so i found this person was cheating in a lot of codeforces contest, not only once. His handle is [user:https://mirror.codeforces.com/profile/djsksbrbf].↵
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#### PROOF OF CHEATING↵
First suspicious things was, this person is averaging solve C on Atcoder ABC which is weird for someone whose rated 1800 in codeforces and he never scored expert performance in Atcoder. Second suspicious things was some of his code are very similar to some code that has been leaked on youtube. Here's some of the proof: ↵
First Proof:↵
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https://mirror.codeforces.com/contest/2075/submission/311132774↵
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https://www.youtube.com/channel/UCkDyE8XB-J7QWxnE5zkj_cQ/community?lb=UgkxnUwNaWfdVyQ-Arj-hXWusQ8sohpYL4y4↵
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### Second Proof↵
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https://mirror.codeforces.com/contest/2071/submission/308351112↵
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https://www.youtube.com/channel/UCkDyE8XB-J7QWxnE5zkj_cQ/community?lb=UgkxWShWDrci41FthRpLXtVSMwKiuFK_1J6M↵
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Why would u check dist[st] == -1 if the graph was a tree lmao.↵
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### Third Proof↵
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https://mirror.codeforces.com/contest/2071/submission/308382209↵
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https://www.youtube.com/channel/UCkDyE8XB-J7QWxnE5zkj_cQ/community?lb=UgkxfRnxkJhUUZW7bAsCEl7Dv4G4vnTujOpl↵
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All of them was from chunkcode01 who has been leaked his code in a lot of codeforces contest↵
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Fourth Proof↵
------------------I have another proof also, if you want another proof, just hit me up on dm, i would love to share it↵
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↵
#### PROOF OF CHEATING↵
First suspicious things was, this person is averaging solve C on Atcoder ABC which is weird for someone whose rated 1800 in codeforces and he never scored expert performance in Atcoder. Second suspicious things was some of his code are very similar to some code that has been leaked on youtube. Here's some of the proof: ↵
First Proof:↵
------------------↵
https://mirror.codeforces.com/contest/2075/submission/311132774↵
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https://www.youtube.com/channel/UCkDyE8XB-J7QWxnE5zkj_cQ/community?lb=UgkxnUwNaWfdVyQ-Arj-hXWusQ8sohpYL4y4↵
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### Second Proof↵
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https://mirror.codeforces.com/contest/2071/submission/308351112↵
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https://www.youtube.com/channel/UCkDyE8XB-J7QWxnE5zkj_cQ/community?lb=UgkxWShWDrci41FthRpLXtVSMwKiuFK_1J6M↵
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Why would u check dist[st] == -1 if the graph was a tree lmao.↵
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### Third Proof↵
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https://mirror.codeforces.com/contest/2071/submission/308382209↵
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https://www.youtube.com/channel/UCkDyE8XB-J7QWxnE5zkj_cQ/community?lb=UgkxfRnxkJhUUZW7bAsCEl7Dv4G4vnTujOpl↵
↵
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All of them was from chunkcode01 who has been leaked his code in a lot of codeforces contest↵
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