What Does This C++ Code Do? - Click Quiz

You are given 12 different pieces of C++ code. Try to match each one with what it does.

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Last updated: December 1, 2023

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First submitted	December 1, 2023
Times taken	7
Average score	66.7%
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int a, b;

cin >> a >> b;

cout << (a < b ? a : b) << endl;

string a;

getline(cin, a);

for(int i = a.length() - 1; i >= 0; i--) cout << a[i];

cout << endl;

int a, b;

cin >> a >> b;

cout << a + b << endl;

int a[5] = {1, 2, 3, 4, 5}, r = 0;

for(int i = 0; i < 5; i++) { if(a[i] % 2 == 1) r += a[i]; }

cout << r << endl;

string a;

getline(cin, a);

for(int i = 0; i < a.length(); i++) { if(i % 2 == 0) cout << a[i]; }

cout << endl;

int a, b;

cin >> a >> b;

cout << (a > b ? a : b) << endl;

int a[5] = {1, 2, 3, 4, 5}, r = 0;

for(int i = 0; i < 5; i++) r += a[i];

cout << r << endl;

int a = 1, b = 1;

cout << a << ' ' << b << ' ';

for(int i = 3; i <= 10; i++) { int t = a; a = b; b = t; a = a + b; cout << a << ' '; }

cout << endl;

int a[5] = {1, 2, 3, 4, 5}, r = 0;

for(int i = 0; i < 5; i++) { if(a[i] % 2 == 0) r += a[i]; }

cout << r << endl;

int a, b;

cin >> a >> b;

cout << a * b << endl;

string a, b;

getline(cin, a);

for(int i = 0; i < a.length(); i++) { if(a[i] >= 'A' && a[i] <= 'Z') b += a[i]; }

cout << b << endl;

int a[5] = {1, 2, 3, 4, 5}, r = 0;

for(int i = 0; i < 5; i++) r += a[i];

r /= sizeof(a) / sizeof(a[0]);

cout << r << endl;

Prints the average of an array of integers

Prints the first 10 numbers in the Fibonacci sequence

Prints the sum of all even numbers in an array of integers

Prints the sum of all odd numbers in an array of integers

Prints the sum of an array of integers

Reads a string from stdin and prints every other character

Reads a string from stdin and prints it out in reverse

Reads a string from stdin, discards all chars that aren't uppercase letters, then prints the new string

Reads two integers from stdin and prints the maximum of those integers

Reads two integers from stdin and prints the minimum of those integers

Reads two integers from stdin and prints their product

Reads two integers from stdin and prints their sum

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