CSES - Putka Open 2020 – 1/5 - Results
Submission details
Task:Ruudukko
Sender:Grez
Submission time:2020-09-06 19:00:29 +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
#60.01 s1, 2, 3details
#7ACCEPTED0.01 s2, 3details
#8ACCEPTED0.06 s2, 3details
#90.09 s2, 3details
#100.09 s2, 3details
#110.08 s2, 3details
#120.07 s2, 3details
#13ACCEPTED0.17 s3details
#14--3details
#15--3details
#16--3details
#17--3details
#18--3details

Code

#include <iostream>
#include <unordered_set>

using namespace std;

int main() {
	int size;
	cin >> size;

	unordered_set<int> *counts = new unordered_set<int>[size];

	for (int i=0; i < size; i++) {  
		counts[i].insert(0);
	}

	char rivi[size+1];
	
	for (int r=0; r<size; r++) {
		cin >> rivi;
		for (int c=0; c<size; c++) {
			int add = rivi[c] == 'o';
			unordered_set<int> comb;
			for (const auto& elem: counts[c]) {
				comb.insert(add+elem);
			}
			if (c) { 
				for (const auto& elem: counts[c-1]) {
					comb.insert(add+elem);
				}
			}
			counts[c] = comb;
		}
	}
	cout << counts[size-1].size() << endl;	


	delete[] counts;

};


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
10

Test 3

Group: 1, 2, 3

Verdict:

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

correct output
14

user output
15

Test 4

Group: 1, 2, 3

Verdict:

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

correct output
12

user output
13

Test 5

Group: 1, 2, 3

Verdict:

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

correct output
10

user output
13

Test 6

Group: 1, 2, 3

Verdict:

input
10
oooooooooo
oooooooooo
oooooooooo
oooooooooo
...

correct output
1

user output
10

Test 7

Group: 2, 3

Verdict: ACCEPTED

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

correct output
1

user output
1

Test 8

Group: 2, 3

Verdict: ACCEPTED

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

correct output
114

user output
114

Test 9

Group: 2, 3

Verdict:

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

correct output
151

user output
157

Test 10

Group: 2, 3

Verdict:

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

correct output
143

user output
151

Test 11

Group: 2, 3

Verdict:

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

correct output
115

user output
135

Test 12

Group: 2, 3

Verdict:

input
100
oooooooooooooooooooooooooooooo...

correct output
1

user output
100

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
(empty)

Test 15

Group: 3

Verdict:

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

correct output
1583

user output
(empty)

Test 16

Group: 3

Verdict:

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

correct output
1574

user output
(empty)

Test 17

Group: 3

Verdict:

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

correct output
1147

user output
(empty)

Test 18

Group: 3

Verdict:

input
1000
oooooooooooooooooooooooooooooo...

correct output
1

user output
(empty)