Questions and Answers
- What is the output of this program?
#include <iostream>
#include <stack>
using namespace std;
int main ()
{
stack<int> StackData;
StackData.push(25);
StackData.push(45);
StackData.top() -= 5;
cout << StackData.top() << endl;
return 0;
}
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NA
Correct Option: A
In this program, We used top option and this will return the reference to the next element.
- What is the output of this program?
#include <iostream>
#include <string>
#include <bitset>
using namespace std;
int main ()
{
string Str;
bitset<5> BitsetData;
BitsetData.set();
Str = BitsetData.to_string<char, char_traits<char>,
allocator<char> >();
cout << Str ;
return 0;
}
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View Hint View Answer Discuss in Forum
NA
Correct Option: E
In this program, We converted the bitset values to string and printing it.
- How many items are presented in the associate container?
-
View Hint View Answer Discuss in Forum
NA
Correct Option: B
There are 4 items presented in the associate container. They are set, multiset, map and multimap.
- By using which of the following the elements in the associate container can be efficiently accessed?
-
View Hint View Answer Discuss in Forum
NA
Correct Option: B
Associative containers are designed to be especially efficient in accessing its elements by their key, as opposed to sequence containers which are more efficient in accessing elements by their position.
- What is the output of this program?
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
int main ()
{
vector<int> firstRow (4, 15);
vector<int> secondRow (4, 26);
vector<int>::iterator iter;
swap_ranges(firstRow.begin() + 1, firstRow.end() - 1, secondRow.begin());
cout << "First Row contains:";
for (iter = firstRow.begin(); iter != firstRow.end(); ++iter)
cout << " " << *it;
cout << "\nSecond Row contains:";
for (it = secondRow.begin(); it != secondRow.end(); ++it)
cout << " " << *it;
return 0;
}
-
View Hint View Answer Discuss in Forum
NA
Correct Option: C
In this program, We swapped the values according to their position.
