Alejandro Vivero

• Username: 6★esomer
• Country:  Spain
• Student/Professional:Student
• Institution:Polytechnic University of Catalonia Barcelona, Spain
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 13

Current Ratings Graph Old Ratings Graph

2253 (+68)RatingProvisional
Rating i Provisional Rating, click to know more

Starters127 Division 1(2024-03-27 22:00:00)

Global Rank:   1

Cheated in:   

Ratings System Update

(2024-03-27 22:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

1994 (+0)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 62 Division 1 (Rated for 5 & 6 stars)(2022-12-20 00:00:00)

Global Rank:   144

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

Learning Paths (0)

None

Practice Paths (0)

None

Contests (13)

July Lunchtime 2022 Division 4 (Rated)

The Last Levels, Interior Design, True and False Paper, Maximum Median Matching, Easy Pronunciation, Yet Another Palindrome Making Problem

Starters 48 Division 3 (Rated)

Buy Lamps, Fill The Grid, Make Palindrome 2, Positive array, Accurate XOR

August Lunchtime 2022 Division 2 (Rated)

Easy Permutation, Array Equality, Tree Coloring, Subtract 12 Operation

Starters 53 Division 2 (Rated)

Make A and B equal, Queen Blocks, Black&White Ring Game

Starters 55 Division 2 (Rated)

Non Zero Xor, Ball Sequence, Balls and Boxes, Mean and Median, OR Tuples

Starters 62 Division 1 (Rated for 5 & 6 stars)

Joint XOR, Sorted Substrings, Make Multiple

Starters 71 Division 2 (Rated)

Maximizing LCS, Flip the Prefix, Pet Store, Expected Sum

Starters 84 Division 1 (Rated till 6 Stars)

SUM OR, Max count of 1, Digit Operation, Chef And Adjacent Sums

Starters 92 Division 1 (Rated till 6 Stars)

Rectangular Tiling, Beautification of array, Distance Coloring

Starters 94 Division 1 (Rated till 5 Stars)

Possible or Not, Search for 404, Special Operation, The Vowel Matrix

Starters 95 Division 1 (Rated till 6 Stars)

Boxes, Break This Array, Transfusion Chain

Starters 110 Division 1 (Rated till 5-stars)

Marbles,  Am I Lucky!, Tom and Jerry, World Cup, Monsters, Tetris

Starters127 Division 1

Array Operations, Expected Components, ABC Conjecture, Anti-Triangle

Total Problems Solved: 56