Pagini recente » Cod sursa (job #2046491) | Cod sursa (job #125957) | Cod sursa (job #1907151) | Cod sursa (job #244300) | Cod sursa (job #2406570)
#include <fstream>
using namespace std;
ifstream in("kfib.in");
ofstream out("kfib.out");
const int MOD=666013;
int A[2][2]={{0, 1},
{1, 1}};
int CA[2][2]={{0, 1},
{1, 1}};
void ProdMat(int A[2][2], int B[2][2], int R[2][2]);
void PutMat(int A[2][2], int n);
int main()
{
int p;
in >> p;
PutMat(A, p-1);
out << A[1][1];
return 0;
}
void ProdMat(int A[2][2], int B[2][2], int R[2][2])
{
int aux[2][2];
aux[0][0]=((long long)A[0][0]*B[0][0]%MOD+(long long)A[0][1]*B[1][0]%MOD);
aux[0][1]=((long long)A[0][0]*B[0][1]%MOD+(long long)A[0][1]*B[1][1]%MOD);
aux[1][0]=((long long)A[1][0]*B[0][0]%MOD+(long long)A[1][1]*B[1][0]%MOD);
aux[1][1]=((long long)A[1][0]*B[0][1]%MOD+(long long)A[1][1]*B[1][1]%MOD);
R[0][0]=aux[0][0];
R[0][1]=aux[0][1];
R[1][0]=aux[1][0];
R[1][1]=aux[1][1];
}
void PutMat(int A[2][2], int n)
{
if(n==1) return;
if(n%2==1)
{
PutMat(A, n/2);
ProdMat(A, A, A);
ProdMat(CA, A, A);
}
else
{
PutMat(A, n/2);
ProdMat(A, A, A);
}
}