CPA Chapter 2 Assessment Online 100%

1. Question

1 points

What is the output of the following snippet? int i = 0, j = i++, k = --i; if(i > 0) j++; else k++; if(k == 0) i++; else if(k > 0) k--; else k++; cout << i * j * k;

0
-1
2
1

2. Question

1 points

What is the output of the following snippet? int i = 1, j = i++, k = --i; if(i > 0) { j++; k++; } else { k++; i++; } if(k == 0) { i++; j++; } else { if(k > 0) k--; else k++; i++; } cout << i * j * k;

2
4
8
0

3. Question

1 points

What is the output of the following snippet? double big = 1e15; double small = 1e-15; cout << fixed << big + small;

0.0
1000000000000000.000000
1.01e15
1000000000000000.0000000000000001

4. Question

1 points

What is the output of the following snippet? bool yes = !false; bool no = !yes; if(!no) cout << "true"; else cout << "false" ;

not
yes
true
false

5. Question

1 points

What is the output of the following snippet? #include <iostream> using namespace std; int main() { int i = 5, j = 0; while(i > 0) { i--; j++; } cout << j; return 0; }

4
5
2
3

6. Question

1 points

What is the output of the following snippet? #include <iostream> using namespace std; int main() { int i = 3, j = 0; do { i--; j++; } while(i >= 0); cout << j; return 0; }

4
2
3
5

7. Question

1 points

What is the output of the following snippet? #include <iostream> using namespace std; int main() { float val = 100.0; do { val = val / 5; cout << "*"; } while(val > 1.0); return 0; }

**
***
*****
****

8. Question

1 points

What is the output of the following snippet? #include <iostream> using namespace std; int main() { for(float val = -10.0; val < 100.0; val = -val * 2) cout << "*"; return 0; }

***
****
*****
**

9. Question

1 points

What is the output of the following snippet? #include <iostream> using namespace std; int main() { for(float val = -10.0; val < 100.0; val = -val * 2) { if(val < 0 && -val >= 40) break; cout << "*"; } return 0; }

****
**
*****
***

10. Question

1 points

What is the output of the following snippet? #include <iostream> using namespace std; int main() { int a = 1, b = 2; int c = a | b; int d = c & a; int e = d ^ 0; cout << e << d << c; return 0; }

113
100
131
031

11. Question

1 points

What is the output of the following snippet? #include <iostream> using namespace std; int main() { int a = 1, b = 2; int c = a << b; int d = 1 << c; int e = d >> d; cout << e; return 0; }

2
0
4
1

12. Question

1 points

What is the output of the following snippet? #include <iostream> using namespace std; int main() { int a = 2; switch(a << a) { case 8 : a++; case 4 : a++; case 2 : break; case 1 : a--; } cout << a; return 0; }

3
2
5
4

13. Question

1 points

What is the output of the following snippet? #include <iostream> using namespace std; int main() { int t[] = { 8, 4, 3, 2, 1 }, i; for(i = t[4]; i < t[0]; i++) t[i - 1] = -t[3]; cout << i; return 0; }

4
3
2
5

14. Question

1 points

What is the output of the following snippet? #include <iostream> using namespace std; int main() { bool t[5]; for(int i = 0; i < 5; i++) t[4 - i] = !(i % 2); cout << t[0] && t[2]; return 0; }

true
0
1
false

15. Question

1 points

What is the output of the following snippet? #include <iostream> using namespace std; int main() { int a[] = {4, 0, 3, 1, 2}; int b[] = {1, 2, 3, 4, 5}; for(int i = 0; i < 5; i++) b[a[i]] = b[4 - i]; cout << b[0] << b[4]; return 0; }

54
15
45
51

16. Question

1 points

What is the output of the following snippet? #include <iostream> using namespace std; int main() { int g[3][3] = {{2, 4, 8}, {3, 6, 9}, {5, 10, 15}}; for(int i = 2; i >= 0; i--) for(int j = 0; j < 3; j++) g[i][j] += g[j][i]; cout << g[1][1]; return 0; }

9
12
6
15

17. Question

1 points

What is the output of the following snippet? #include <iostream> using namespace std; struct str { int t[3]; char s[3]; }; int main() { str a = { 1, 2, 3, 'a', 'b', 'c' }; str b = { 5, 6, 7, 'x', 'y', 'z' }; cout << char(b.s[0] + a.t[0]) << int(a.s[2] - a.s[0]) << int(b.s[2] - b.s[1]); return 0; }

z22
a11
y21
b12

18. Question

1 points

What is the output of the following snippet? #include <iostream> using namespace std; struct str { int t[3]; char s[3]; }; int main() { str z[3]; for(int i = 0; i < 3; i++) for(int j = 0; j < 3; j++) { z[i].s[j] = '0' + i + j; z[j].t[i] = i + j; } cout << z[0].s[1] << z[1].t[2] << z[2].s[0]; return 0; }

312
032
123
132

19. Question

1 points

What is the output of the following snippet? #include <iostream> using namespace std; struct sct { int t[2]; }; struct str { sct t[2]; }; int main() { str t[2] = { {0, 2, 4, 6}, {1, 3, 5, 7} }; cout << t[1].t[0].t[1] << t[0].t[1].t[0]; return 0; }

43
34
52
25

20. Question

1 points

What is the output of the following snippet? #include <iostream> using namespace std; int main() { char arr[5] = { 'a', 'b', 'c', 'd', 'e' }; for(int i = 1; i < 5; i++) { cout << "*"; if((arr[i] - arr[i - 1]) % 2) continue; cout << "*"; } return 0; }

******
*******
*****
****

CPA Chapter 2 Assessment Online 100%