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‫نویسی‬ ‫برنامه‬ ‫کارگاه‬C++
Data structures
‫ها‬ ‫داده‬ ‫ساختمان‬
‫اصفهان‬ ‫صنعتی‬ ‫دانشگاه‬–‫کامپیوتر‬ ‫و‬ ‫برق‬ ‫دانشکده‬–‫نیا‬ ‫بهنامی‬–‫سروری‬–‫آخوندی‬–‫پورقدرت‬
1
Demystifying
 A DATA STRUCTURE(RECORD) is a group of data
elements, with the same features, grouped together
under one name.
 Like other variable types these are also TYPES.
 FIELDS or MEMBERS can have different types and different lengths.
 Can be declared using the following syntax ( abstract ) :
struct type_name {
member_type1 member_name1;
member_type2 member_name2;
member_type3 member_name3;
.
.
} object_names;
‫اصفهان‬ ‫صنعتی‬ ‫دانشگاه‬–‫کامپیوتر‬ ‫و‬ ‫برق‬ ‫دانشکده‬–‫نیا‬ ‫بهنامی‬–‫سروری‬–‫آخوندی‬–‫پورقدرت‬
2
For example:
struct product {
int weight;
double price;
};
product apple;
product banana, melon;
‫اصفهان‬ ‫صنعتی‬ ‫دانشگاه‬–‫کامپیوتر‬ ‫و‬ ‫برق‬ ‫دانشکده‬–‫نیا‬ ‫بهنامی‬–‫سروری‬–‫آخوندی‬–‫پورقدرت‬
3
struct product {
int weight;
double price;
} apple, banana, melon;
‫اصفهان‬ ‫صنعتی‬ ‫دانشگاه‬–‫کامپیوتر‬ ‫و‬ ‫برق‬ ‫دانشکده‬–‫نیا‬ ‫بهنامی‬–‫سروری‬–‫آخوندی‬–‫پورقدرت‬
4
apple.weight
apple.price
banana.weight
banana.price
melon.weight
melon.price
‫اصفهان‬ ‫صنعتی‬ ‫دانشگاه‬–‫کامپیوتر‬ ‫و‬ ‫برق‬ ‫دانشکده‬–‫نیا‬ ‫بهنامی‬–‫سروری‬–‫آخوندی‬–‫پورقدرت‬
5
Arrays of data structures
 As other types of variables we can also have arrays of
data structures .
struct product {
int weight;
double price;
};
product p[100];
‫اصفهان‬ ‫صنعتی‬ ‫دانشگاه‬–‫کامپیوتر‬ ‫و‬ ‫برق‬ ‫دانشکده‬–‫نیا‬ ‫بهنامی‬–‫سروری‬–‫آخوندی‬–‫پورقدرت‬
6
Data structures as Function Arguments
‫اصفهان‬ ‫صنعتی‬ ‫دانشگاه‬–‫کامپیوتر‬ ‫و‬ ‫برق‬ ‫دانشکده‬–‫نیا‬ ‫بهنامی‬–‫سروری‬–‫آخوندی‬–‫پورقدرت‬
7
void heavy(product arrayOfProduct[])
{
product heavyProducts[100];
for (int i = 0; i < 100; i++)
{
if (arrayOfProduct[i].weight > 10000)
heavyProducts[i].weight = 1;
else
heavyProducts[i].weight = 0;
}
for (int j = 0; j < 100; j++)
{
if (heavyProducts[j].weight == 1)
{
system("color 40");
cout << “The element number" << j + 1 << "is heavy" << endl;
}
}
}
The end
‫اصفهان‬ ‫صنعتی‬ ‫دانشگاه‬–‫کامپیوتر‬ ‫و‬ ‫برق‬ ‫دانشکده‬–‫نیا‬ ‫بهنامی‬–‫سروری‬–‫آخوندی‬–‫پورقدرت‬
8
Questions …

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Data structures

