Ivan Obraztsov

• Username:5★darkstar1863
• Country:  United States
• Student/Professional:Professional
• Organisation:Facebook
• Teams List: List of teams by Ivan Obraztsov
• CodeChef Pro Plan: No Active Plan. View Details

Activity Heat Map

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(Last 6 Months)

Rating Graph

No. of Contests Participated: 9

Current Ratings Graph Old Ratings Graph

2171 (+44)RatingProvisional
Rating i Provisional Rating, click to know more

September Mega Cook-Off 2015(2015-09-21 00:00:00)

Global Rank:   85

Plagiarised in:   

Ratings System Update

(2015-09-21 00:00:00)

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

2171 (-60)RatingProvisional
Rating i Provisional Rating, click to know more

September Mega Cook-Off 2015(2022-12-20 00:00:00)

Global Rank:   85

Plagiarised 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

CodeChef Rating Distribution

Submissions

Problems Solved

Fully Solved (39)

Practice: TEST, SUBARRAY, CHEFVOTE, MXZERO, RNUM, NTHCIR

COOK49: PERMSUFF

SEPT14: CHEFLR, ROTATION, RAINBOWB, UASEQ, FACTORIZ

COOK52: BRACKETS, PETERSEN

COOK53: RRJOKE, RRMTRX2, RRPLAYER

JAN15: GCDQ, CHEFSTON, SEAVOTE, ONEKING, CLPERM, QSET

COOK55: TRISQ, WORLDCUP

COOK56: DIVGOLD, STRBIT, STRAB

JULY15: CHCUBE, LCKYST, EGBOBRD, MCHEF, ADDMUL, NTHCIR, SEAGM2, MAXDIFFW

COOK62: FRGTNLNG, STACKS, SPRNMBRS, REIGN2

Partially Solved (1)

JULY15: HAMILG

Contributions

Problems Authored (0)

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Problems Tested (0)

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Editorials Contributed (0)

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