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| Generic Programming and the STL: Using and Extending the C++ Standard Template L (ISBN: 0201309564) |
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List Price: $54.99
Our Price: $54.99
Used Price: $25.00
Release Date: October, 1998
Manufacturer: Addison-Wesley Pub Co (Hardcover)
Sales Rank: 25,862
Author: Matthew H. Austern
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More Info
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STL Map
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2002-06-20 08:34:34
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cpp
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Category: source:cpp:stl
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Description: Associative array using the stl map container.
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Platform: all
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Author: detour
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Viewed: 18610
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Rating: 3.8/5 (104 votes)
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| If you have any questions about
this piece of code or still need help, try posting your question on the forum. |
/* map.cpp by detour@metalshell.com
*
* A map is an associative array in which you
* have a key and a value. The key's must be
* unique. For a map with multiple keys you can
* use a multimap.
*
* http://www.metalshell.com/
*
*/
// Disable debug warning on long lines in map header
#pragma warning(disable: 4786)
#include <iostream>
#include <string>
#include <map>
using namespace std;
int main() {
map<string, int> ass_array;
// Assign keys and values
ass_array["fat"] = 0;
ass_array["sodium"] = 45;
ass_array["totalcarb"] = 46;
ass_array["protien"] = 0;
// Insert Value
ass_array.insert( map<string, int>::value_type( "potassium", 25 ) );
// Print value of sodium
cout << ass_array["sodium"] << endl;
cout << "The map has " << ass_array.size() << " entries.\n";
// Iterator used to hold position in the map
map<string,int>::iterator loc;
// Returns same value as ass_array.end() if not find.
loc = ass_array.find("sugar");
if(loc != ass_array.end())
cout << "Sugar found!\n";
else
cout << "No Sugar\n";
return 0;
}
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