| Task: | Torni |
| Sender: | Sisuaski |
| Submission time: | 2020-09-26 16:29:29 +0300 |
| Language: | C++ (C++17) |
| Status: | READY |
| Result: | 15 |
| group | verdict | score |
|---|---|---|
| #1 | ACCEPTED | 15 |
| #2 | WRONG ANSWER | 0 |
| #3 | WRONG ANSWER | 0 |
| test | verdict | time | group | |
|---|---|---|---|---|
| #1 | ACCEPTED | 0.02 s | 1, 2, 3 | details |
| #2 | WRONG ANSWER | 0.02 s | 2, 3 | details |
| #3 | WRONG ANSWER | 0.02 s | 3 | details |
Code
#include <iostream>
using namespace std;
const int Z = 1e9+7;
const int MN = 1<<20;
long long A[MN], B[MN];
int main() {
A[0]=B[0]=1;
for(int i=1; i<MN; ++i) {
A[i] = (4*A[i-1] + B[i-1])%Z;
B[i] = (A[i-1] + 2*B[i-1])%Z;
}
int t;cin>>t;
while(t--){
int n;cin>>n;
cout<<A[n-1]+B[n-1]<<'\n';
}
}
Test details
Test 1
Group: 1, 2, 3
Verdict: ACCEPTED
| input |
|---|
| 10 1 2 3 4 ... |
| correct output |
|---|
| 2 8 34 148 650 ... |
| user output |
|---|
| 2 8 34 148 650 ... |
Test 2
Group: 2, 3
Verdict: WRONG ANSWER
| input |
|---|
| 100 1 2 3 4 ... |
| correct output |
|---|
| 2 8 34 148 650 ... |
| user output |
|---|
| 2 8 34 148 650 ... Truncated |
Test 3
Group: 3
Verdict: WRONG ANSWER
| input |
|---|
| 100 996306 650655 896240 821967 ... |
| correct output |
|---|
| 87350005 606189151 122595036 193572715 227926807 ... |
| user output |
|---|
| 1087350012 606189151 1122595043 1193572722 1227926814 ... Truncated |