Cod sursa(job #563851)

Utilizator spadasinoIulian spadasino Data 26 martie 2011 10:49:54
Problema Al k-lea termen Fibonacci Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.25 kb
Raporteaza aceasta sursa 
#include<iostream>
#include<stdio.h>
using namespace std;

int main()
{int x=1,y=1,sum=0,n;

freopen("kfib.in","r",stdin);
freopen("kfib.out","w",stdout);

cin>>n;
         
for(int i=3;i<=n;i++)
{
 sum=x+y;
 x=y;
 y=sum;
}

cout<<sum;
}