Exam (elaborations)
COS1511 assignment 3 2023
- Institution
- University Of South Africa (Unisa)
solutions for COS1511 assignment 3 2023 95%
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UNISA 2023 COS1511-23-Y Welcome to COS1511 Module Site Assessment 3QUIZ
Question 1
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Consider the following struct definition:
struct temp {
int b; };
temp s[50];
The correct syntax to access the member of the ith structure in the array of
structures is?
a. s.b.[i];
b. s.[i].b;
c. s.b[i];
d. s[i].b;
Clear my choice
Question 2
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Given the declaration below, which statement assigns the element in the first
row and first column a value of 99?
int scores[3][2] = {0};
a. scores[1][1] = 99;
b. scores[0][0] = '99';
c. scores[0][0] = 99;
d. scores[1][1] = "99";
Clear my choice
,Question 3
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Which of the following function header lines is valid for a function called
findMax that finds and returns the maximum value stored in an array of integers
that is passed in as a parameter?
a. int findMax(int [])
b. int findMax(int values[])
c. int findMax(int)
d. int findMax([])
Clear my choice
Question 4
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Given the declarations below, using the find function, write the statements to
search the number string variable to determine if the sequence "123" exists. The
location should be placed in the position variable.
int position = 0;
string number = "1234567890";
a. position = number.find(123);
b. find("123", 0);
c. position = number.find("123", 0);
d. find(number("123", 0), position);
Clear my choice
, Question 5
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Which one of the following options represents the output of the program below?
struct play
{
int score, bonus;
};
void calculate(play &p, int n = 10)
{
p.score++;
p.bonus += n;
}
int main()
{
play pl = {10, 15};
calculate(pl, 5);
cout << pl.score << ":" << pl.bonus << endl;
calculate(pl);
cout << pl.score << ":" << pl.bonus << endl;
calculate(pl, 15);
cout << pl.score << ":" << pl.bonus << endl;
return 0;
}
a. 11:20
12:30
13:45
b. 16:10
17:40
18:55
c. 10:20
11:30
12:45
d. 11:10
12:20
13:35
Clear my choice
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