CSES - Datatähti 2023 alku - Results
Submission details
Task:Ruudukko
Sender:snowflake
Submission time:2022-11-13 21:02:00 +0200
Language:C++ (C++17)
Status:READY
Result:28
Feedback
groupverdictscore
#1ACCEPTED28
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 2, 3details
#2ACCEPTED0.00 s1, 2, 3details
#3ACCEPTED0.00 s1, 2, 3details
#4ACCEPTED0.02 s2, 3details
#50.18 s2, 3details
#60.18 s2, 3details
#70.37 s3details
#80.38 s3details
#90.38 s3details

Code

#include <iostream>
#include <vector>
#include <tuple>
using namespace std;
const unsigned int dismo = 1000000007;
unsigned int n = 0;
unsigned int maxim = 0;
unsigned int** multimatrix;
unsigned int** saved;
vector<tuple<unsigned int, unsigned int>>** occROW; // tuple<index_x, index_y>
unsigned int A(unsigned int index_x, unsigned int index_y)
{
unsigned int squareval = multimatrix[index_x][index_y];
unsigned int svalmo = squareval - 1;
if (squareval == 1)
return 0;
unsigned int save = saved[index_x][index_y];
if (save != maxim)
return save;
unsigned int count = 0;
for (unsigned int i = 0; i < svalmo; ++i)
{
vector<tuple<unsigned int, unsigned int>> vex = occROW[index_y][i];
unsigned int oursize = vex.size();
count += oursize;
for (unsigned int m = 0; m < oursize; ++m)
{
tuple<unsigned int, unsigned int> tup = vex[m];
count += A(get<0>(tup), get<1>(tup));
}
count %= dismo;
}
for (unsigned int i = 0; i < n; ++i)
{
if (i == index_y) continue;
unsigned int ne = multimatrix[index_x][i];
if (ne == 1)
{
count++;
continue;
}
if (ne >= squareval) continue;
unsigned int coconut = saved[index_x][i];
if (coconut == maxim)
{
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);
unsigned int countLIBERAL = 0;
cin >> n;
unsigned int sqrn = n * n;
maxim = n + 1;
occROW = new vector<tuple<unsigned int, unsigned int>>* [n];
for (unsigned int i = 0; i < n; ++i)
{
occROW[i] = new vector<tuple<unsigned int, unsigned int>>[sqrn];
}
multimatrix = new unsigned int* [n];
saved = new unsigned int* [n];
for (unsigned int i = 0; i < n; ++i)
{
multimatrix[i] = new unsigned int[n];
saved[i] = new unsigned int[n];
for (unsigned int i7 = 0; i7 < n; ++i7)
{
saved[i][i7] = maxim;
unsigned int mycin = 0;
cin >> mycin;
multimatrix[i][i7] = mycin;
occROW[i7][mycin - 1].push_back(make_tuple(i, i7));
}
}
for (unsigned int lx = 0; lx < n; ++lx)
for (unsigned int ny = 0; ny < n; ++ny)
{
countLIBERAL += A(lx, ny);
}
cout << (countLIBERAL + sqrn) % dismo;
return 0;
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
3
1 1 1
1 1 1
1 1 1

correct output
9

user output
9

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
3
1 2 3
6 5 4
7 8 9

correct output
135

user output
135

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
3
7 8 1
4 5 4
3 9 6

correct output
57

user output
57

Test 4

Group: 2, 3

Verdict: ACCEPTED

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

correct output
10000

user output
10000

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
205299056

Test 6

Group: 2, 3

Verdict:

input
100
2995 8734 1018 2513 7971 5063 ...

correct output
964692694

user output
788670652

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)