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RK

rajan

Founder & Programmer at HackersFriend Sept. 4, 2020, 1:16 p.m. ⋅ 286 views

5 Best Books for Competitive Programming

Competitive programming is key to improve your coding skills. It requires strong understanding of data structures, algorithms and the programming …


HS

harsh_shukla

Intern at Microsoft Sept. 3, 2020, 1:49 p.m. ⋅ 105 views

Reverse words in a given string

Let's take a string s,  we want to reverse its words. For example - 

Sample input 1

Hello HackersFriend …

RK

rajan

Founder & Programmer at HackersFriend Updated Aug. 30, 2020, 12:49 p.m. ⋅ 219 views

5 Analytical skills you must acquire as a data scientist

A Data scientist plays very crucial roles in industry. Their decisions drives the next steps of industry. As a Data …


DG

dhirendra_gupta

Student at BIT Mesra Aug. 30, 2020, 11:07 a.m. ⋅ 150 views

DXC Placement Code Snippets Output Based Questions with answers

1. What will be the output of following code :

int main()
{
  int a = NULL – true;
  printf(“%d”,a);
  return 0 …

DG

dhirendra_gupta

Student at BIT Mesra Aug. 30, 2020, 10:51 a.m. ⋅ 285 views

DXC Placement Technical Questions with answers

1. A programmer writes a program to find an element in the array A[5] with the elements: 8 30 …


DG

dhirendra_gupta

Student at BIT Mesra Aug. 30, 2020, 10:41 a.m. ⋅ 409 views

DXC Placement Logical Reasoning Questions with answers

1. P is 60 m South-East of Q. R is 60 m North-East of Q. Then R is in which …


DG

dhirendra_gupta

Student at BIT Mesra Aug. 30, 2020, 10:30 a.m. ⋅ 287 views

DXC Placement Aptitude Questions with answers

1. In a poultry farm, 50 hens give 200 eggs in 2 days. In how many days will 20 hens …


DG

dhirendra_gupta

Student at BIT Mesra Aug. 29, 2020, 9:55 a.m. ⋅ 145 views

Dell Placement Verbal Ability Questions with answers

Directions for Q-1 to Q-10 : Synonyms

1. ABSOLUTE

A. Division
B. Complete
C. Small
D. Half

Ans. B

2. ANTIPATHY …


DG

dhirendra_gupta

Student at BIT Mesra Aug. 29, 2020, 9:45 a.m. ⋅ 225 views

Dell Placement Logical Reasoning Questions with answers

1. Complete the following number series:

1, 1, 3, 9, 5, 25, 7, 49 _, 81

A. 7
B. 9 …


DG

dhirendra_gupta

Student at BIT Mesra Aug. 29, 2020, 9:42 a.m. ⋅ 320 views

Dell Placement Aptitude Questions with answers

1. A set contains all numbers from 1 to 250. If a number is picked at random, what is the …



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