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DSA quiz

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Computers

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University

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Practice Problem

•

Hard

JEYASARAVANAN JEYASARAVANAN

Used 1+ times

FREE Resource

20 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

#include <stdio.h>
int main() {
int a = 5;
int b = a+++a;
printf("%d", b);
return 0;
}
What happens?

Prints 11

Prints 10

Compile error

Runtime error

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

#include <iostream>
using namespace std;
int main() {
int arr[3] = {1, 2, 3};
cout << arr[3];
return 0;
}
What happens?

Prints 0

Undefined behavior (may print garbage)

Compile error

Prints 3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

#include <stdio.h>
int main() {
char str[5] = "Hello";
printf("%s", str);
return 0;
}
What happens?

Prints Hello

Compile error: string too long

Prints Hell

Runtime error

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

#include <iostream>
using namespace std;
int main() {
int p = NULL;
cout << p;
}

Prints 0

Prints garbage

Compile error

Runtime segmentation fault

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

#include <stdio.h>
int main() {
int x = 10;
printf("%d", ++x++);
return 0;
}

Prints 12

Compile error

Prints 11

Undefined behavior

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

#include <iostream>
using namespace std;
int main() {
string s = "abc";
s[3] = 'd';
cout << s;
}

Prints abcd

Runtime error

Prints abc

Prints garbage

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

#include <stdio.h>
int main() {
int a = 5, b = 2;
printf("%d", a+++b);
return 0;
}

Compile error

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DSA quiz

20 questions

#include <stdio.h>
int main() {
int a = 5;
int b = a+++a;
printf("%d", b);
return 0;
}
What happens?

#include <iostream>
using namespace std;
int main() {
int arr[3] = {1, 2, 3};
cout << arr[3];
return 0;
}
What happens?

#include <stdio.h>
int main() {
char str[5] = "Hello";
printf("%s", str);
return 0;
}
What happens?

#include <iostream>
using namespace std;
int main() {
int p = NULL;
cout << p;
}

#include <stdio.h>
int main() {
int x = 10;
printf("%d", ++x++);
return 0;
}

#include <iostream>
using namespace std;
int main() {
string s = "abc";
s[3] = 'd';
cout << s;
}

#include <stdio.h>
int main() {
int a = 5, b = 2;
printf("%d", a+++b);
return 0;
}

#include <iostream>
using namespace std;
int main() {
int a = 10;
cout << a++ + ++a;
}

#include <stdio.h>
int main() {
int arr[] = {1, 2, 3, 4};
printf("%d", *(arr + 2));
}

#include <iostream>
using namespace std;
int main() {
string str = "Hello";
cout << str.length();
}

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DSA quiz

20 questions

#include <stdio.h>int main() { int a = 5; int b = a+++a; printf("%d", b); return 0;}What happens?

#include <iostream>using namespace std;int main() { int arr[3] = {1, 2, 3}; cout << arr[3]; return 0;}What happens?

#include <stdio.h>int main() { char str[5] = "Hello"; printf("%s", str); return 0;}What happens?

#include <iostream>using namespace std;int main() { int *p = NULL; cout << *p;}

#include <stdio.h>int main() { int x = 10; printf("%d", ++x++); return 0;}

#include <iostream>using namespace std;int main() { string s = "abc"; s[3] = 'd'; cout << s;}

#include <stdio.h>int main() { int a = 5, b = 2; printf("%d", a+++b); return 0;}

#include <iostream>using namespace std;int main() { int a = 10; cout << a++ + ++a;}

#include <stdio.h>int main() { int arr[] = {1, 2, 3, 4}; printf("%d", *(arr + 2));}

#include <iostream>using namespace std;int main() { string str = "Hello"; cout << str.length();}

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Discover more resources for Computers

#include <stdio.h>
int main() {
int a = 5;
int b = a+++a;
printf("%d", b);
return 0;
}
What happens?

#include <iostream>
using namespace std;
int main() {
int arr[3] = {1, 2, 3};
cout << arr[3];
return 0;
}
What happens?

#include <stdio.h>
int main() {
char str[5] = "Hello";
printf("%s", str);
return 0;
}
What happens?

#include <iostream>
using namespace std;
int main() {
int p = NULL;
cout << p;
}

#include <stdio.h>
int main() {
int x = 10;
printf("%d", ++x++);
return 0;
}

#include <iostream>
using namespace std;
int main() {
string s = "abc";
s[3] = 'd';
cout << s;
}

#include <stdio.h>
int main() {
int a = 5, b = 2;
printf("%d", a+++b);
return 0;
}

#include <iostream>
using namespace std;
int main() {
int a = 10;
cout << a++ + ++a;
}

#include <stdio.h>
int main() {
int arr[] = {1, 2, 3, 4};
printf("%d", *(arr + 2));
}

#include <iostream>
using namespace std;
int main() {
string str = "Hello";
cout << str.length();
}