Envío 1170

Código

/* Code by Eduardo Vega */
#include <stdio.h>
#include <stdlib.h>

int main ()
{
  long int size = 0, num_consultas = 0, consulta1 
  = 0, consulta2 = 0, num, suma, i, j;
  long int *array = NULL;

  scanf("%li", &size);
  array = malloc(sizeof(long int) * size);
  
  for (i = 0; i < size; i++)
  {
    scanf("%li", &num);
    array[i] = num;
  }

  scanf("%li", &num_consultas);
  
  for (i = 0; i < num_consultas; i++)
  {
    scanf("%li%li", &consulta1, &consulta2);
    if (consulta1 >= size || consulta2 >= size)
    {
        free(array);
        return -1;
    }

    for (j = consulta1; j <= consulta2; j++)    
        suma += array[j];

    printf("%li\n", suma);
    suma = 0;
  }   
  
  free(array);
  return 0;
}