CSES - Datatähti 2023 alku - Results
Submission details
Task:Ruudukko
Sender:Bean Benestrom
Submission time:2022-11-13 18:00:44 +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
#4ACCEPTED0.01 s2, 3details
#50.01 s2, 3details
#60.01 s2, 3details
#7ACCEPTED0.42 s3details
#80.66 s3details
#90.98 s3details

Code

#include <iostream>
#include <vector>
int main() {
unsigned int n;
unsigned int x;
unsigned int routes_in_mod = 0; // MODULO: x % 1000000007
std::cin >> n;
if (n < 2) { std::cout << 1 << '\n'; return 0; }
unsigned int ROWS[1000] = { };
unsigned int COLUNMS[1000] = { };
unsigned int TEMP_ROWS[1000] = { };
unsigned int TEMP_COLUNMS[1000] = { };
// POINTER LIST INITIALIZATION
std::vector<unsigned int>* POINTER_LIST = new std::vector<unsigned int>[n*n]();
// GET DATA LOCATION INTO POINTER LIST
for (unsigned int i = 0; i < n*n; i++)
{
std::cin >> x;
POINTER_LIST[x-1].push_back(i);
}
// DO the magic
for (unsigned int i = 0; i < POINTER_LIST[0].size(); i++)
{
ROWS[POINTER_LIST[0][i] % n] += 1;
COLUNMS[(unsigned int)(POINTER_LIST[0][i] / n)] += 1;
TEMP_ROWS[POINTER_LIST[0][i] % n] += 1;
TEMP_COLUNMS[(unsigned int)(POINTER_LIST[0][i] / n)] += 1;
}
unsigned int c = 0;
for (unsigned int i = 1; i < n*n; i++)
{
for (unsigned int j = 0; j < POINTER_LIST[i].size(); j++)
{
c = (ROWS[POINTER_LIST[i][j] % n] + COLUNMS[(unsigned int)(POINTER_LIST[i][j] / n)]) % 1000000007;
routes_in_mod = routes_in_mod + c;
TEMP_ROWS[POINTER_LIST[i][j] % n] += c + 1;
TEMP_COLUNMS[(unsigned int)(POINTER_LIST[i][j] / n)] += c + 1;
}
for (unsigned int j = 0; j < 1000; j++)
{
ROWS[j] = TEMP_ROWS[j];
COLUNMS[j] = TEMP_COLUNMS[j];
}
}
routes_in_mod = ( routes_in_mod + n*n) % 1000000007;
// Deletion
delete[] POINTER_LIST;
// Answer
std::cout << routes_in_mod << "\n";
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
905508501

Test 6

Group: 2, 3

Verdict:

input
100
2995 8734 1018 2513 7971 5063 ...

correct output
964692694

user output
683798275

Test 7

Group: 3

Verdict: ACCEPTED

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

correct output
1000000

user output
1000000

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
59869521

Test 9

Group: 3

Verdict:

input
1000
520283 805991 492643 75254 527...

correct output
951147313

user output
148487589