### 33x3's blog

By 33x3, 2 months ago, We are glad to invite you to the Div 4 round where you all can try your abilities.

The contest will be in IOI style. 5 porblems and almost 3 hours to solve problems

The contest starts at [contest_time:422752].

Do not forget to take place: The contest link

Again thanks to :

Note: The contest is unofficial. div4, easy, Comments (18)
 » You've mistyped the contest link.
•  » » Thanks, fixed)
 » is it rated ?
•  » » Nope, It's actually unofficial, so it won't be rated!
 » fifty-seven registered 46 hours ago ( 0 _ 0 )
•  » » is it scam ?
•  » » is it rated ??
•  » » » Nope, Because it is unofficial constest, so it will not to be rated
•  » » ?
 » niceeee
 » code#include using namespace std; #define ll long long #define pb push_back #define yes cout<<"YES"<>n>>m; for(ll i=1;i<=n;i++){ for(ll j=1;j<=m;j++){ cin>>ar[i][j]; if(ar[i][j]==0) ans[i][j]=0; else if(i==1 && j==1) ans[i][j]=1; else if(i==1) ans[i][j]= ar[i][j-1]; else if(j==1) ans[i][j]= ar[i-1][j]; else ans[i][j]= (ans[i-1][j]+ans[i][j-1]); ans[i][j]%=mod; } } cout<
•  » » The solutions for the problems will be nearly published in 12 hours, hold tight)!
•  » » » bump
•  » » Why ans[i][j] = ar[i][j-1]? It should be ans[i][j] = ans[i][j-1];
 » 2 months ago, # | ← Rev. 2 →   Alright, The problems were so easy, The statement of problem D is written so bad, I just wasted 7 minutes on understanding what it says and finally guessed the statement from the samples, But after all good job.
•  » » Same, even I could not understand it in one go and skipped straight to E. But, it made sense after reading and drawing stuff abit. But the contest was overall good for a beginner :D
•  » » 7 weeks ago, # ^ | ← Rev. 2 →   um did you mean C? I did not understand C at all. Can anyone explain?
•  » » » Someone wants to create contests, for creating a contest, there should be 2 easy, 2 medium, and 1 hard problem, The person has $a$ easy problems, $b$ medium problems, and $c$ hard ones, He asks you to calculate with this set of problems, how many contests he can make at all.