  • 1. ‫نویسی‬ ‫برنامه‬ ‫کارگاه‬C++ Data structures ‫ها‬ ‫داده‬ ‫ساختمان‬ ‫اصفهان‬ ‫صنعتی‬ ‫دانشگاه‬–‫کامپیوتر‬ ‫و‬ ‫برق‬ ‫دانشکده‬–‫نیا‬ ‫بهنامی‬–‫سروری‬–‫آخوندی‬–‫پورقدرت‬ 1
  • 2. Demystifying  A DATA STRUCTURE(RECORD) is a group of data elements, with the same features, grouped together under one name.  Like other variable types these are also TYPES.  FIELDS or MEMBERS can have different types and different lengths.  Can be declared using the following syntax ( abstract ) : struct type_name { member_type1 member_name1; member_type2 member_name2; member_type3 member_name3; . . } object_names; ‫اصفهان‬ ‫صنعتی‬ ‫دانشگاه‬–‫کامپیوتر‬ ‫و‬ ‫برق‬ ‫دانشکده‬–‫نیا‬ ‫بهنامی‬–‫سروری‬–‫آخوندی‬–‫پورقدرت‬ 2
  • 3. For example: struct product { int weight; double price; }; product apple; product banana, melon; ‫اصفهان‬ ‫صنعتی‬ ‫دانشگاه‬–‫کامپیوتر‬ ‫و‬ ‫برق‬ ‫دانشکده‬–‫نیا‬ ‫بهنامی‬–‫سروری‬–‫آخوندی‬–‫پورقدرت‬ 3
  • 4. struct product { int weight; double price; } apple, banana, melon; ‫اصفهان‬ ‫صنعتی‬ ‫دانشگاه‬–‫کامپیوتر‬ ‫و‬ ‫برق‬ ‫دانشکده‬–‫نیا‬ ‫بهنامی‬–‫سروری‬–‫آخوندی‬–‫پورقدرت‬ 4
  • 5. apple.weight apple.price banana.weight banana.price melon.weight melon.price ‫اصفهان‬ ‫صنعتی‬ ‫دانشگاه‬–‫کامپیوتر‬ ‫و‬ ‫برق‬ ‫دانشکده‬–‫نیا‬ ‫بهنامی‬–‫سروری‬–‫آخوندی‬–‫پورقدرت‬ 5
  • 6. Arrays of data structures  As other types of variables we can also have arrays of data structures . struct product { int weight; double price; }; product p[100]; ‫اصفهان‬ ‫صنعتی‬ ‫دانشگاه‬–‫کامپیوتر‬ ‫و‬ ‫برق‬ ‫دانشکده‬–‫نیا‬ ‫بهنامی‬–‫سروری‬–‫آخوندی‬–‫پورقدرت‬ 6
  • 7. Data structures as Function Arguments ‫اصفهان‬ ‫صنعتی‬ ‫دانشگاه‬–‫کامپیوتر‬ ‫و‬ ‫برق‬ ‫دانشکده‬–‫نیا‬ ‫بهنامی‬–‫سروری‬–‫آخوندی‬–‫پورقدرت‬ 7 void heavy(product arrayOfProduct[]) { product heavyProducts[100]; for (int i = 0; i < 100; i++) { if (arrayOfProduct[i].weight > 10000) heavyProducts[i].weight = 1; else heavyProducts[i].weight = 0; } for (int j = 0; j < 100; j++) { if (heavyProducts[j].weight == 1) { system("color 40"); cout << “The element number" << j + 1 << "is heavy" << endl; } } }
  • 8. The end ‫اصفهان‬ ‫صنعتی‬ ‫دانشگاه‬–‫کامپیوتر‬ ‫و‬ ‫برق‬ ‫دانشکده‬–‫نیا‬ ‫بهنامی‬–‫سروری‬–‫آخوندی‬–‫پورقدرت‬ 8 Questions …