Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- #include <bits/stdc++.h>
- using namespace std;
- #define ll long long
- #define _test int _TEST; cin>>_TEST; while(_TEST--)
- int main()
- {
- int N = 1e5 + 1;
- int MOD = 1e9 + 7;
- vector<ll int> x(N+10);
- vector<ll int> y(N+10);
- x[1] = 1;
- for(int i=0; i<N; i++)
- {
- (x[i+2] += x[i]) %= MOD;
- (x[i+3] += x[i]) %= MOD;
- (x[i+4] += x[i]) %= MOD;
- (y[i+2] += y[i]) %= MOD;
- (y[i+3] += y[i]) %= MOD;
- (y[i+4] += y[i]) %= MOD;
- x[i+1] += y[i];
- y[i+1] += x[i];
- }
- _test
- {
- int l;
- cin>>l;
- if(l==1 || l==2) cout<<1<<"\n";
- else if(l == 3) cout<<3<<"\n";
- else cout<<(x[l]+x[l-1]+x[l-2]+x[l-3])%MOD<<"\n";
- }
- }
Advertisement
Add Comment
Please, Sign In to add comment