I appreciate your effort to point out those who are cheating, letās hope CodeChef will take necessary action.
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Yes I have mailed the link to this blog to codechef. It would probly be better if more and more people mailed them. Maybe they will then do something about it. Although i dont expect them to but still I will encourage more people to mail to the following help@codechef.com
i also mailed them
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https://www.codechef.com/viewsolution/48193343 , this guy cheated whole div2 4th problem (check his code , variables ++) and become 5 star , also the funny part is he posted this on linkedin -
Hey everyone.
I am happy to announce that I got blessed with 5on Codechef in June Lunchtime 2021 with a Global Rank of 70.
Being from a pure Tier 3 college it was too difficult but all thanks to Raj Vikramaditya. I never had a conversation with him but his videos waere a constant source of motivation for me. Every morning I woke up and said to myself āRaj bhaiya kr skte to mai kyu naiā and that kept me going.
matlb hadd hai 
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Carryminati kabse krna lga programming 
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Ky hi milega aise 5 star baan ke
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Godzilla had a stroke trying to read this and fricking died.
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Waah! itne tejaswi log hai hamare paas.
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Bhai tumhara code ekdam same hae leaked code se. And tumne code obfuscate karne k liye isme CodeChef: Practical coding for everyone faaltu k variable use kiye hae.
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Bro i never saw any genuine coder using dummy variable names like you . This code CodeChef: Practical coding for everyone and many others matches with your code. All are same as leaked code.
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#include <bits/stdc++.h>
using namespace std;
#define fastio \
ios_base::sync_with_stdio(false); \
cin.tie(NULL);
#define rep(i, n) for (int i = 0, _n = (n); i < _n; i++)
#define INF 1000000000000000000
#define inf 1000000000
typedef long long ll;
typedef vector<vector<int>> vvi;
typedef vector<int> vi;
int sid=0,rasa=0;
void solve()
{
ll n, m, k;
cin >> n >> m >> k;
ll x[n * m + 1], y[n * m + 1];
rep(i, n * m) cin >> x[i + 1] >> y[i + 1];
ll left = 1, right = n * m;
ll steps = INF;
ll mul = (n + 2) * (m + 2);
while (left <= right)
{
ll mid = (left + right) / 2;
vector<vector<int>> status(n + 5, vector<int>(m + 5, 0));
for (int i = 1; i <= mid; i++)
{
if (i & 1)
status[x[i]][y[i]] = 1;
else
status[x[i]][y[i]] = 2;
}
ll fn = 0;
vvi col(n + 2, vi(m + 2, 0));
for (int i = n; i >= 1; i--)
{
for (int j = 1; j <= m; j++)
{
if (status[i][j] == 1)
col[i][j] = col[i + 1][j] + 1;
else
col[i][j] = 0;
}
}
for (int i = n; i >= 1; i--)
{
for (int j = m; j >= 1; j--)
{
if (col[i][j] >= k)
col[i][j] = col[i][j + 1] + 1;
else
col[i][j] = 0;
if (col[i][j] >= k)
fn = 1;
}
}
col.clear();
col.resize(n + 2, vi(m + 2, 0));
for (int i = n; i >= 1; i--)
{
for (int j = 1; j <= m; j++)
{
if (status[i][j] == 2)
col[i][j] = col[i + 1][j] + 1;
else
col[i][j] = 0;
}
}
for (int i = n; i >= 1; i--)
{
for (int j = m; j >= 1; j--)
{
if (col[i][j] >= k)
col[i][j] = col[i][j + 1] + 1;
else
col[i][j] = 0;
if (col[i][j] >= k)
fn = 2;
}
}
if (fn == 0)
{
left = mid + 1;
}
else
{
if (mid < steps)
{
steps = mid;
if (fn == 1)
ans = "Alice";
else
ans = "Bob";
}
right = mid - 1;
}
}
cout << ans << "\n";
}
signed main()
{
fastio
ios::sync_with_stdio(false);
cin.tie(0);
int t;
cin >> t;
while (t--)
{
solve();
}
}
your solution after clear obfuscation.
check this : (CodeChef: Practical coding for everyone)
your whole things are common like status , i&1 and many things .
2 Likes
And to add you have a history of cheating in codeforces too and then bragging on linkedin.
Personal submissions - Codeforces
Your solutions are skipped
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@sid_rasa
Hereās the thing this is your 1st attempt(CodeChef: Practical coding for everyone) for solving which quite stands unique but your final solution to this problem is CodeChef: Practical coding for everyone
Here you have unnecasirly declared increments/decrement operations between col.clear() and col.resize() and kept the entire code almost same with little change in variables. I havent checked ur other solutions but i can tell that u copied atleast Problem4
ab jaane dijiye
I donāt think any action would be taken. It happens in almost every contest and codechef does nothing. They are busy promoting unacademy courses
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