Cod sursa(job #1644713)
Utilizator | Data | 10 martie 2016 08:50:51 | |
---|---|---|---|
Problema | Al k-lea termen Fibonacci | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.32 kb |
#include <fstream>
#define mod 2*666013+2
using namespace std;
ifstream f("kfib.in");
ofstream g("kfib.out");
long long n, a1, a2, a3;
int main()
{
f >> n;
n -= 2;
a1 = a2 = 1;
for(;n>0;n--)
{
a3 = (a1+a2)%mod;
a1 = a2, a2 = a3;
}
g << a3;
return 0;
}