CSES - Datatähti 2023 alku - Results
Submission details
Task:Ruudukko
Sender:snowflake
Submission time:2022-11-13 20:57:49 +0200
Language:C++ (C++17)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.00 s1, 2, 3details
#20.00 s1, 2, 3details
#30.00 s1, 2, 3details
#40.00 s2, 3details
#50.00 s2, 3details
#60.00 s2, 3details
#70.02 s3details
#80.02 s3details
#90.02 s3details

Code

#include <iostream>
#include <vector>
#include <tuple>
using namespace std;


const long dismo = 1000000007;

long n = 0;

long** multimatrix;
long** saved;
vector<tuple<long, long>>** occROW;	// tuple<index_x, index_y>


long A(long index_x, long index_y)
{
	long squareval = multimatrix[index_x][index_y];
	long svalmo = squareval - 1;
	if (squareval == 1)
		return 0;

	long save = saved[index_x][index_y];
	if (save != -1)
		return save;


	long count = 0;


	for (long i = 0; i < svalmo; ++i)
	{
		vector<tuple<long, long>> vex = occROW[index_y][i];

		long oursize = vex.size();

		count += oursize;

		for (long m = 0; m < oursize; ++m)
		{
			tuple<long, long> tup = vex[m];
			count += A(get<0>(tup), get<1>(tup));
		}

		count %= dismo;
	}

	for (long i = 0; i < n; ++i)
	{
		if (i == index_y) continue;
		long ne = multimatrix[index_x][i];
		if (ne == 1)
		{
			count++;
			continue;
		}
		if (ne >= squareval) continue;
		long coconut = saved[index_x][i];
		if (coconut == -1)
		{
			count = (count + A(index_x, i) + 1) % dismo;
		}
		else
		{
			count = (count + coconut + 1) % dismo;
		}

		count %= dismo;
	}

	saved[index_x][index_y] = count;
	return count;
}


int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);

	long countLIBERAL = 0;

	cin >> n;

	long sqrn = n * n;

	multimatrix = new long* [n];
	saved = new long* [n];
	occROW = new vector<tuple<long, long>>* [n];
	for (long i = 0; i < n; ++i)
	{
		multimatrix[i] = new long[n];
		saved[i] = new long[n];
		occROW[i] = new vector<tuple<long, long>>[sqrn];

		for (long i7 = 0; i7 < n; ++i7)
		{
			saved[i][i7] = -1;

			long mycin = 0;
			cin >> mycin;
			multimatrix[i][i7] = mycin;

			occROW[i7][mycin - 1].push_back(make_tuple(i, i7));
		}
	}

	for (long lx = 0; lx < n; ++lx)
		for (long ny = 0; ny < n; ++ny)
		{
			countLIBERAL += A(lx, ny);
		}


	cout << (countLIBERAL + sqrn) % dismo;




	return 0;
}

Test details

Test 1

Group: 1, 2, 3

Verdict:

input
3
1 1 1
1 1 1
1 1 1

correct output
9

user output
(empty)

Test 2

Group: 1, 2, 3

Verdict:

input
3
1 2 3
6 5 4
7 8 9

correct output
135

user output
(empty)

Test 3

Group: 1, 2, 3

Verdict:

input
3
7 8 1
4 5 4
3 9 6

correct output
57

user output
(empty)

Test 4

Group: 2, 3

Verdict:

input
100
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
10000

user output
(empty)

Test 5

Group: 2, 3

Verdict:

input
100
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

correct output
187458477

user output
(empty)

Test 6

Group: 2, 3

Verdict:

input
100
2995 8734 1018 2513 7971 5063 ...

correct output
964692694

user output
(empty)

Test 7

Group: 3

Verdict:

input
1000
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
1000000

user output
(empty)

Test 8

Group: 3

Verdict:

input
1000
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

correct output
229147081

user output
(empty)

Test 9

Group: 3

Verdict:

input
1000
520283 805991 492643 75254 527...

correct output
951147313

user output
(empty)