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Eduard

Hello Cho.
I have found Greedy aproach too,but my algorithm is macking matrix with numbers not in range 0..20 and I can't change my algorithm too work vor 0..20.
Give some hint please.
Thanks.
Eduard

Eduard

TISARKER you check leap year not for given year,but for year-2148,it is your only mistake!

Eduard

PS: Eduard, i don't know why u got accepted solving the problem using that algorithm! Perhaps I'm wrong, but I think mine is quicker (you know, generating n*(n-1)/2 numbers, then finding their divisors and cheking what number doesn't divide any id...) and I got T.L.! Anyway, thanks a lot for your a...

Eduard

Hello. I solved this problem in some other way. If A %m must be unique for all i<=n then |a -a[j]|%m<>0 for all i,j<=n; i<>j! From this I get n*(n-1)/2 numbers and find all their divisors,and then find first number what isn't divisor of any of this numbers. This got AC, but isn't fast! Eduard.

Eduard

Hello Larry.
It's hard to tell what was my problem but for some reason my program were losing some zeros.For example 11*10=11
Eduard.

Eduard

Thanks to everybody who helped me, finally I got AC.

Eduard.

Eduard

Thanks Misof but I'm have consider all that.
Input

Code: Select all

.0. 000 .0. 000 0.0 000
.0. 0.0 ... ..0 0.0 ..0
.0. 0.0 000 000 .0. 000
.0. 0.0 ... ..0 0.0 ..0
.0. 000 .0. 000 0.0 000

000
0.0
0.0
0.0
000

Output

Code: Select all

000
0.0
000
..0
..0

I need some other test.
Thanks.
Eduard.

Eduard

Hello. Thanks Adrian for replay. My program works for neative answers. Input 000 000 ... 000 000 ..0 ..0 ... ..0 ..0 000 000 000 000 000 0.. 0.. ... ..0 ..0 000 000 ... 000 000 .0. ... 000 .0. ... ..0 .0. 000 000 .0. ... 0.. .0. ... 000 .0. ... .0. 000 000 0.0 000 0.. 000 000 000 .0. ... .0. ..0 ..0...

Eduard

Hello.
I'm getting this problem WA.
I can't find any mistake.Please give me some tests.
Can answer be negative?

Thanks.
Eduard.

Eduard

Thanks everybody.Now I got AC.Yes The Bug was on My Cv array length.
I cut my code too.
Thanks once again.
Eduard

Eduard

Here is my code.

Code: Select all

ACCEPTED

Eduard

Hello liux0229
Thanks for answering after for 4 months.
My program gives for yout input this and I think correct output.

Code: Select all

May be you can give some other tests?
Thanks.

Eduard

Hello.
I can't understand just what you have written for problem A my code for A is just 13 lines.For D just 30 lines.
Please tell your algo for A,it is interesting for me how it hapens that your code is so long.
Eduard.

Eduard

Hello.
This problem also can be solved using 2D matrix or just can be found a formula using PIE.
Eduard.

Eduard

Thanks.
Now I understand why during online contest so many people solved this problem.

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