Submission #203162

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
203162	2020-02-19 15:21:21	coloredrabbit	Phibonacci (kriii2_P)	C++17	1 / 4	5 ms	376 KiB

P

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include<bits/stdc++.h>
using namespace std;
using ll=long long;
struct mat{
  ll a,b;
  ll c,d;
  mat(ll x=0,ll y=0,ll z=0,ll w=0):a(x),b(y),c(z),d(w){}
};
 
const ll mod=1e9+7;
 
mat operator*(mat x,mat y){
  return mat((x.a*y.a%mod+x.b*y.c%mod+mod)%mod, (x.a*y.b%mod+x.b*y.d%mod+mod)%mod,
             (x.c*y.a%mod+x.d*y.c%mod+mod)%mod, (x.c*y.b%mod+x.d*y.d%mod+mod)%mod
  );
}
 
mat matPow(mat x,ll n){
  if(n==0)return mat(1,0,0,1);
  if(n==1)return x;
  if(n&1)return matPow(x*x,n/2)*x;
  return matPow(x*x,n/2);
}
 
ll ipow(ll x,ll n){
  if(n==0)return 1;
  if(n==1)return x;
  if(n&1)return ipow(x*x%mod,n/2)*x%mod;
  return ipow(x*x%mod,n/2)%mod;
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 1 / 1
• Subtask 2: 0 / 3