C++ 22.5* (Remove elements) Implement the following function that removes the sp

Question

C++

22.5* (Remove elements) Implement the following function that removes the specified value from a first-class container. Only the first occurrence of a matching value in the container is removed.

template<typename ElementType, typename ContainerType> void remove(ContainerType& container, const ElementType& value)

Your sample case should push the integer 1 through 6 onto a vector<int>, display the contents of the vector, remote the integer 4 from the vector, display the vector again, and attempt to remove the integer 4 a second time, gracefully handling the error when the element is not found.

Explanation / Answer

5

6

#include

<stack>

7

#include

<queue>

8

using

namespace

std;

9  

10

int

main()

11 {

12    vector<

int

> vector1, vector2;

13    list<

int

> list1, list2;

14    deque<

int

> deque1, deque2;

15    set<

int

> set1, set2;

16    multiset<

int

> multiset1, multiset2;

17    stack<

int

> stack1, stack2;

18    queue<

int

> queue1, queue2;

19  

20    cout <<

"Vector: "

<< endl;

21    vector1.push_back(

1

);

22    vector1.push_back(

2

);

23    vector2.push_back(

30

);

24    cout <<

"size of vector1: "

<< vector1.size() << endl;

25    cout <<

"size of vector2: "

<< vector2.size() << endl;

26    cout <<

"maximum size of vector1: "

<< vector1.max_size() <<

endl;

27    cout <<

"maximum size of vector2: "

<< vector1.max_size() <<

endl;

28    vector1.swap(vector2);

29    cout <<

"size of vector1: "

<< vector1.size() << endl;

30    cout <<

"size of vector2: "

<< vector2.size() << endl;

31    cout <<

"vector1 < vector2? "

<< (vector1 < vector2)

32      << endl << endl;

33  

34    cout <<

"List: "

<< endl;

35    list1.push_back(

1

);

36    list1.push_back(

2

);

37    list2.push_back(

30

);

38    cout <<

"size of list1: "

<< list1.size() << endl;

39    cout <<

"size of list2: "

<< list2.size() << endl;

40    cout <<

"maximum size of list1: "

<< list1.max_size() << endl;

41    cout <<

"maximum size of list2: "

<< list2.max_size() << endl;

42    list1.swap(list2);

43    cout <<

"size of list1: "

<< list1.size() << endl;

44    cout <<

"size of list2: "

<< list2.size() << endl;

45    cout <<

"list1 < list2? "

<< (list1 < list2) << endl << endl;

46  

47    cout <<

"Deque: "

<< endl;

48    deque1.push_back(

1

);

49    deque1.push_back(

2

);

50    deque2.push_back(

30

);

51    cout <<

"size of deque1: "

<< deque1.size() << endl;

52    cout <<

"size of deque2: "

<< deque2.size() << endl;

53    cout <<

"maximum size of deque1: "

<< deque1.max_size() << endl;

54    cout <<

"maximum size of deque2: "

<< deque2.max_size() << endl;

55    list1.swap(list2);

56    cout <<

"size of deque1: "

<< deque1.size() << endl;

57    cout <<

"size of deque2: "

<< deque2.size() << endl;

58    cout <<

"deque1 < deque2? "

<< (deque1 < deque2) << endl << endl;

59  

60    cout <<

"Set: "

<< endl;

61    set1.insert(

1

);

6

62    set1.insert(

1

);

63    set1.insert(

2

);

64    set2.insert(

30

);

65    cout <<

"size of set1: "

<< set1.size() << endl;

66    cout <<

"size of set2: "

<< set2.size() << endl;

67    cout <<

"maximum size of set1: "

<< set1.max_size() << endl;

68    cout <<

"maximum size of set2: "

<< set2.max_size() << endl;

69    set1.swap(set2);

70    cout <<

"size of set1: "

<< set1.size() << endl;

71    cout <<

"size of set2: "

<< set2.size() << endl;

72    cout <<

"set1 < set2? "

<< (set1 < set2) << endl << endl;

73  

74    cout <<

"Multiset: "

<< endl;

75    multiset1.insert(

1

);

76    multiset1.insert(

1

);

77    multiset1.insert(

2

);

78    multiset2.insert(

30

);

79    cout <<

"size of multiset1: "

<< multiset1.size() << endl;

80    cout <<

"size of multiset2: "

<< multiset2.size() << endl;

81    cout <<

"maximum size of multiset1: "

<<

82          multiset1.max_size() << endl;

83    cout <<

"maximum size of multiset2: "

<<

84          multiset2.max_size() << endl;

85    multiset1.swap(multiset2);

86    cout <<

"size of multiset1: "

<< multiset1.size() << endl;

87    cout <<

"size of multiset2: "

<< multiset2.size() << endl;

88    cout <<

"multiset1 < multiset2? "

<<

89          (multiset1 < multiset2) << endl << endl;

90  

91    cout <<

"Stack: "

<< endl;

92    stack1.push(

1

);

93    stack1.push(

1

);

94    stack1.push(

2

);

95    stack2.push(

30

);

96    cout <<

"size of stack1: "

<< stack1.size() << endl;

97    cout <<

"size of stack2: "

<< stack2.size() << endl;

98    cout <<

"stack1 < stack2? "

<< (stack1 < stack2) << endl << endl;

99  

100    cout <<

"Queue: "

<< endl;

101    queue1.push(

1

);

102    queue1.push(

1

);

103    queue1.push(

2

);

104    queue2.push(

30

);

105    cout <<

"size of queue1: "

<< queue1.size() << endl;

106    cout <<

"size of queue2: "

<< queue2.size() << endl;

107    cout <<

"queue1 < queue2? "

<< (queue1 < queue2) << endl << endl;

108  

109   

return

0

;

110 }

Sample output

Vector:

size of vector1: 2

size of vector2: 1

maximum size of vector1: 1073741823

maximum size of vector2: 1073741823

size of vector1: 1

size of vector2: 2

7

vector1 < vector2? 0

List:

size of list1: 2

size of list2: 1

maximum size of list1: 4294967295

maximum size of list2: 4294967295

size of list1: 1

size of list2: 2

list1 < list2? 0

Deque:

size of deque1: 2

size of deque2: 1

maximum size of deque1: 4294967295

maximum size of deque2: 4294967295

size of deque1: 1

size of deque2: 2

deque1 < deque2? 0

Set:

size of set1: 2

size of set2: 1

maximum size of set1: 4294967295

maximum size of set2: 4294967295

size of set1: 1

size of set2: 2

set1 < set2? 0

Multiset:

size of multiset1: 3

size of multiset2: 1

maximum size of multiset1: 4294967295

maximum size of multiset2: 4294967295

size of multiset1: 1

size of multiset2: 3

multiset1 < multiset2? 0

Stack:

size of stack1: 3

size of stack2: 1

stack1 < stack2? 1

Queue:

size of queue1: 3

size of queue2: 1

queue1 < queue2? 1

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