CSES - Datatähti 2023 alku - Results
Submission details
Task:Ruudukko
Sender:Laserr
Submission time:2022-11-04 15:54:30 +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
#5--2, 3details
#6--2, 3details
#7ACCEPTED0.30 s3details
#8--3details
#9--3details

Code

#include<iostream>
#include<vector>
#include<algorithm>
using namespace std;
struct ruutu {
unsigned long long first;
long long second;
unsigned long long x;
unsigned long long y;
ruutu(unsigned long long first_, long long second_, unsigned long long x_, unsigned long long y_) {
first = first_;
second = second_;
x = x_;
y = y_;
}
bool operator<(const ruutu &p) {
if (first != p.first) return first < p.first;
else if (y != p.y) return y < p.y;
else return x < p.x;
}
};
long long haku(ruutu i, vector<ruutu> v, vector<vector<ruutu>> k, unsigned long long n) {
long long s = 0;
for (unsigned long long a = 0; a < n; a++) {
if (i.first > k[i.y][a].first) {
s += k[i.y][a].second;
}
if (i.first > k[a][i.x].first) {
s += k[a][i.x].second;
}
}
return s;
}
int main() {
unsigned long long n;
cin >> n;
long long s = 0;
vector<ruutu> v;
vector<vector<ruutu>> k(n);
for (unsigned long long i = 0; i < n; i++) { // y
for (unsigned long long j = 0; j < n; j++) { // x
unsigned long long x;
cin >> x;
ruutu z(x, 1, j, i);
k[i].push_back(z);
v.push_back(z);
}
}
sort(v.begin(), v.end());
for (auto i : v) {
long long c = 0;
if (i.first != 1) {
c += haku(i, v, k, n);
}
k[i.y][i.x].second += c;
i.second += c;
s += i.second;
}
unsigned long long mod = 1000000007;
cout << s % mod;
}

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: 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)