Cod sursa(job #238217)

Utilizator alexeiIacob Radu alexei Data 31 decembrie 2008 22:17:54
Problema Operatii Scor 30
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.3 kb
Raporteaza aceasta sursa 
#include<stdio.h>
int main()
{
	freopen("operatii.in","r",stdin);
	freopen("operatii.out","w",stdout);
	
	int N;
	scanf("%d",&N);
	
	long long sol=0;
	int i,a1=0,a2;
	for(i=1; i<=N; ++i)
	{
		scanf("%d",&a1);
		if( a1>a2 )
			sol+=a1-a2;	
		a2=a1;
	}

	printf("%lld\n",sol);
	
	return 0;
}