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",
"15",
"Compilation error",
"5"
] | 1 | B | test | Syntax and punctuation variations | eng_Latn | C | Extra semicolons: | 67-1.11 | 67 | 1.11 | |
What will this code output?
#include <stdio.h>
int main() {
int x = 10;
int *ptr = &x;
(*ptr) = (*ptr) + 5;
printf("%d", x);
return 0;
} | [
"15",
"10",
"5",
"20"
] | 0 | A | test | Syntax and punctuation variations | eng_Latn | C | Extra parentheses | 67-1.12 | 67 | 1.12 | |
What will this code output?
#include <stdio.h>
int main() {
int x = 10;
int *ptr = &x;
*ptr = *ptr + 5 * 2;
printf("%d", x);
return 0;
} | [
"15",
"10",
"20",
"25"
] | 2 | C | test | Syntax and punctuation variations | eng_Latn | C | Operator precedence | 67-1.13 | 67 | 1.13 | |
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 | test | Syntax and punctuation variations | eng_Latn | C# | Extra semicolons | 69-1.14 | 69 | 1.14 | |
What will this code output?
class Program {
static void Main() {
int x = 10;
ref int ptr = ref x;
ptr = ptr + 5;
System.Console.WriteLine(x);
}
} | [
"10",
"5",
"15",
"20"
] | 2 | C | test | Syntax and punctuation variations | eng_Latn | C# | Explicit namespace | 69-1.15 | 69 | 1.15 | |
What will this code output? | [
"10",
"5",
"15",
"20"
] | 2 | C | test | Syntax and punctuation variations | eng_Latn | C# | var keyword | 69-1.6 | 69 | 1.6 | |
What will this code output?
using System;
class Program {
static void Main() {
System.Int32 x = 10;
ref System.Int32 ptr = ref x;
ptr = ptr + 5;
Console.WriteLine(x);
}
} | [
"10",
"5",
"20",
"15"
] | 3 | D | test | Syntax and punctuation variations | eng_Latn | C# | explicit types | 69-1.7 | 69 | 1.7 | |
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",
"5",
"15",
"20"
] | 2 | C | test | Syntax and punctuation variations | eng_Latn | C++ | Extra semicolons | 68-1.15 | 68 | 1.15 | |
What will this code output?
#include <iostream>
using namespace std;
int main() {
int x = 10;
int *ptr = &x;
*ptr = *ptr + 5;
::std::cout << x;
return 0;
} | [
"10",
"5",
"20",
"15"
] | 3 | D | test | Syntax and punctuation variations | eng_Latn | C++ | Scope resolution | 68-1.16 | 68 | 1.16 | |
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 | test | Syntax and punctuation variations | eng_Latn | C++ | Reference vs pointer confusion | 68-1.17 | 68 | 1.17 | |
What will this code output?
#include <iostream>
int main() {
int x = 10;
int *ptr = &x;
*ptr = *ptr + 5;
std::cout << x;
return 0;
} | [
"10",
"5",
"20",
"15"
] | 3 | D | test | Syntax and punctuation variations | eng_Latn | C++ | Namespace std | 68-1.18 | 68 | 1.18 | |
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 | test | Syntax and punctuation variations | eng_Latn | C++ | Extra braces | 68-1.19 | 68 | 1.19 | |
What will this code output?
#include <iostream>
using namespace std;
int main() {
auto x = 10;
auto *ptr = &x;
*ptr = *ptr + 5;
cout << x;
return 0;
} | [
"10",
"15",
"5",
"20"
] | 1 | B | test | Syntax and punctuation variations | eng_Latn | C++ | Keywords | 68-1.7 | 68 | 1.7 | |
What will this code output?
#include <iostream>
using namespace std;
int main() {
int x = 10;
int *const ptr = &x;
*ptr = *ptr + 5;
cout << x;
return 0;
} | [
"10",
"5",
"15",
"20"
] | 2 | C | test | Syntax and punctuation variations | eng_Latn | C++ | Const reference | 68-1.8 | 68 | 1.8 | |
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);
}
} | [
"Compilation error",
"9",
"12",
"5"
] | 2 | C | test | Syntax and punctuation variations | eng_Latn | java | Double semicolons | 66-1.16 | 66 | 1.16 | |
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",
"9",
"5",
"12"
] | 3 | D | test | Syntax and punctuation variations, Whitespace variations | eng_Latn | java | Semicolon at next line | 66-1.18 | 66 | 1.18 |
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