				{
					cout<<b[i][j];
				}
				cout<<'\n';
			}
			return 0;
		}
		if(i%10000==0) cerr<<i<<" COMPLETE\n";
	}
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
`2 2` view save

correct output
`RG GR` view save

user output
`RG RB` view save

Test 2

Group: 1

Verdict: ACCEPTED

input
`2 4` view save

correct output
`RRRG GRRR` view save

user output
`RRRG RBBB` view save

Test 3

Group: 1

Verdict: ACCEPTED

input
`2 6` view save

correct output
`RRRRRG GRRRRR` view save

user output
`RRRRRG RBBBBB` view save

Test 4

Group: 1

Verdict: ACCEPTED

input
`2 10` view save

correct output
`RRRRRRRRRG GRRRRRRRRR` view save

user output
`RRRRRRRRRG RBBBBBBBBB` view save

Test 5

Group: 1

Verdict: ACCEPTED

input
`2 50` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` Truncated

Test 6

Group: 1

Verdict: ACCEPTED

input
`2 80` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` Truncated

Test 7

Group: 1

Verdict: ACCEPTED

input
`2 98` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` Truncated

Test 8

Group: 1

Verdict: ACCEPTED

input
`2 100` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` Truncated

Test 9

Group: 2

Verdict: ACCEPTED

input
`2 2` view save

correct output
`RG GR` view save

user output
`RG RB` view save

Test 10

Group: 2

Verdict: ACCEPTED

input
`2 4` view save

correct output
`RRRG GRRR` view save

user output
`RRRG RBBB` view save

Test 11

Group: 2

Verdict: ACCEPTED

input
`2 6` view save

correct output
`RRRRRG GRRRRR` view save

user output
`RRRRRG RBBBBB` view save

Test 12

Group: 2

Verdict: WRONG ANSWER

input
`4 2` view save

correct output
`RG GG GG GR` view save

user output
`01 11 11 10` view save

Error:

0 COMPLETE

Test 13

Group: 2

Verdict: ACCEPTED

input
`4 4` view save

correct output
`IMPOSSIBLE` view save

user output
`IMPOSSIBLE` view save

Test 14

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`4 6` view save

correct output
`RRRRRG GBGRGG GGRBRG GRRBRR` view save

user output
(empty)

Test 15

Group: 2

Verdict: WRONG ANSWER

input
`6 2` view save

correct output
`RG GG GG GG GG ...` view save

user output
`01 11 11 11 11 ...` view save

Error:

0 COMPLETE
10000 COMPLETE
20000 COMPLETE
30000 COMPLETE
40000 COMPLETE
50000 COMPLETE
6000...

Test 16

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`6 4` view save

correct output
`RRRG RGBG RRGG BBGG GRBG ...` view save

user output
(empty)

Test 17

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`6 6` view save

correct output
`RRRRRG GBGRBG GGGBBG GGGBBG GGRBRG ...` view save

user output
(empty)

Test 18

Group: 3

Verdict: ACCEPTED

input
`2 2` view save

correct output
`RG GR` view save

user output
`RG RB` view save

Test 19

Group: 3

Verdict: ACCEPTED

input
`2 4` view save

correct output
`RRRG GRRR` view save

user output
`RRRG RBBB` view save

Test 20

Group: 3

Verdict: ACCEPTED

input
`2 6` view save

correct output
`RRRRRG GRRRRR` view save

user output
`RRRRRG RBBBBB` view save

Test 21

Group: 3

Verdict: WRONG ANSWER

input
`4 2` view save

correct output
`RG GG GG GR` view save

user output
`01 11 11 10` view save

Error:

0 COMPLETE

Test 22

Group: 3

Verdict: ACCEPTED

input
`4 4` view save

correct output
`IMPOSSIBLE` view save

user output
`IMPOSSIBLE` view save

Test 23

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`4 6` view save

correct output
`RRRRRG GBGRGG GGRBRG GRRBRR` view save

user output
(empty)

Test 24

Group: 3

Verdict: WRONG ANSWER

input
`6 2` view save

correct output
`RG GG GG GG GG ...` view save

user output
`01 11 11 11 11 ...` view save

Error:

0 COMPLETE
10000 COMPLETE
20000 COMPLETE
30000 COMPLETE
40000 COMPLETE
50000 COMPLETE
6000...

Test 25

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`6 4` view save

correct output
`RRRG RGBG RRGG BBGG GRBG ...` view save

user output
(empty)

Test 26

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`6 6` view save

correct output
`RRRRRG GBGRBG GGGBBG GGGBBG GGRBRG ...` view save

user output
(empty)

Test 27

Group: 3

Verdict: ACCEPTED

input
`2 100` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` Truncated

Test 28

Group: 3

Verdict: WRONG ANSWER

input
`4 20` view save

correct output
`RRRRRRRRRRRRRRRRRRRG GBBBBBBBBBBBBBBBGRGG GGRRRRRRRRRRRRRRRBRG GRRRRRRRRRRRRRRRRBRR` view save

user output
`IMPOSSIBLE` view save

Test 29

Group: 3

Verdict: WRONG ANSWER

input
`4 100` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
`IMPOSSIBLE` view save

Test 30

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`10 10` view save

correct output
`RRRRRRRRRG GBGRBBGRBG GGGBBGGBBG GGGBBGGBBG GGGBBGGBBG ...` view save

user output
(empty)

Test 31

Group: 3

Verdict: WRONG ANSWER

input
`12 12` view save

correct output
`RRRRRRRRRRRG RGBBGRBBGRBG RRBGGBBGGBBG RRBGGBBGGBBG RRBGGBBGGBBG ...` view save

user output
`IMPOSSIBLE` view save

Test 32

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`10 12` view save

correct output
`RRRRRRRRRRRG RGBBGRBBGRBG RRBGGBBGGBBG RRBGGBBGGBBG RRBGGBBGGBBG ...` view save

user output
(empty)

Test 33

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`12 10` view save

correct output
`RRRRRRRRRG GBGRBBGRBG GGGBBGGBBG GGGBBGGBBG GGGBBGGBBG ...` view save

user output
(empty)

Test 34

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`10 90` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
(empty)

Test 35

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`90 10` view save

correct output
`RRRRRRRRRG GBGRBBGRBG GGGBBGGBBG GGGBBGGBBG GGGBBGGBBG ...` view save

user output
(empty)

Test 36

Group: 3

Verdict: WRONG ANSWER

input
`100 100` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
`IMPOSSIBLE` view save

Test 37

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`98 100` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
(empty)

Test 38

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`100 98` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
(empty)

Test 39

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`98 98` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
(empty)

Datatähti Open 2019

Robot

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

Test 17

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Test 25

Test 26

Test 27

Test 28

Test 29

Test 30

Test 31

Test 32

Test 33

Test 34

Test 35

Test 36

Test 37

Test 38

Test 39

Tasks

Submissions (zscoder)