Jean-Marie Sainthillier

15

Rank

74

Badges

36491

Score

View Community Profile

201 – 250 of 3,201

Problem 54094. Check if a matrix Diagonal is equal to its secondary diagonal

Created by: Bernardo Cardoso de Aquino Cruz

Tags matrix manipulation, matrix

1

Solution

17

Size

1

Solution

17

Size

Problem 43050. Maximum of ND-array

Created by: elias GR

Tags max;, maximum;, array;

1

Solution

12

Size

1

Solution

12

Size

Problem 47548. decipher the number 1 - same key for all digits :)

Created by: Sibi

Tags dechiper

1

Solution

37

Size

1

Solution

37

Size

Problem 52397. Find the nth composite number.

Created by: Apurbo Roy Chowdhury

Tags primes, nthprime

1

Solution

19

Size

1

Solution

19

Size

Problem 49860. Consecutive Prime Numbers

Created by: Doddy Kastanya

Tags prime number

1

Solution

30

Size

1

Solution

30

Size

Problem 49855. Concatenated Consecutive Prime

Created by: Doddy Kastanya

Tags prime number

1

Solution

63

Size

1

Solution

63

Size

Problem 51720. Hoax Numbers

Created by: Dyuman Joshi

Tags primes, numbers

2

Solutions

77

Size

2

Solutions

77

Size

Problem 47808. Check if the input is an interprime

Created by: Mehmet OZC

Tags primes, number theory, interprime

2

Solutions

52

Size

2

Solutions

52

Size

Problem 49733. Solve the arithmetic differential equation D(n) = n

Created by: ChrisR

Tags primes, integers, arithmetic derivative integers

1

Solution

24

Size

1

Solution

24

Size

Problem 51241. Compute home primes in a given base

Created by: ChrisR

Tags primes, sequence, base conversion

2

Solutions

47

Size

2

Solutions

47

Size

Problem 47843. Compute the arithmetic derivative of integers

Created by: ChrisR

Tags primes, integers, arithmetic derivative

5

Solutions

56

Size

5

Solutions

56

Size

Problem 51758. List Proth primes

Created by: ChrisR

Tags primes

1

Solution

125

Size

1

Solution

125

Size

Problem 52183. List the nth prime quartet prefix

Created by: ChrisR

Tags primes, convolution, sequence

3

Solutions

88

Size

3

Solutions

88

Size

Problem 52669. Count the primes in Collatz sequences

Created by: ChrisR

Tags primes, sequence, another collatz problem

1

Solution

75

Size

1

Solution

75

Size

Problem 50933. Find pairs of primes with the same digit sum

Created by: ChrisR

Tags primes, digit sum

2

Solutions

70

Size

2

Solutions

70

Size

Problem 51198. Find pairs of primes with the same digit sum and a specified separation

Created by: ChrisR

Tags primes, sequence, digit sum

2

Solutions

65

Size

2

Solutions

65

Size

Problem 45333. Area-01

Created by: Asif Newaz

Tags basic, easy, square

1

Solution

16

Size

1

Solution

16

Size

Problem 1113. Create array of all Distances between two Sets of Points

Created by: Richard Zapor

Tags abs, hypot, complex

2

Solutions

66

Size

2

Solutions

66

Size

Problem 52193. Generate a matrix as follows

Created by: Alireza yarmohammadi

Tags matrix, gallery

1

Solution

14

Size

1

Solution

14

Size

Problem 51830. Find the number of days in a given year

Created by: Chunru

Tags datetime

1

Solution

22

Size

1

Solution

22

Size

Problem 47149. non-repitition of numbers in a vector

Created by: KATTA PRATYUSHA

Tags vector, numbers

1

Solution

10

Size

1

Solution

10

Size

Problem 51798. Label primes with the Erdos-Selfridge classification

Created by: ChrisR

Tags primes, number theory, guy a18

1

Solution

32

Size

1

Solution

32

Size

Problem 47518. Play Outside In with primes

Created by: ChrisR

Tags primes, puzzle, sequence

3

Solutions

79

Size

3

Solutions

79

Size

Problem 51077. List composite numbers that cannot be written as the sum of two primes

