By default, which type of heap is being used by priority_queue<int> in c++ stl ?

Why we use the “dynamic_cast” type conversion?

What will be the Output of the Following Code?

int main()

{

  string s="abc";

  if(s == "abc"){

    cout<<"pass";

  }

  else{

    cout<<"Fail";

  }

  return 0;

}

What is the output of the following C program?

#include <stdio.h>

int main()

{

  int x = 5;

  int y = 10;

  int z = x * y;

  if (z > 20) {

    printf("%d", z);

  } else {

    printf("%d", x + y);

  }

  return 0;

}

What is the output of the following code?

#include<iostream>
using namespace std;

int main() {
  
	bool a = 1;
	for (a = 1; a <= 5; ++a)
	{
		printf("%d", a);
	}
  return 0;
}

What is the main purpose of the "main" function in a C programming language?

EXAMPLE:

int main()

{

  printf("Hello, World!");

  return 0;

}

Which of the following statements presents the accurate syntax for declaring a function in the C programming language?

What is the output of the following C program?

#include <stdio.h>

int main()

{

  int i, j;

  for (i = 1; i <= 5; i++) {

    for (j = 1; j <= 5; j++) {

      if (i + j == 6) {

        printf("%d, %d\n", i, j);

      }

    }

  }

  return 0;

}

What is the output of the code ?

Input :-

n = 7

[6 3 2 7 1 8 3]

#include <bits/stdc++.h>

using namespace std;

int main()

{

  stack<int>st;

  int n;

  cin>>n;

  for(int i=0;i<n;i++)

  {

    int a;

    cin>>a;

    while(!st.empty() && st.top()>a)

    {

      st.pop();

    }

    st.push(a);

  }

  while(!st.empty())

  {

    cout<<st.top()<<" ";

    st.pop();

  }

}

What is the output of the following code ?

#include <bits/stdc++.h>

using namespace std;

int main()

{

  set<int>st({4,3,7,2,8});

  for(auto it : st)

  {

    cout<<it<<" ";

  }

  cout<<endl;

  auto ind=st.lower_bound(1);

  cout<<(*ind)<<endl;

  st.erase(ind);

  for(auto it : st)

  {

    cout<<it<<" ";

  }

  cout<<(*st.begin())<<endl;

}