8. Write and run a program that reads the user's age and then prints "You are a child." if the age < 18, “You are an adult." if 18 < age < 65, and "You are a senior citizen." if age 2 65.

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8. Write and run a program that reads the user's age and then prints "You
are a child." if the age < 18, "You are an adult." if 18 < age < 65, and
"You are a senior citizen." if age > 65.
9. How is the following expression evaluated?
(x < y ? -1 : (x == y ? 0 : 1) );
10.What is wrong with the following codes:
a) if (x = 0) cout << x << "x = 0\n";
else cout << x << " x # 0\n";
b) if (x < y < z) cout << "x is the smallest";
c) if x > y min=x
else min=y;
d) cout <<"Enter n: ";
cin >> n;
if (n < 0)
cout << "That is negative. Try again.\n";
cin >> n;
else
cout << "o.k. n =
<< n << endl;
e) if (x == 0)
if (y == 0) cout << "x and y are both zero.\n";
else cout << "x is not zero.\n";
Transcribed Image Text:8. Write and run a program that reads the user's age and then prints "You are a child." if the age < 18, "You are an adult." if 18 < age < 65, and "You are a senior citizen." if age > 65. 9. How is the following expression evaluated? (x < y ? -1 : (x == y ? 0 : 1) ); 10.What is wrong with the following codes: a) if (x = 0) cout << x << "x = 0\n"; else cout << x << " x # 0\n"; b) if (x < y < z) cout << "x is the smallest"; c) if x > y min=x else min=y; d) cout <<"Enter n: "; cin >> n; if (n < 0) cout << "That is negative. Try again.\n"; cin >> n; else cout << "o.k. n = << n << endl; e) if (x == 0) if (y == 0) cout << "x and y are both zero.\n"; else cout << "x is not zero.\n";
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