Pagini recente » Cod sursa (job #564535) | Cod sursa (job #443992) | Cod sursa (job #3347951) | Cod sursa (job #71713) | Cod sursa (job #3355673)
#include <fstream>
using namespace std;
ifstream fin("kfib.in");
ofstream fout("kfib.out");
#define cin fin
#define cout fout
const int mod=666013;
int a[2][2]={{1, 1}, {1, 0}};
int I[2][2]={{1, 0}, {0, 1}};
void multmat(int a[][2], int b[][2])
{
long long c[2][2];
int i, j, k;
for (i=0; i<2; i++)
for (j=0; j<2; j++)
{
c[i][j]=0;
for (k=0; k<2; k++)
c[i][j]+=1LL*a[i][k]*b[k][j];
}
for (i=0; i<2; i++)
for (j=0; j<2; j++)
a[i][j]=c[i][j]%mod;9
}
void puteremat(int p)
{
while (p)
{
if (p&1) multmat(I, a);
multmat(a, a);
p>>=1;
}
}
int main()
{
int k;
cin>>k;
if (k<=1) cout<<k;
else
{
puteremat(k-1);
cout<<I[0][0];
}
return 0;
}