Task: | Torni |
Sender: | Ender |
Submission time: | 2020-09-26 18:29:51 +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 | 0.01 s | 1, 2, 3 | details |
#2 | ACCEPTED | 0.01 s | 2, 3 | details |
#3 | ACCEPTED | 0.07 s | 3 | details |
Code
#include <bits/stdc++.h>#define ll long long intusing namespace std;int M = 1e9+7;vector<ll> k(1000001,0);ll f(int a){if(a<0) return 0;if(k[a]) return k[a];int x = (6*f(a-1))%M;int y = (7*f(a-2))%M;k[a] = (x-y+M)%M;return k[a];}int main(){ios_base::sync_with_stdio(false);cin.tie(NULL);k[0] = 1;k[1] = 2;k[2] = 8;int t; cin >> t;while(t--){int n; cin >> n;cout << f(n) << "\n";}return 0;}
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 |