Cod sursa(job #1462079)

Utilizator bent_larsenSturzu Antonio-Gabriel bent_larsen Data 17 iulie 2015 00:44:25
Problema Nunta Scor 40
Compilator c Status done
Runda Arhiva de probleme Marime 0.32 kb
Raporteaza aceasta sursa 
#include<stdio.h>

int main()
{
	FILE *f = fopen("nunta.in","r");
	FILE *g = fopen("nunta.out","w");

	long long f1 = 1, f2 = 2;
	int n;
	
	fscanf(f,"%d",&n);
	
	int i;
	for(i = 3;i <= n;++i)
	{
		f2 = f1 + f2;
		f1 = f2 - f1;
	}
	
	fprintf(g,"%lld\n",f2);
	
	fclose(f);
	fclose(g);
	
	return 0;
}