Cod sursa(job #854928)

Utilizator roots4Irimia Alexandru Gabriel roots4 Data 14 ianuarie 2013 13:01:15
Problema Nunta Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.28 kb
Raporteaza aceasta sursa 
#include<fstream>

using namespace std;

ifstream f("nunta.in");
ofstream g("nunta.out");

int n,a,b,c,i;

int main(){
	
	f>>n;
	
	a=1,b=2,c=0;
	
	if(n<=2)
		g<<n;
	else{
		n-=2;
		for(i=1;i<=n;i++){
			c=a+b;
			a=b;
			b=c;
		}
		g<<b;
	}
	
	return 0;
}