CSES - Datatähti 2023 alku - Results
Submission details
Task:Ruudukko
Sender:tiitii
Submission time:2022-11-10 12:36:18 +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
#4ACCEPTED0.01 s2, 3details
#50.01 s2, 3details
#60.02 s2, 3details
#7ACCEPTED0.20 s3details
#8--3details
#9--3details

Code

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

    ll n, k, m, s;
    vector<vector<ll>> v, w, z;
    vector<ll> u;

void haku (ll e, ll f){
    z[e][f] = 1;
    if (v[e][f] != 1) {
        for (int i = 0; i < n; i++){
            if (v[e][f] > v[e][i]){
                if (z[e][i] == 0) haku(e,i);
                w[e][f] += w[e][i];
            }
        }
        for (int i = 0; i < n; i++){
            if (v[e][f] > v[i][f]){
                if (z[i][f] == 0) haku(i,f);
                w[e][f] += w[i][f];
            }
        }

    }
}

int main()
{
    s = 0;
    cin >> n;
    v.assign(n, vector<ll> (n, 0));
    w.assign(n, vector<ll> (n, 1));
    z.assign(n, vector<ll> (n, 0));

    for (int i = 0; i < n; i++){
        for (int j = 0; j < n; j++){
            cin >> k;
            v[i][j] = k;
            u.push_back(k);
        }
    }

    auto it = max_element(u.begin(), u.end());
    m = distance(u.begin(), it);

    haku(m/n,m%n);

    for (int i = 0; i < n; i++){
        for (int j = 0; j < n; j++){
            if (z[i][j] == 0) haku(i, j);
        }
    }

    for (int i = 0; i < n; i++){
        for (int j = 0; j < n; j++){
            s = (s + w[i][j]) % 1000000007;
        }
    }

    cout << s;

    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
-310794052

Test 6

Group: 2, 3

Verdict:

input
100
2995 8734 1018 2513 7971 5063 ...

correct output
964692694

user output
446990840

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
(empty)

Test 9

Group: 3

Verdict:

input
1000
520283 805991 492643 75254 527...

correct output
951147313

user output
(empty)