ShoppersProblem code: AVISKR05 |
All submissions for this problem are available.
A group of N shoppers go to a supermarket. The supermarket has M items. Each shopper wants to buy only the items he likes. They plan to buy K items in all. A shopper can buy at max only one item. Some shoppers may not buy anything and some items might not be bought.
Input
First line contains the number of test cases.
Each test case contains three integers N , M and K separated by spaces. Then follow N lines containing M characters each. If jth character of ith line is 1 then ith shopper likes item j.
1<= K <= N, M <=13
Output
For each test case, output the number of ways K items in all can be bought.
Example
Input: 1 4 4 2 1111 0100 0100 1100 Output: 14
| Author: | mandark |
| Date Added: | 28-09-2010 |
| Time Limit: | 3 - 4 sec |
| Source Limit: | 50000 Bytes |
| Languages: | ADA, ASM, BASH, BF, C, C99 strict, CAML, CLOJ, CLPS, CPP 4.0.0-8, CPP 4.3.2, CS2, D, ERL, F#, FORT, GO, HASK, ICK, ICON, JAR, JAVA, JS, LISP clisp, LISP sbcl, LUA, NEM, NICE, PAS fpc, PAS gpc, PERL, PERL6, PHP, PIKE, PRLG, PYTH, PYTH 3.1.2, RUBY, SCALA, SCM guile, SCM qobi, ST, TEXT, WSPC |
Comments
SUCCESSFUL SUBMISSIONS FOR THIS PROBLEM:
Fetching successful submissions
HELP
Program should read from standard input and write to standard output. After you submit a solution you can see your results by clicking on the [My Submissions] tab on the problem page. Below are the possible results:
- Accepted
Your program ran successfully and gave a correct answer. If there is a score for the problem, this will be displayed in parenthesis next to the checkmark. - Time Limit Exceeded
Your program was compiled successfully, but it didn't stop before time limit. Try optimizing your approach. - Wrong Answer
Your program compiled and ran succesfully but the output did not match the expected output. - Runtime Error
Your code compiled and ran but encountered an error. The most common reasons are using too much memory or dividing by zero. For the specific error codes see the help section. - Compilation Error
Your code was unable to compile. When you see this icon, click on it for more information.
If you are still having problems, see a sample solution here.
