question
string
choices
list
answer
int64
answer_label
string
split
string
subcategories
string
lang
string
second_lang
string
coding_lang
string
notes
string
id
string
set_id
float64
variation_id
string
What will this code output? #include <stdio.h> int main() { int x = 10; int *ptr = &x; *ptr = *ptr + 5; printf("%d", x); return 0; }
[ "10", "5", "15", "20" ]
2
C
dev
Cannonical
eng_Latn
C
67-1.0
67
1.0
What will this code output? using System; class Program { static void Main() { int x = 10; ref int ptr = ref x; ptr = ptr + 5; Console.WriteLine(x); } }
[ "10", "15", "5", "20" ]
1
B
dev
Cannonical
eng_Latn
C#
69-1.0
69
1.0
What will this code output? #include <iostream> using namespace std; int main() { int x = 10; int *ptr = &x; *ptr = *ptr + 5; cout << x; return 0; }
[ "10", "15", "5", "20" ]
1
B
dev
Cannonical
eng_Latn
C++
68-1.0
68
1.0
What will this code output? public class Test { public static void main(String[] args) { int[] arr = {3, 1, 4, 1, 5}; int sum = 0; for (int i = 0; i < arr.length; i += 2) { sum += arr[i]; } System.out.println(sum); } }
[ "14", "12", "9", "5" ]
1
B
dev
Cannonical
eng_Latn
java
The function sums elements at even indices
66-1.0
66
1.0
What will this code output? def mystery(n): if n <= 0: return 0 if n == 1: return 1 return mystery(n-1) + mystery(n-2) print(mystery(6))
[ "5", "8", "6", "13" ]
1
B
dev
Cannonical
eng_Latn
python
The function outputs the n-th Fibonacci number
65-1.0
65
1.0