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U
Uday Singh ·
Tutor III · 6.28K points
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(A) va_start
(B) va_arg
(C) va_list
(D) All of above
U
Uday Singh ·
Tutor III · 6.28K points
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Code:
#include 
    #include 
    using namespace std;
    void function(std::string message, ...);
    int main()
    {
        function("UdayMCQBuddy", 5, 7, 10, 8, 9);
        return 0;
    }
    void function(std::string message, ...)
    {
        va_list ptr;
        int number;
        va_start(ptr, message);
        number = va_arg(ptr, int);
        number = va_arg(ptr, int);
        cout << number;
    }
(A) UdayMCQBuddy
(B) 5
(C) 7
(D) 8
U
Uday Singh ·
Tutor III · 6.28K points
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(A) stdio.h
(B) varag.h
(C) stdarg.h
(D) stdlib.h
U
Uday Singh ·
Tutor III · 6.28K points
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Code:
#include 
    #include 
    using namespace std;
    int funcion(char ch,...);
    int main()
    {
        int p, q;
        p = funcion('B', 2, 3, 4);
        q = funcion('3', 2.0, 2, '3', 2.0f, 10);
        cout << p<<" " << q;
        return 0;
    }
    int funcion(char ch,...)
    {
        return ch;
    }
(A) 51 66
(B) 66 51
(C) Compilation Error
(D) Runtime Error
U
Uday Singh ·
Tutor III · 6.28K points
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Code:
#include 
    #include 
    using namespace std;
    void List(int, ...);
    int main()
    {
        List(2, 5, 10);
        List(3, 6, 9, 7);
        return 0;
    }
    void List(int num, ...)
    {
        va_list a;
        int k;
        va_start(a, num);
        while (num-->0) 
        {
            k = va_arg(a, int);
            cout << k;
        }
        va_end(a);
    }
(A) 2 5 10 3 6 9 7
(B) 2 3 5 6 7 9 10
(C) 10 9 7 6 5 3 2
(D) 5 10 6 9 7
U
Uday Singh ·
Tutor III · 6.28K points
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Code:
#include 
    #include 
    using namespace std;
    int Addition(int number, ...)
    {
        int sum = 0;
        va_list args;
        va_start (args,number);
        for (int i = 0; i < number; i++) 
        {
            int number = va_arg (args,int);
            sum += number;
        }
        va_end (args);
        return sum;
    }
    int main (void)
    {
        int Result = Addition(1, 10, 9, -1, 13, 23, -2, 9, 17);
        cout << "The result is " << Result;
        return 0;
    }
(A) 1
(B) 5
(C) 10
(D) 20
U
Uday Singh ·
Tutor III · 6.28K points
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(A) 16
(B) 256
(C) 255
(D) 64
U
Uday Singh ·
Tutor III · 6.28K points
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Code:
#include 
    #include 
    using namespace std;
    float avg( int Count, ... )
    {
        va_list num;
        va_start(num, Count);
        int Sum = 0;
        for (int i = 0; i < Count; ++i )
            Sum += va_arg(num, int);
        va_end(num);
        return (Sum/Count);
    }
    int main()
    {
        float AVG = avg(5, 0, 1, 2, 3, 4);
        cout << "Average of first 5 whole numbers : " << AVG;
        return 0;
    }
(A) 2
(B) 3
(C) 4
(D) 5

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