Robert_OConnor

Contests


Rank Score Rating Date Event
21
1
Jan. 16, 2021
Problem 743. Window into a Matrix projecteuler.net
10
1
Dec. 26, 2020
Problem 740. Secret Santa projecteuler.net
8
1
Dec. 13, 2020
Problem 738. Counting Ordered Factorisations projecteuler.net
23
1
Dec. 6, 2020
Problem 737. Coin Loops projecteuler.net
34
1
Nov. 21, 2020
Problem 735. Divisors of $2n^2$ projecteuler.net
39
1
Nov. 14, 2020
Problem 734. A bit of prime projecteuler.net
46
1
Oct. 4, 2020
Problem 728. Circle of Coins projecteuler.net
93
1
Sept. 12, 2020
Problem 725. Digit sum numbers projecteuler.net
31
1
May 3, 2020
Problem 714. Duodigits projecteuler.net
30
1
April 26, 2020
Problem 713. Turán's water heating system projecteuler.net
41
1
March 15, 2020
Problem 706. 3-Like Numbers projecteuler.net
19
1
Nov. 2, 2019
Problem 687. Shuffling Cards projecteuler.net
41
1
Oct. 26, 2019
Problem 686. Powers of Two projecteuler.net
60
1
Oct. 12, 2019
Problem 683. The Chase II projecteuler.net
39
1
Sept. 22, 2019
Problem 680. Yarra Gnisrever projecteuler.net
24
1
Sept. 15, 2019
Problem 679. Freefarea projecteuler.net
31
1
Sept. 7, 2019
Problem 678. Fermat-like Equations projecteuler.net
28
1
June 29, 2019
Problem 677. Coloured Graphs projecteuler.net
45
1
June 22, 2019
Problem 676. Matching Digit Sums projecteuler.net
100
1
May 19, 2019
Problem 671. Colouring a Loop projecteuler.net
91
1
May 19, 2019
Problem 670. Colouring a Strip projecteuler.net
59
1
Dec. 29, 2018
Problem 649. Low-Prime Chessboard Nim projecteuler.net
40
1
Nov. 10, 2018
Problem 642. Sum of largest prime factors projecteuler.net
38
1
Oct. 28, 2018
Problem 640. Shut the Box projecteuler.net
38
1
July 1, 2018
Problem 630. Crossed lines projecteuler.net
47
1
June 3, 2018
Problem 628. Open chess positions projecteuler.net
49
1
March 11, 2018
Problem 622. Riffle Shuffles projecteuler.net
33
1
Feb. 25, 2018
Problem 621. Expressing an integer as the sum of triangular numbers projecteuler.net
22
1
Jan. 13, 2018
Problem 618. Numbers with a given prime factor sum projecteuler.net
36
1
Dec. 30, 2017
Problem 617. Mirror Power Sequence projecteuler.net
26
1
Dec. 16, 2017
Problem 616. Creative numbers projecteuler.net
3
1
Dec. 3, 2017
Problem 615. The millionth number with at least one million prime factors projecteuler.net
45
1
Nov. 19, 2017
Problem 614. Special partitions 2 projecteuler.net
51
1
Nov. 5, 2017
Problem 613. Pythagorean Ant projecteuler.net
35
1
Oct. 22, 2017
Problem 612. Friend numbers projecteuler.net
85
1
Oct. 7, 2017
Problem 611. Hallway of square steps projecteuler.net
39
1
Sept. 23, 2017
Problem 610. Roman Numerals II projecteuler.net
78
1
Sept. 9, 2017
Problem 609. π sequences projecteuler.net
91
1
June 17, 2017
Problem 608. Divisor Sums projecteuler.net
25
1
June 10, 2017
Problem 607. Marsh Crossing projecteuler.net
21
1
May 28, 2017
Problem 605. Pairwise Coin-Tossing Game projecteuler.net
50
1
May 21, 2017
Problem 604. Convex path in square projecteuler.net
51
1
April 22, 2017
Problem 600. Integer sided equiangular hexagons projecteuler.net
36
1
April 9, 2017
Problem 598. Split Divisibilities projecteuler.net
65
1
March 19, 2017
Problem 595. Incremental Random Sort projecteuler.net
92
1
March 11, 2017
Problem 594. Rhombus Tilings projecteuler.net
73
1
Feb. 5, 2017
Problem 589. Poohsticks Marathon projecteuler.net