What will be the output of the following C++ code?
#include <iostream>
#include <map>
using namespace std;
int main ()
{
try {
map<char, int> mymap;
map<char, int> :: iterator it;
mymap['a'] = 50;
mymap['b'] = 100;
mymap['c'] = 150;
mymap['d'] = 200;
it = mymap.find('b');
mymap.erase (it);
mymap.erase (mymap.find('d'));
cout << mymap.find('a') -> second << '\n';
}
catch (...)
{
cout << "Unknown exception: " << endl;
}
return 0;
}
#include <iostream>
#include <map>
using namespace std;
int main ()
{
try {
map<char, int> mymap;
map<char, int> :: iterator it;
mymap['a'] = 50;
mymap['b'] = 100;
mymap['c'] = 150;
mymap['d'] = 200;
it = mymap.find('b');
mymap.erase (it);
mymap.erase (mymap.find('d'));
cout << mymap.find('a') -> second << '\n';
}
catch (...)
{
cout << "Unknown exception: " << endl;
}
return 0;
}A. 50
B. 100
C. 150
D. Exception
Answer: Option A
This Question Belongs to C Plus Plus Programming >> C Plus Plus Miscellaneous
What does the 'sizeof' operator return in C++?
A. Size of a data type in bits
B. Size of a data type in bytes
C. Size of a variable in bytes
D. Size of a variable in bits
What is the purpose of the 'static' keyword in C++?
A. To declare a variable with dynamic storage duration
B. To declare a constant
C. To declare a variable with external linkage
D. To declare a variable with static storage duration
What is the difference between '++i' and 'i++' in C++?
A. None of the above
B. They both have the same effect
C. '++i' increments the value of 'i' before returning it, while 'i++' increments the value of 'i' after returning it
D. '++i' increments the value of 'i' after returning it, while 'i++' increments the value of 'i' before returning it
Join The Discussion