Cod sursa(job #127974)

Utilizator marinMari n marin Data 25 ianuarie 2008 17:40:23
Problema Operatii Scor 80
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.32 kb
Raporteaza aceasta sursa 
#include <stdio.h>
long int n,i,x,y,s;

int main(){
  FILE *f = fopen("operatii.in","r");
  fscanf(f,"%ld",&n);
  x = 0;s = 0;
  for (i=1;i<=n;i++) {
    fscanf(f,"%ld",&y);
    if (y>x) s+=(y-x);
    x = y;
  }
  fclose(f);
  FILE *g = fopen("operatii.out","w");
  fprintf(g,"%ld",s);
  fclose(g);
  return 0;
}