Download ASIS.CPP.BrainDumps.2019-03-15.136q.vcex

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Number CPP
File Name ASIS.CPP.BrainDumps.2019-03-15.136q.vcex
Size 153 KB
Posted Mar 15, 2019
Download ASIS.CPP.BrainDumps.2019-03-15.136q.vcex

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Demo Questions

Question 1

What happens when you attempt to compile and run the following code? 
    #include <vector> 
    #include <iostream> 
    #include <algorithm> 
    using namespace std; 
    class B { int val; 
    public:
        B(int v):val(v)
        int getV() const {return val;}  bool operator < (const B & v) const { return val<v.val;} }; 
    ostream & operator <<(ostream & out, const B & v) { out<<v.getV(); return out;} 
     
    template<class T>struct Out { 
        ostream  & out; 
        Out(ostream & o): out(o)
        void operator() (const T & val ) { out<<val<<" "; } }; 
     
    int main() { 
        B t1[]={3,2,4,1,5}; 
        B t2[]={6,10,8,7,9}; 
        vector<B> v1(10); 
        sort(t1, t1+5); 
        sort(t2, t2+5); 
        merge(t1,t1+5,t2,t2+5,v1.begin()); 
        for_each(v1.begin(), v1.end(), Out<B>(cout));cout<<endl; 
        return 0; 
    } 
Program outputs:


  1. 1 2 3 4 5 6 10 8 7 9
  2. 3 2 4 1 5 6 7 8 9 10
  3. 3 2 4 1 5 6 10 8 7 9
  4. 1 2 3 4 5 6 7 8 9 10
  5. compilation error
Correct answer: E



Question 2

What happens when you attempt to compile and run the following code? 
    #include <vector> 
    #include <iostream> 
    #include <algorithm> 
    using namespace std; 
    template<class T>struct Out { 
        ostream  & out; 
        Out(ostream & o): out(o)
        void operator() (const T & val ) { out<<val<<" "; } }; 
     
    int main() { 
        int t[]={3,2,4,1,5,10,9,7,8,6}; 
        vector<int> v1(t,t+10); 
        cout<<*max_element(v1.begin(), v1.end()); 
        return 0; 
    } 
Program outputs:


  1. 3
  2. 1
  3. 6
  4. 10
  5. compilation error
Correct answer: D



Question 3

What happens when you attempt to compile and run the following code? 
    #include <iostream> 
    #include <algorithm> 
    #include <vector> 
    #include <deque> 
    #include <set> 
    using namespace std; 
     
    void myfunction(int i) { 
        cout << " " << i; 
    } 
     
    int main() { 
        int t[] = { 10, 5, 9, 6, 2, 4, 7, 8, 3, 1 }; 
        vector<int> v1(t, t + 10); 
        deque<int> d1(t, t + 10); 
        set<int> s1(t, t + 10); 
     
        for_each(v1.begin(), v1.end(), myfunction); // Line I 
     
        for_each(d1.begin(), d1.end(), myfunction);  // Line II 
     
        for_each(s1.begin(), s1.end(), myfunction);  // Line III 
        return 0; 
    }


  1. program outputs: 10 5 9 6 2 4 7 8 3 1 10 5 9 6 2 4 7 8 3 1 1 2 3 4 5 6 7 8 9 10
  2. program outputs: 10 5 9 6 2 4 7 8 3 1 10 5 9 6 2 4 7 8 3 1 10 5 9 6 2 4 7 8 3 1
  3. program outputs: 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10
  4. compilation error in line I
  5. compilation error in line III
Correct answer: A



Question 4

What happens when you attempt to compile and run the following code? 
    #include <iostream> 
    #include <algorithm> 
    #include <vector> 
    #include <set> 
    using namespace std; 
     
    void myfunction(int i) { 
        cout << " " << i; 
    } 
     
    int main() { 
        int t[] = { 10, 5, 9, 6, 2, 4, 7, 8, 3, 1 }; 
        set<int> s1(t, t+10); 
        vector<int> v1(s1.rbegin(), s1.rend()); 
        swap_ranges(s1.begin(), s1.end(), v1.begin()); 
        for_each(v1.begin(), v1.end(), myfunction); 
        for_each(s1.begin(), s1.end(), myfunction); 
        return 0; 
    } 
Program outputs:


  1. 10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10
  2. compilation error
  3. 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10
  4. 1 2 3 4 5 6 7 8 9 10 10 9 8 7 6 5 4 3 2 1
  5. 10 9 8 7 6 5 4 3 2 1 10 9 8 7 6 5 4 3 2 1
Correct answer: B



Question 5

What happens when you attempt to compile and run the following code? 
    #include <iostream> 
    #include <set> 
    #include <list> 
    using namespace std; 
    int main(){ 
        int t[] ={ 1, 1, 2, 2, 3, 3, 4, 4, 5, 5 }; 
        list<int>v(t, t+10); 
        set<int> s1(v.begin(),v.end()); 
        if (s1.count(3) == 2) { 
        s1.erase(3); 
        } 
        for(set<int>::iterator i=s1.begin();i!= s1.end(); i++) {
        cout<<*i<<" "; 
        } 
        return 0; 
    }


  1. program outputs: 1 2 3 4 5
  2. program outputs: 1 2 4 5
  3. program outputs: 1 1 2 2 3 4 4 5 5
  4. program outputs: 1 1 2 3 3 4 4 5 5
  5. compilation error
Correct answer: A



