Task: | Torni |
Sender: | Guuber |
Submission time: | 2020-09-26 12:34:59 +0300 |
Language: | C++ (C++11) |
Status: | READY |
Result: | 100 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 15 |
#2 | ACCEPTED | 41 |
#3 | ACCEPTED | 44 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.04 s | 1, 2, 3 | details |
#2 | ACCEPTED | 0.04 s | 2, 3 | details |
#3 | ACCEPTED | 0.04 s | 3 | details |
Code
#include<bits/stdc++.h>using namespace std;typedef long long ll;ll big = 1e9+7;ll dp[1010101];ll dp2[1010101];int main(){ll t;cin >> t;ll n = 1000000;for(int i = 0; i < 1010101; i++) dp[i] = 0;for(int i = 0; i < 1010101; i++) dp2[i] = 0;dp[1] = 1;dp2[1] = 1;for(int i = 2; i <= n; i++){dp2[i] = 4*dp2[i-1] + dp[i-1];dp[i] = dp2[i-1] + 2*dp[i-1];dp2[i] %= big;dp[i] %= big;}while(t--){cin >> n;cout << (dp[n] + dp2[n])%big << "\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 |