CSES - Datatähti 2023 alku - Results
Submission details
Task:Ruudukko
Sender:tiitii
Submission time:2022-11-10 12:53:28 +0200
Language:C++ (C++11)
Status:READY
Result:61
Feedback
groupverdictscore
#1ACCEPTED28
#2ACCEPTED33
#30
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 2, 3details
#2ACCEPTED0.00 s1, 2, 3details
#3ACCEPTED0.00 s1, 2, 3details
#4ACCEPTED0.01 s2, 3details
#5ACCEPTED0.01 s2, 3details
#6ACCEPTED0.02 s2, 3details
#7ACCEPTED0.19 s3details
#8--3details
#9--3details

Code

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll n, k, s;
vector<vector<ll>> v, w, z;
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][f] + w[e][i]) % 1000000007;
}
}
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[e][f] + w[i][f]) % 1000000007;
}
}
}
}
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;
}
}
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: ACCEPTED

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

correct output
187458477

user output
187458477

Test 6

Group: 2, 3

Verdict: ACCEPTED

input
100
2995 8734 1018 2513 7971 5063 ...

correct output
964692694

user output
964692694

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)