Q141
Open questionWhich function is used to print the maximum element from Valarray?
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C++ Programming · all questionsC++ miscellaneous
C++ miscellaneous
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Q142
Open questionWhat is the use of tuple_cat() function?
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Q143
Open questionWhat will be the output of the following C++ code?
#include <iostream>
using namespace std;
template <class T>
T max (T& a, T& b)
{
return (a>b?a:b);
}
int main ()
{
int i = 5, j = 6, k;
long l = 10, m = 5, n;
k = max(i, j);
n = max(l, m);
cout << k << endl;
cout << n << endl;
return 0;
}Select an option to see the answer and solution.
Q144
Open questionWhen will the cin can start processing of input?
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Q145
Open questionWhat are Random-access Iterators?
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Q146
Open questionHow many types of loops are there in C++?
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Q147
Open questionWhat does this template function indicates?
==================
template<class T>
T func(T a)
{
cout<<a;
}
==================Select an option to see the answer and solution.
Q148
Open questionWhat does the second parameter of the main function represent?
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Q149
Open questionWhich header file is used to manipulate the vector algebra in c++?
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Q150
Open questionWhich function is used to get the imaginary part of the complex number?
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Q151
Open questionWhat do associate containers implement?
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Q152
Open questionvptr is . . . . . . . .
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Q153
Open questionWhat is linear_congruential_engine?
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Q154
Open questionWhat will be the output of the following C++ code?
#include <iostream>
using namespace std;
struct A
{
private:
int i, j, k;
public:
int f();
void g();
};
int A :: f()
{
return i + j + k;
}
void A :: g()
{
i = j = k = 0;
}
class B
{
int i, j, k;
public:
int f();
void g();
};
int B :: f()
{
return i + j + k;
}
void B :: g()
{
i = j = k = 0;
}
int main()
{
A a;
B b;
a.f();
a.g();
b.f();
b.g();
cout << "Identical results would be produced";
}Select an option to see the answer and solution.
Q155
Open questionWhich container is best to keep the collection of distinct elements?
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Q156
Open questionWhat will be the output of the following C++ code?
#include <iostream>
#include <cmath>
#include <list>
using namespace std;
bool same_integral_part (double first, double second)
{
return ( int(first) == int(second) );
}
struct is_near
{
bool operator() (double first, double second)
{
return (fabs(first - second) < 5.0);
}
};
int main ()
{
double mydoubles[] = { 12.15, 2.72, 73.0, 12.77, 3.14, 12.77, 73.35, 72.25, 15.3, 72.25 };
list<double> mylist (mydoubles, mydoubles + 10);
mylist.sort();
mylist.unique();
mylist.unique (same_integral_part);
mylist.unique (is_near());
for (list<double> :: iterator it = mylist.begin(); it != mylist.end(); ++it)
cout << ' ' << *it;
cout << '\n';
return 0;
}Select an option to see the answer and solution.
Q157
Open questionWhat do you mean by "No exception specification"?
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Q158
Open questionWhat is a pair?
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Q159
Open questionWhat will be the output of the following C++ code?
#include<iostream>
#include<any>
using namespace std;
int main()
{
float val = 5.5;
any var(val);
cout<<any_cast<float>(var)<<endl;
var.reset();
if(!var.has_value())
{
cout<<"var is empty\n";
}
else{
cout<<"var is not empty\n";
}
return 0;
}Select an option to see the answer and solution.
Q160
Open questionWhich operations don't throw anything?
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