Created by: ChrisR

Tags primes, number theory, sequence

2

Solutions

104

Size

2

Solutions

104

Size

Problem 50948. Identify prime words

Created by: ChrisR

Tags primes, strings

1

Solution

48

Size

1

Solution

48

Size

Problem 52639. Determine whether a number is unprimeable

Created by: ChrisR

Tags primes, project euler

1

Solution

60

Size

1

Solution

60

Size

Problem 49783. List the good primes

Created by: ChrisR

Tags primes

2

Solutions

85

Size

2

Solutions

85

Size

Problem 47895. List the dihedral primes

Created by: ChrisR

Tags primes, sequence, symmetry

1

Solution

190

Size

1

Solution

190

Size

Problem 45297. Ugly numbers - 02

Created by: Asif Newaz

Tags numbers, ugly

3

Solutions

56

Size

3

Solutions

56

Size

Problem 45302. Ugly numbers - 03

Created by: Asif Newaz

Tags easy, numbers, ugly

1

Solution

28

Size

1

Solution

28

Size

Problem 49778. Determine whether a number is a prime self number

Created by: ChrisR

Tags primes, kaprekar

1

Solution

48

Size

1

Solution

48

Size

Problem 45296. Ugly numbers - 01

Created by: Asif Newaz

Tags easy, numbers, ugly

1

Solution

35

Size

1

Solution

35

Size

Problem 51466. List prime anagrams of a number

Created by: ChrisR

Tags primes, permutations, anagram

1

Solution

23

Size

1

Solution

23

Size

Problem 52288. List Honaker primes

Created by: ChrisR

Tags primes, digit sum

1

Solution

40

Size

1

Solution

40

Size

Problem 52293. Palindromic Primes

Created by: Dyuman Joshi

Tags primes, palindrome

1

Solution

48

Size

1

Solution

48

Size

Problem 45393. Determina si el número es primo

Created by: Lucía Honrubia Fernández

Tags math, primo, numero

1

Solution

10

Size

1

Solution

10

Size

Problem 45331. Find the index of elements in a string vector

Created by: stozaki

Tags string, vector

4

Solutions

14

Size

4

Solutions

14

Size

Problem 51620. Sort Except Zeros

Created by: minnolina

Tags basic

1

Solution

18

Size

1

Solution

18

Size

Problem 45254. Tribonacci Sequence

Created by: Asif Newaz

Tags easy, number, sequence

1

Solution

34

Size

1

Solution

34

Size

Problem 52298. Which Prime

Created by: Dyuman Joshi

Tags primes

1

Solution

27

Size

1

Solution

27

Size

Problem 45260. Alternate elements!

Created by: Jesús Zambrano

Tags vectors

2

Solutions

17

Size

2

Solutions

17

Size

Problem 49327. Divisors

Created by: Alisio

Tags divisors

2

Solutions

30

Size

2

Solutions

30

Size

Problem 46102. Determine the sum of diagonal elements in a matrix excluding negative and NaN values

Created by: Sudheer Bhimireddy

Tags addition

1

Solution

22

Size

1

Solution

22

Size

Problem 52080. The Piggy Bank Problem

Created by: Arunika

Tags math, funny, volume

1

Solution

16

Size

1

Solution

16

Size

Problem 45326. Decimal Fraction to binary conversion

Created by: Asif Newaz

Tags basic, bit manipulation, numbers

1

Solution

95

Size

1

Solution

95

Size

Problem 47493. reverse the order and combine a matrix

Created by: Griffen Josephs

Tags matrix tips

1

Solution

15

Size

1

Solution

15

Size

Problem 47925. Round to nearest integer

Created by: Aidan Guenther

Tags basics

1

Solution

10

Size

1

Solution

10

Size

Problem 45465. Squares of odd numbers upto a given range

Created by: Gurrala V Krishna Reddy

Tags numbers

1

Solution

15

Size

1

Solution

15

Size

Problem 45973. How to locate the position of an element in a vector without using the find function

Created by: Anirban Pal

Tags find, vector

1

Solution

17

Size

1

Solution

17

Size

Problem 46773. PIN code

Created by: Payam Morsali

Tags pin

1

Solution

10

Size

1

Solution

10

Size

201 – 250 of 3,201