Task: | Torni |
Sender: | Sisuaski |
Submission time: | 2020-09-26 16:30:44 +0300 |
Language: | C++ (C++17) |
Status: | READY |
Result: | 100 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 15 |
#2 | ACCEPTED | 41 |
#3 | ACCEPTED | 44 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.02 s | 1, 2, 3 | details |
#2 | ACCEPTED | 0.02 s | 2, 3 | details |
#3 | ACCEPTED | 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])%Z<<'\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: ACCEPTED
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: ACCEPTED
input |
---|
100 996306 650655 896240 821967 ... |
correct output |
---|
87350005 606189151 122595036 193572715 227926807 ... |
user output |
---|
87350005 606189151 122595036 193572715 227926807 ... Truncated |