Exam (elaborations)
CPA AnswerSheet Programming Essentials in C++ Chapter 4 Assessment
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CPA AnswerSheet Programming Essentials in C++ Chapter 4 Assessment
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CPA Chapter 4 Assessment Answers 100%1. What happens when you attempt to compile and run
the following code?
#include <iostream>
using namespace std;
int main() {
char t[3][3], *p = (char *)t;
for(int i = 0; i < 9; i++)
*p++ = ‘a’ + i;
cout << t[1][1];
return 0;
}
It prints g
It prints c
Compilation fails
It prints e
2. What happens when you attempt to compile and run the
following code?
#include <iostream>
using namespace std;
int main() {
float *ft[3] = { new float[3], new float[3], new float[3] }, *p;
for(int i = 0; i < 3; i++) {
p = ft[i];
*p = p[1] = *(p + 2) = 10 * i;
}
cout << ft[1][1];
delete [] ft[0];
delete [] ft[1];
delete [] ft[2];
return 0;
}
It prints 20
It prints 30
It prints 10
Compilation fails
, 3. What happens when you attempt to compile and run the
following code?
#include <iostream>
using namespace std;
int main() {
int *it[3];
for(int i = 0; i < 3; i++) {
it[i] = new int [i + 1];
for(int j = 0; j < i + 1; j++)
it[i][j] = 10 * i + j;
}
cout << it[2][2];
for(int i = 0; i < 3; i++)
delete [] it[i];
return 0;
}
It prints 33
It prints 22
It prints 11
Compilation fails
4. What happens when you attempt to compile and run the
following code?
#include <iostream>
using namespace std;
int main() {
short s = 1;
int i = 2;
long l = 3;
float f = 4.4;
double d = 6.6;
cout << s/i + f/i + d/s;
return 0;
}
It prints 4.4
Compilation fails
It prints 6.6
It prints 8.8
5. What happens when you attempt to compile and run the
following code?
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