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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
class matrix
{
public:
ll a, b, c, d;
static ll m;
matrix(ll _a = 0, ll _b = 0, ll _c = 0, ll _d = 0) : a(_a), b(_b), c(_c), d(_d) {}
matrix operator*(const matrix &M) const
{
matrix res;
res.a = (a * M.a + b * M.c) % m;
res.b = (a * M.b + b * M.d) % m;
res.c = (c * M.a + d * M.c) % m;
res.d = (c * M.b + d * M.d) % m;
return res;
}
};
ll matrix::m = 1;
matrix fast_pow(matrix M, int w)
{
matrix res(1, 0, 0, 1);
while (w)
{
if (w % 2 == 1)
res = res * M;
M = M * M;
w >>= 1;
}
return res;
}
void solve()
{
int n, m;
cin >> n >> m;
matrix M(0, 1, 1, 1);
matrix::m = m;
cout << fast_pow(M, n + 1).a << "\n";
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie();
int t;
cin >> t;
while (t--)
{
solve();
}
}
|