CSES - Putka Open 2020 – 1/5 - Results
Submission details
Task:Ruudukko
Sender:Ender
Submission time:2020-09-05 18:18:22 +0300
Language:C++ (C++11)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3details
#20.01 s1, 2, 3details
#30.01 s1, 2, 3details
#40.01 s1, 2, 3details
#50.01 s1, 2, 3details
#6ACCEPTED0.01 s1, 2, 3details
#7ACCEPTED0.01 s2, 3details
#80.01 s2, 3details
#90.01 s2, 3details
#100.01 s2, 3details
#110.01 s2, 3details
#12ACCEPTED0.01 s2, 3details
#13ACCEPTED0.01 s3details
#140.02 s3details
#150.01 s3details
#160.01 s3details
#170.02 s3details
#18ACCEPTED0.01 s3details

Code

#include <bits/stdc++.h>
#define ll long long

using namespace std;

int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);

	int n; cin >> n;

	vector<string> r(n);
	vector<vector<int>> d(n, vector<int>(n,1));

	for(int i = 0; i<n; i++)
		cin >> r[i];
	
	for(int i = 1; i<n; i++)
	{
		for(int j = 1; j<n; j++)
		{
			if(d[i-1][j]==d[i][j-1]&&r[i-1][j]!=r[i][j-1])
			{
				d[i][j]=d[i-1][j]+1;
				continue;
			}
			d[i][j]=max(d[i-1][j],d[i][j-1]);
		}
	}

	cout << d[n-1][n-1] << "\n";

	return 0;
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
10
..........
..........
..........
..........
...

correct output
1

user output
1

Test 2

Group: 1, 2, 3

Verdict:

input
10
o.o.......
..........
.o...o.oo.
..o...o.oo
...

correct output
9

user output
8

Test 3

Group: 1, 2, 3

Verdict:

input
10
o......o..
oo.oo.....
oooo....oo
o.......oo
...

correct output
14

user output
9

Test 4

Group: 1, 2, 3

Verdict:

input
10
..ooooo.oo
.ooo.o..oo
.....ooo.o
ooo.ooo.oo
...

correct output
12

user output
9

Test 5

Group: 1, 2, 3

Verdict:

input
10
oooooooooo
ooo....ooo
.oo.oo.ooo
oooooooooo
...

correct output
10

user output
8

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
10
oooooooooo
oooooooooo
oooooooooo
oooooooooo
...

correct output
1

user output
1

Test 7

Group: 2, 3

Verdict: ACCEPTED

input
100
.................................

correct output
1

user output
1

Test 8

Group: 2, 3

Verdict:

input
100
.........o.....o.........o..o....

correct output
114

user output
80

Test 9

Group: 2, 3

Verdict:

input
100
oo..oo.oo..o...o..o.o..o.........

correct output
151

user output
93

Test 10

Group: 2, 3

Verdict:

input
100
o..o.ooo..oo.o.o.o..o.o..o..oo...

correct output
143

user output
93

Test 11

Group: 2, 3

Verdict:

input
100
oo..oooooooooooo.oooo.o.o.oooo...

correct output
115

user output
79

Test 12

Group: 2, 3

Verdict: ACCEPTED

input
100
oooooooooooooooooooooooooooooo...

correct output
1

user output
1

Test 13

Group: 3

Verdict: ACCEPTED

input
1000
.................................

correct output
1

user output
1

Test 14

Group: 3

Verdict:

input
1000
o..........o...o...o...o.........

correct output
1121

user output
809

Test 15

Group: 3

Verdict:

input
1000
.o.............o....o.o......o...

correct output
1583

user output
972

Test 16

Group: 3

Verdict:

input
1000
oooooo.oooooo.....oooo..o...o....

correct output
1574

user output
965

Test 17

Group: 3

Verdict:

input
1000
ooooo.oo.oooooooooo...o...oo.....

correct output
1147

user output
807

Test 18

Group: 3

Verdict: ACCEPTED

input
1000
oooooooooooooooooooooooooooooo...

correct output
1

user output
1