what is the output the following code?#include using namespace std;class A1 { public: int a; static int b;A1(); ~A1();}; 4class A2 { public: int a; char c; A2(); ~A2();}; 8class A3 { public: float a; char c; A3(); ~A3();}; 8class A4 { public: float a; int...
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How does source code get executed by a computer? Source code is written as human-readable text, so it must be translated into machine language using a compiler or interpreter before it can be executed by a computer.
auto values = std::forward_as_tuple(x, std::string(L"hello"));std::get<1>(values); // dangling reference to destructed string The purpose ofstd::forward_as_tupleis to wrap up a bunch of parameters, probably a parameter pack, into a single object that can be passed as a single no...
cin>>n>>x; int A[n]; for(int i=0;i<n;i++) cin>>A[i]; int b=subsum(A,n,0,0,x); if(x==0) b++; cout<<b; return 0; } Given an array A of N elements and an integer K , we want you to calculate the number of subsets of A whose sum of elements is equal to...
From the function names on the stack, we can pull out that this code is waiting for astd::futureto become ready. (Lots of the names are strong hints, but the giveaway is_Future_awaiter.) Let’s look at howoperator co_awaitis implemented forstd::future: ...
A nice way to get the most out of these examples, in my opinion, is to read them in sequential order, and for every example:Carefully read the initial code for setting up the example. If you're an experienced Python programmer, you'll successfully anticipate what's going to happen next...
What is an example of a crash? How destructive is it? Here’s a simple example. MyFunction takes a string parameter and calculates its length MyFunction (char * StringParam) { int nlen; // declare an integer variable nlen = strlen(StringParam); <more code> } Doesn’t look like ...
what is the mistake in this code? #include <iostream> using namespace std; int main() { int rows; cout<<"enter no. of rows required to print pyramid"; cin>>rows; for(int a=1; a<=rows; a++) { for(int b=a; b<rows; b++) { cout<<" "; } for(int c=1; c<=(2a-1)...
cout << "It is not economical to use this vehicle " << endl; } else { float numFillups = (mileage / (NUM_GALLONS*mpg)); std:cout << " # of fill ups = " << numFillups << endl;}}return 0; }Upvote • 0 Downvote Add comment Still looking for help? Get the right answer...