CSES - Datatähti 2023 alku - Results
Submission details
Task:Ruudukko
Sender:Kemm1706
Submission time:2022-12-04 07:27:32 +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
#60.01 s2, 3details
#7ACCEPTED0.22 s3details
#80.30 s3details
#90.38 s3details

Code

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
const LL modd = 1e9 + 7;
struct Item
{
LL val, x, y;
};
bool SoSanh(Item a, Item b)
{
return a.val > b.val;
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
//freopen("test_input.txt", "r", stdin);
LL n, i, j, m = 0, x, y, ans = 0;
static Item a[1000000];
//static LL countt[100][100];
static LL r[1000];
static LL c[1000];
cin >> n;
for(i = 0; i < n; i++)
for(j = 0; j < n; j++)
{
cin >> a[m].val;
a[m].x = i;
a[m].y = j;
m++;
}
sort(a, a + m, SoSanh);
i = j = 0;
n *= n;
while(i < n)
{
vector <pair<LL, LL>> dr;
vector <pair<LL, LL>> dc;
while(a[j].val == a[i].val && j < n)
{
x = a[j].x;
y = a[j].y;
dr.push_back({x, r[x] + c[y] + 1});
dc.push_back({y, r[x] + c[y] + 1});
ans += r[x] + c[y] + 1;
//cout << "\n" << x << " " << y << " " << ans;
j++;
}
m = dr.size();
for(i = 0; i < m; i++)
r[dr[i].first] += dr[i].second;
m = dc.size();
for(i = 0; i < m; i++)
c[dc[i].first] += dc[i].second;
//cout << " " << r[x] << " " << c[y] << ".";
i = j;
}
/*for(i = 0; i < sqrt(n); i++)
cout << r[i] << " " << c[i] << "\n\n";*/
cout << ans;
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
-2988340646529634229

Test 6

Group: 2, 3

Verdict:

input
100
2995 8734 1018 2513 7971 5063 ...

correct output
964692694

user output
-4141917025116900187

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
-7151197551579114597

Test 9

Group: 3

Verdict:

input
1000
520283 805991 492643 75254 527...

correct output
951147313

user output
-5170564440744898771