| Task: | Ruudukko |
| Sender: | Sisuaski |
| Submission time: | 2025-12-20 15:08:00 +0200 |
| Language: | C++ (C++20) |
| Status: | READY |
| Result: | 100 |
| group | verdict | score |
|---|---|---|
| #1 | ACCEPTED | 13 |
| #2 | ACCEPTED | 36 |
| #3 | ACCEPTED | 51 |
| test | verdict | time | group | |
|---|---|---|---|---|
| #1 | ACCEPTED | 0.00 s | 1, 2, 3 | details |
| #2 | ACCEPTED | 0.01 s | 2, 3 | details |
| #3 | ACCEPTED | 0.38 s | 3 | details |
Code
#include <iostream>
using namespace std;
const int Z = 1e9+7;
typedef long long ll;
int main() {
int n;cin>>n;
ll res=0;
for(ll i=0; i<n; ++i) {
for(ll j=0; j<n; ++j) {
ll x;cin>>x;
res += (i+1)*(j+1)%Z*(n-i)%Z*(n-j)%Z*x%Z;
res %= Z;
}
}
cout<<res<<'\n';
}
Test details
Test 1
Group: 1, 2, 3
Verdict: ACCEPTED
| input |
|---|
| 10 647761 970495 559170 744364 38... |
| correct output |
|---|
| 124914206 |
| user output |
|---|
| 124914206 |
Test 2
Group: 2, 3
Verdict: ACCEPTED
| input |
|---|
| 100 599900 828824 239920 576308 48... |
| correct output |
|---|
| 247718517 |
| user output |
|---|
| 247718517 |
Test 3
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 1000 130197 933179 613820 209261 72... |
| correct output |
|---|
| 395488302 |
| user output |
|---|
| 395488302 |