Pagini recente » Cod sursa (job #122229) | Cod sursa (job #1000378) | Cod sursa (job #3194678) | Cod sursa (job #2254305) | Cod sursa (job #2698820)
#include <iostream>
#include <fstream>
#define M 666013
#define ull unsigned long long
using namespace std;
ifstream fin("kfib.in");
ofstream fout("kfib.out");
ull A[2][2]={{0,1},{0,0}},
C[2][2]={{0,1},{1,1}},
sol[2][2]={{1,0},{0,1}};
void inmultire(ull a[2][2],ull b[2][2]) // a*b cu rez in a
{
ull c[2][2];
for(int i=0;i<2;i++)
{
for(int j=0;j<2;j++)
{
c[i][j]=0;
for(int k=0;k<2;k++)c[i][j]=(c[i][j]+a[i][k]*b[k][j])%M;
}
}
for(int i=0;i<2;i++)
for(int j=0;j<2;j++)a[i][j]=c[i][j];
}
void putere(ull sol[2][2],int k) // sol=C^k
{
while(k)
{
if(k%2==1)inmultire(sol,C),k--;
else inmultire(C,C),k/=2;
}
}
int main()
{
int N;
fin>>N;
putere(sol,N); // sol=C^n
inmultire(A,sol);
fout<<A[0][0];
}