Examples of nested map and vector in STL

# Pragma warning (Disable: 4786)

# Include <string>

# Include <iostream>

# Include <algorithm>

# Include <map>

# Include <vector>

Using namespace STD;

Typedef Map <string, string> string2string;

Typedef STD: Map <string, vector <string> string2vector;

 

Int main ()

{

STD: Map <string, string> map_test;

Map_test.insert (string2string: value_type ("2001", "test1 "));

Map_test.insert (string2string: value_type ("2002", "Test2 "));

Map_test.insert (string2string: value_type ("2003", "test3 "));

Map_test.insert (string2string: value_type ("2004", "test4 "));

Map_test.insert (string2string: value_type ("2005", "test5 "));

 

Map <string, string >:: const_iterator map_conitor = map_test.begin ();

For (; map_conitor! = Map_test.end (); map_conitor ++)

{

Cout <map_conitor-> first <"" <map_conitor-> second <Endl;

}

Cout <"//////////////////////////////////// /// // n ";

STD: vector <string> vec1;

Vec1.push _ back ("test1_vector1 ");

Vec1.push _ back ("test1_vector2 ");

Vec1.push _ back ("test1_vector3 ");

Vec1.push _ back ("test1_vector4 ");

STD: vector <string> vec2;

Vec2.push _ back ("test2_vector1 ");

Vec2.push _ back ("test2_vector2 ");

Vec2.push _ back ("test2_vector3 ");

Vec2.push _ back ("test2_vector4 ");

 

STD: Map <string, vector <string> testmap;

Testmap. insert (string2vector: value_type ("10001", vec1 ));

Testmap. insert (string2vector: value_type ("10002", vec2 ));

STD: Map <string, vector <string >:: iterator map_it = testmap. Begin ();

For (; map_it! = Testmap. End (); map_it ++)

{

Cout <map_it-> first <"/t ";

Vector <string >:: iterator mapvec_itor = map_it-> second. Begin ();

For (; mapvec_itor! = Map_it-> second. End (); mapvec_itor ++)

{

Cout <(* mapvec_itor) <"";

}

Cout <Endl;

}

Cout <"/N ////////////////////////////////// /// // "<Endl;

 

Map <string, vector <string >>:: iterator iter = testmap. Find ("10002 ");

If (ITER! = Testmap. End () // shoshould like this

{

Vector <string >:: iterator it = ITER-> second. Begin ();

While (it! = ITER-> second. End ())

{

Cout <(* It ++) <Endl;

}

}

Return 0;

}

# Pragma warning (Disable: 4786)

# Include <string>

# Include <iostream>

# Include <algorithm>

# Include <map>

# Include <vector>

Using namespace STD;

Typedef Map <string, string> string2string;

Typedef STD: Map <string, vector <string> string2vector;

 

Int main ()

{

STD: Map <string, string> map_test;

Map_test.insert (string2string: value_type ("2001", "test1 "));

Map_test.insert (string2string: value_type ("2002", "Test2 "));

Map_test.insert (string2string: value_type ("2003", "test3 "));

Map_test.insert (string2string: value_type ("2004", "test4 "));

Map_test.insert (string2string: value_type ("2005", "test5 "));

 

Map <string, string >:: const_iterator map_conitor = map_test.begin ();

For (; map_conitor! = Map_test.end (); map_conitor ++)

{

Cout <map_conitor-> first <"" <map_conitor-> second <Endl;

}

Cout <"//////////////////////////////////// /// // n ";

STD: vector <string> vec1;

Vec1.push _ back ("test1_vector1 ");

Vec1.push _ back ("test1_vector2 ");

Vec1.push _ back ("test1_vector3 ");

Vec1.push _ back ("test1_vector4 ");

STD: vector <string> vec2;

Vec2.push _ back ("test2_vector1 ");

Vec2.push _ back ("test2_vector2 ");

Vec2.push _ back ("test2_vector3 ");

Vec2.push _ back ("test2_vector4 ");

 

STD: Map <string, vector <string> testmap;

Testmap. insert (string2vector: value_type ("10001", vec1 ));

Testmap. insert (string2vector: value_type ("10002", vec2 ));

STD: Map <string, vector <string >:: iterator map_it = testmap. Begin ();

For (; map_it! = Testmap. End (); map_it ++)

{

Cout <map_it-> first <"/t ";

Vector <string >:: iterator mapvec_itor = map_it-> second. Begin ();

For (; mapvec_itor! = Map_it-> second. End (); mapvec_itor ++)

{

Cout <(* mapvec_itor) <"";

}

Cout <Endl;

}

Cout <"/N ////////////////////////////////// /// // "<Endl;

 

Map <string, vector <string >>:: iterator iter = testmap. Find ("10002 ");

If (ITER! = Testmap. End () // shoshould like this

{

Vector <string >:: iterator it = ITER-> second. Begin ();

While (it! = ITER-> second. End ())

{

Cout <(* It ++) <Endl;

}

}

Return 0;

}