Cod sursa(job #2281773)

Utilizator ChunkylappSafety reason Chunkylapp Data 12 noiembrie 2018 18:41:00
Problema Al k-lea termen Fibonacci Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.31 kb
Raporteaza aceasta sursa 
#include <iostream>

using namespace std;

int main()
{
    long n,i,a,b,c;
    cin>>n;
    if(n==1||n==2)cout<<"1";
    else
    {
        a=1;
        b=1;
        for(i=3;i<=n;++i)
        {
            c=a+b;
            a=b;
            b=c;
        }
       cout<<c;
    }
    return 0;
}