Cod sursa(job #586638)

Utilizator maritimCristian Lambru maritim Data 2 mai 2011 17:55:47
Problema Operatii Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.35 kb
Raporteaza aceasta sursa 
#include<stdio.h>
#include<stdlib.h>

int N;
int a;
int b;
unsigned long long MAX;

int main()
{
	FILE *f = fopen("operatii.in","r");
	FILE *g = fopen("operatii.out","w");
	
	fscanf(f,"%d",&N);
	for(int i=1;i<=N;i++)
	{
		fscanf(f,"%d",&a);
		MAX += abs(a-b);
		b = a;
	}
	MAX += b;
	fprintf(g,"%llu",MAX/2);
	
	fclose(g);
	fclose(f);
}