Pagini recente » Cod sursa (job #427750) | Cod sursa (job #1248453) | Cod sursa (job #1240988) | Cod sursa (job #2749508) | Cod sursa (job #3136068)
#include <iostream>
#include <fstream>
#define MOD 666013
using namespace std;
ifstream fin("kfib.in");
ofstream fout("kfib.out");
void inmultireMatrice(long long a[][2], long long b[][2]) {
long long c[2][2];
c[0][0] = (a[0][0] * b[0][0] + a[0][1] * b[1][0]) % MOD;
c[0][1] = (a[0][0] * b[0][1] + a[0][1] * b[1][1]) % MOD;
c[1][0] = (a[1][0] * b[0][0] + a[1][1] * b[1][0]) % MOD;
c[1][1] = (a[1][0] * b[0][1] + a[1][1] * b[1][1]) % MOD;
for (int i = 0; i < 2; i++) {
for (int j = 0; j < 2; j++) {
a[i][j] = c[i][j];
}
}
}
int main() {
int n;
fin >> n;
long long a[2][2] = {{1, 1}, {1, 0}};
long long b[2][2] = {{1, 1}, {1, 0}};
n -= 2;
while (n > 0) {
if (n & 1) {
inmultireMatrice(b, a);
}
n /= 2;
inmultireMatrice(a, a);
}
fout << b[0][0] << "\n";
return 0;
}