Prep Material CPP Economy PackFollowing products are included in package:
Exam Size : 228 Questions | |
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CPP Questions
What happens when you attempt to compile and run the following code? #include #include #include #include #include #include using namespace std; class B { int val; public: B(int v=0):val(v){} int getV() const {return val;} operator int() const { return val; };}; templatestruct Out { ostream & out; Out(ostream & o): out(o){} void operator() (const T & val ) {out<<setw(3)<<hex<<val; } }; int main () { int t[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; fstream f("test.out", ios::trunc|ios::out); list l(t, t+10); for_each(l.begin(), l.end(), Out(f)); f.close(); f.open("test.out"); for( ; f.good() ; ) { B i; f>>i; cout<<i<<" "; } f.close(); return 0; }- file test.out will be opened writing
- file test.out will be truncated
- file test.out will be opened for reading
- compilation error
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