Question 6

What happens when you attempt to compile and run the following code? 
    #include <vector> 
    #include <iostream> 
    #include <algorithm> 
    using namespace std; 
    template<class T>struct Out { 
        ostream  & out; 
        Out(ostream & o): out(o)
        void operator() (const T & val ) { out<<val<<" "; } }; 
     
    int main() { 
        int t1[]={3,2,4,1,5}; 
        int t2[]={5,6,8,2,1}; 
        vector<int> v1(10); 
        sort(t1, t1+5); 
        sort(t2, t2+5); 
        set_union(t1,t1+5,t2,t2+5,v1.begin()); 
        for_each(v1.begin(), v1.end(), Out<int>(cout));cout<<endl; 
        return 0; 
    } 
Program outputs:


  1. 3 2 4 1 5 6 8 2 1 0
  2. 1 2 3 4 5 6 8 2 1 0
  3. 1 1 2 2 3 4 5 5 6 8
  4. 1 2 3 4 5 6 8 0 0 0
  5. compilation error
Correct answer: D



Question 7

What will happen when you attempt to compile and run the code below, assuming that you  enter the following sequence: 1 2 3 end<enter>?
    #include <iostream> 
    #include <string> 
    #include <list> 
    #include <algorithm> 
     
    using namespace std; 
     
    template<class T>struct Out { 
        ostream  & out; 
        Out(ostream & o): out(o)
        void operator() (const T & val ) {out<<val<<" "; } }; 
     
    int main () 
    { 
        list<int> l; 
        for( ; !cin.bad() ; ) 
        { 
        int i; 
        cin>>i; 
        l.push_back(i); 
        } 
        for_each(l.begin(), l.end(), Out<int>(cout)); 
        return 0; 
    } 
Program will output:


  1. 1 2 3
  2. 1 2 3 end
  3. 1
  4. compilation error
  5. program runs forever without output
Correct answer: E



Question 8

What happens when you attempt to compile and run the following code? 
    #include <iostream> 
    #include <map> 
    using namespace std; 
    int main() { 
        int t[] = { 1, 1, 2, 2, 3, 3, 4, 4, 5, 5 }; 
        string s[] = { "one", "one", "two", "two", "three","three", "four", "four", "five", "five"}; 
        map<int, string> m; 
        for (int i = 0; i < 10; i++) { 
        m.push_back(pair<int, string>(t[i], s[i])); 
        } 
     
        for (map<int, string>::iterator i = m.begin(); i != m.end(); i++) {
        cout << i?>first << " "; 
        } 
        return 0; 
    }


  1. program outputs: 1 2 3 4 5
  2. compilation error
  3. program outputs: 1 1 2 2 3 3 4 4 5 5
  4. program outputs: one two three four five
  5. program outputs: one one two two three three four four five five
Correct answer: B



Question 9

What happens when you attempt to compile and run the following code? 
    #include <deque> 
    #include <iostream> 
    #include <algorithm> 
    using namespace std; 
    class B { int val; 
    public:
        B(int v):val(v)
        int getV() const {return val;}  bool operator < (const B & v) const { return val<v.val;} }; 
    ostream & operator <<(ostream & out, const B & v) { out<<v.getV(); return out;} 
    template<class T>struct Out { 
        ostream  & out; 
        Out(ostream & o): out(o)
        void operator() (const T & val ) { out<<val<<" "; } }; 
    int main() { 
        int t[]={8, 10, 5, 1, 4, 6, 2, 7, 9, 3}; 
        deque<B> d1(t, t+10); 
        sort(d1.begin(), d1.end()); 
        deque<B>::iterator it = upper_bound(d1.begin(), d1.end(), B(4));
        for_each(it, d1.end(), Out<B>(cout)); cout<<endl; 
        return 0; 
    } 
Program outputs:


  1. 5 6 7 8 9 10
  2. 4 5 6 7 8 9 10
  3. 6 7 8 9 10
  4. 1 2 3 4 5
  5. 1 2 3 4
Correct answer: A



Question 10

What happens when you attempt to compile and run the following code? 
    #include <vector> 
    #include <iostream> 
    #include <algorithm> 
    using namespace std; 
    class B { int val; 
    public:
        B(int v):val(v)
        int getV() const {return val;}  bool operator < (const B & v) const { return val<v.val;} }; 
    ostream & operator <<(ostream & out, const B & v) { out<<v.getV(); return out;} 
    template<class T>struct Out { 
        ostream  & out; 
        Out(ostream & o): out(o)
        void operator() (const T & val ) { out<<val<<" "; } }; 
     
    int main() { 
        B t1[]={3,2,4,1,5}; 
        B t2[]={5,6,8,2,1}; 
        vector<B> v1(10,0); 
        sort(t1, t1+5); 
        sort(t2, t2+5); 
        set_symmetric_difference(t2,t2+5,t1,t1+5,v1.begin()); 
        for_each(v1.begin(), v1.end(), Out<B>(cout));cout<<endl; 
        return 0; 
    } 
Program outputs:


  1. 6 8 3 4 0 0 0 0 0 0
  2. 3 4 0 0 0 0 0 0 0 0
  3. 6 8 0 0 0 0 0 0 0 0
  4. compilation error
  5. 3 4 6 8 0 0 0 0 0 0
Correct answer: E









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