Submission #202844

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
202844	2020-02-18 08:04:00	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<iostream>
#include<cstring>
using namespace std;
using ll = __int128;
const int LIMIT = 126, M = 1e9 + 7;
const ll MOD = (long long)M * M;
struct _mt {
  ll m[2][2];
  _mt() { memset(m, 0, sizeof m);  }
  void E() { for (int i = 0; i < 2; i++) m[i][i] = 1; }
  _mt operator*(const _mt& o) {
    _mt r;
    int i, j, k;
    for (i = 0; i < 2; i++)for (j = 0; j < 2; j++) for (k = 0; k < 2; k++)
      r.m[i][j] = (r.m[i][j] + m[i][k] * o.m[k][j]) % MOD;
    return r;
  }
}F[LIMIT], NK, K;
ll _pow(ll a, ll n) {
  if (n == 1) return a;
  ll h = _pow(a, n >> 1);
  return (h * h % M) * (n % 2 ? a : 1) % M;
}
int main() {
  ll n, k, A, B, i, nk, bitset_v = 1, x;
  long long tN, tK;
  cin >> tN >> tK;
  n = tN, k = tK;
  F[0].m[0][0] = F[0].m[0][1] = F[0].m[1][0] = 1;
  NK.E(); K.E();
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

P.cpp: In function 'int main()':
P.cpp:25:38: warning: unused variable 'x' [-Wunused-variable]
  ll n, k, A, B, i, nk, bitset_v = 1, x;
                                      ^

• Subtask 1: 1 / 1
• Subtask 2: 0 / 3