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RGB7074 - Театрын талбай

Бэрландын нийслэл дэх "Театр" талбай нь n×m хэмжээтэй тэгш ѳнцѳгт хэлбэртэй. Хотын ойг тохиолдуулж уг талбайг боржин чулуун хавтангуудаар бүрэхээр шийджээ. Хавтан бүрийн хэмжээ a×a. 

Талбайг бүрэхэд хамгийн цөөндөө хэдэн хавтан шаардлагатай вэ? Хавтангуудыг эвдэлж, хувааж болохгүй, талбайг бүрэн бүрэх ёстой, талбайгаас илүү гарч болох ба хавтангийн талууд талбайн талуудтай параллел байх ёстой.

Input

Эерэг бүхэл n,m,a тоонууд нэг мѳрѳнд ѳгѳгднѳ. 1<=n,m,a<=109.

Output

Шаардлагатай хавтангуудын тоо.

Example

Input:

6 6 4

Output:

4

Submit solution!
Нэмсэн:Bataa
Огноо:2014-02-01
Хугацааны хязгаарлалт:1s
Эх кодын хэмжээний хязгаарлалт:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Програмчлалын хэлүүд:ADA95 ASM32 BASH BF C NCSHARP CSHARP C++ 4.3.2 CPP C99 CLPS LISP sbcl LISP clisp D ERL FORTRAN HASK ICON ICK JAVA JS-RHINO JULIA LUA NEM NICE OCAML PAS-GPC PAS-FPC PERL PHP PIKE PRLG-swi PYTHON PYPY3 PYTHON3 RUBY SCALA SCM guile ST TCL WHITESPACE
Эх сурвалж:https://codeforces.com/problemset/problem/1/A
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< Өмнөх 1  2  3 Дараагийн >
2022-03-23 10:31:17
2021-05-25 14:57:09
ee huurhii yanaa bodtson balarsaan

2021-02-15 04:33:25
haana hiin hun bodchihvo hh
2021-01-20 05:55:26
yanaa yamar amarhan yum be
2021-01-05 10:12:36
ee huurhii yanaa bodtson balarsaan
2020-10-28 08:35:27
od+undral=huuhed
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:02
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:02
ee huurhii yanaa bodtson balarsaan2021-05-25 14:57:09
ee huurhii yanaa bodtson balarsaan

2021-02-15 04:33:25
haana hiin hun bodchihvo hh
2021-01-20 05:55:26
yanaa yamar amarhan yum be
2021-01-05 10:12:36
ee huurhii yanaa bodtson balarsaan
2020-10-28 08:35:27
od+undral=huuhed
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:02
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:02
ee huurhii yanaa bodtson balarsaan2021-05-25 14:57:09
ee huurhii yanaa bodtson balarsaan

2021-02-15 04:33:25
haana hiin hun bodchihvo hh
2021-01-20 05:55:26
yanaa yamar amarhan yum be
2021-01-05 10:12:36
ee huurhii yanaa bodtson balarsaan
2020-10-28 08:35:27
od+undral=huuhed
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:02
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:02
ee huurhii yanaa bodtson balarsaan2021-05-25 14:57:09
ee huurhii yanaa bodtson balarsaan

2021-02-15 04:33:25
haana hiin hun bodchihvo hh
2021-01-20 05:55:26
yanaa yamar amarhan yum be
2021-01-05 10:12:36
ee huurhii yanaa bodtson balarsaan
2020-10-28 08:35:27
od+undral=huuhed
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:02
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:02
ee huurhii yanaa bodtson balarsaan2021-05-25 14:57:09
ee huurhii yanaa bodtson balarsaan

2021-02-15 04:33:25
haana hiin hun bodchihvo hh
2021-01-20 05:55:26
yanaa yamar amarhan yum be
2021-01-05 10:12:36
ee huurhii yanaa bodtson balarsaan
2020-10-28 08:35:27
od+undral=huuhed
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:02
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:02
ee huurhii yanaa bodtson balarsaan
2022-03-23 10:31:10
90150454 zalgaad uzeerei haramsahgui shuu
2022-03-23 10:30:51
2021-05-25 14:57:09
ee huurhii yanaa bodtson balarsaan

2021-02-15 04:33:25
haana hiin hun bodchihvo hh
2021-01-20 05:55:26
yanaa yamar amarhan yum be
2021-01-05 10:12:36
ee huurhii yanaa bodtson balarsaan
2020-10-28 08:35:27
od+undral=huuhed
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:02
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:02
ee huurhii yanaa bodtson balarsaan
2022-03-23 10:30:46
2021-05-25 14:57:09
ee huurhii yanaa bodtson balarsaan

2021-02-15 04:33:25
haana hiin hun bodchihvo hh
2021-01-20 05:55:26
yanaa yamar amarhan yum be
2021-01-05 10:12:36
ee huurhii yanaa bodtson balarsaan
2020-10-28 08:35:27
od+undral=huuhed
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:02
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:02
ee huurhii yanaa bodtson balarsaan
2022-03-23 10:30:40
2021-05-25 14:57:09
ee huurhii yanaa bodtson balarsaan

2021-02-15 04:33:25
haana hiin hun bodchihvo hh
2021-01-20 05:55:26
yanaa yamar amarhan yum be
2021-01-05 10:12:36
ee huurhii yanaa bodtson balarsaan
2020-10-28 08:35:27
od+undral=huuhed
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:02
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:02
ee huurhii yanaa bodtson balarsaan
2022-03-23 10:30:35
2021-05-25 14:57:09
ee huurhii yanaa bodtson balarsaan

2021-02-15 04:33:25
haana hiin hun bodchihvo hh
2021-01-20 05:55:26
yanaa yamar amarhan yum be
2021-01-05 10:12:36
ee huurhii yanaa bodtson balarsaan
2020-10-28 08:35:27
od+undral=huuhed
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:02
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:02
ee huurhii yanaa bodtson balarsaan
2022-03-23 10:30:29
2021-05-25 14:57:09
ee huurhii yanaa bodtson balarsaan

2021-02-15 04:33:25
haana hiin hun bodchihvo hh
2021-01-20 05:55:26
yanaa yamar amarhan yum be
2021-01-05 10:12:36
ee huurhii yanaa bodtson balarsaan
2020-10-28 08:35:27
od+undral=huuhed
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:03
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:02
ee huurhii yanaa bodtson balarsaan
2019-08-16 05:09:02
ee huurhii yanaa bodtson balarsaan
2022-03-23 10:30:05
a



















































2021-04-20 12:12:37
#include<iostream>
using namespace std;

int main() {
int n, m, a;
cin>>n>>m>>a;
cout<<1LL*((n+a-1)/a)*((m+a-1)/a);
}
2020-12-28 17:29:34
help plz
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