CSES - Datatähti 2023 alku - Results
Submission details
Task:Ruudukko
Sender:sveti404
Submission time:2022-11-08 18:36:17 +0200
Language:C++ (C++11)
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
#4ACCEPTED0.03 s2, 3details
#5--2, 3details
#6--2, 3details
#7--3details
#8--3details
#9--3details

Code

#include <bits/stdc++.h>
#include <cmath>

using namespace std;

typedef long long ll;

ll get_position(pair<int, int> position, vector<vector<ll>>& ruudukko) {
    return ruudukko[position.second][position.first];
}

vector<pair<int, int>> get_smaller_positions(vector<pair<int, int>>& positions, ll value, vector<vector<ll>>& ruudukko) {
    vector<pair<int, int>> result;
    for (auto& position : positions) {
        if (get_position(position, ruudukko) < value) {
            result.push_back(position);
        }
    }
    return result;
}

vector<pair<int, int>> get_available_positions(pair<int, int> position, vector<vector<ll>>& ruudukko, ll n) {
    vector<pair<int, int>> available_positions;
    for (int i = 0; i < n; i++) {
        available_positions.push_back(make_pair(position.first, i));
        available_positions.push_back(make_pair(i, position.second));
    }
    return get_smaller_positions(available_positions, get_position(position, ruudukko), ruudukko);
}


void solve_positions(vector<pair<int, int>> positions, ll& answer, vector<vector<ll>>& ruudukko, ll n) {
    vector<pair<int, int>> next_positions;
    if (positions.size() > 0) {
        for (auto& pos : positions) {
            if (get_position(pos, ruudukko) == 1) {
                answer += 1;
            } else {
                answer += 1;
                next_positions.push_back(pos);
            }
        }
    }
    if (next_positions.size() > 0) {
        for (auto& next_pos : next_positions) {
            solve_positions(get_available_positions(next_pos, ruudukko, n), answer, ruudukko, n);
        }
    }
}

int main() {
    ll answer=0, modulo, n, current_number;
    modulo = pow(10, 9)+7;
    cin >> n;
    answer = n*n;
    vector<vector<ll>> ruudukko;
    for (int i = 0; i < n; i++) {
        vector<ll> adding_vector;
        for (int j = 0; j < n; j++) {
            cin >> current_number;
            adding_vector.push_back(current_number);
        }
        ruudukko.push_back(adding_vector);
    }

    for (int x = 0; x < n; x++) {
        for (int y = 0; y < n; y++) {
            solve_positions(get_available_positions(make_pair(x, y), ruudukko, n),answer,ruudukko, n);
        }
    }
    cout << answer%modulo << "\n";
}

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
(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)