C Plus Plus Miscellaneous - Study Mode
[#661] What will be the output of the following C++ code? #include <iostream>
#include <iomanip>
using namespace std
void showDate(int m, int d, int y)
{
cout << setfill('0')
cout << setw(2) << m << '/'
<< setw(2) << d << '/'
<< setw(4) << y << endl
}
int main()
{
showDate(1, 1, 2013)
return 0
}
Correct Answer
(C) 01/01/2013
[#662] What will be the output of the following C++ code? #include <iostream>
#include <string>
#include <cstdlib>
using namespace std
template<class T, class U = char>
class A
{
T a
U b
public:
A(T a_val, char b_val = '$'){
this->a = a_val
this->b = b_val
}
void print(){
cout<<a<<' '<<b<<endl
}
}
int main(int argc, char const *argv[])
{
A <int, int> a1(5,10)
A <int> a2(5)
A <float> a3(10.0)
a1.print()
a2.print()
a3.print()
return 0
}
Correct Answer
(A) 5 10 5 $ 10 $
[#663] What will be the output of the following C++ code? #include <iostream>
using namespace std
void Division(const double a, const double b)
int main()
{
double op1=0, op2=10
try
{
Division(op1, op2)
}
catch (const char* Str)
{
cout << "
Bad Operator: " << Str
}
return 0
}
void Division(const double a, const double b)
{
double res
if (b == 0)
throw "Division by zero not allowed"
res = a / b
cout << res
}
Correct Answer
(A) 0
[#664] What will be the output of the following C++ code? #include <iostream>
#include <functional>
#include <numeric>
using namespace std
int myaccumulator (int x, int y)
{
return x - y
}
int myproduct (int x, int y)
{
return x + y
}
int main ()
{
int a = 100
int series1[] = {10, 20, 30}
int series2[] = {1, 2, 3}
cout << inner_product(series1, series1 + 3, series2, a ,myaccumulator,
myproduct)
cout << endl
return 0
}
Correct Answer
(B) 34
[#665] What will be the output of the following C++ code? #include <iostream>
#include <vector>
#include <algorithm>
using namespace std
int main(int argc, char const *argv[])
{
vector <int> v = {1,5,23,90,15,35}
make_heap(v.begin(),v.end())
v.push_back(110)
push_heap(v.begin(), v.end())
pop_heap(v.begin(), v.end())
v.pop_back()
cout<<v.front()
}
Correct Answer
(A) 90