Cod sursa(job #115252)

Utilizator hadesgamesTache Alexandru hadesgames Data 16 decembrie 2007 11:49:33
Problema Operatii Scor 0
Compilator cpp Status done
Runda preONI 2008, Runda 2, Clasa a 9-a Marime 0.33 kb
Raporteaza aceasta sursa 
#include <stdio.h>
int main()
{
	FILE *in,*out;
	int  n,a,nr,x,i;
	in=fopen("operatii.in","r");
	out=fopen("operatiii.out","w");
	fscanf(in,"%d",&n);
	a=0;
	nr=0;
	for (i=1;i<=n;i++)
	{
		fscanf(in,"%d",&x);
		if (x>a)
		{
			nr+=x-a;
		}
		a=x;
	}
	fprintf(out,"%d\n",nr);
	fclose(in);
	fclose(out);
	return 0;
}