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# Description | ||
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Given a number n, determine what the nth prime is. | ||
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By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13. | ||
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If your language provides methods in the standard library to deal with prime numbers, pretend they don't exist and implement them yourself. |
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@echo off | ||
setlocal enabledelayedexpansion | ||
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set targetNTH=%~1 | ||
set /a "currentNTH=0" | ||
set "primeNumbers=" | ||
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if %targetNTH% equ 0 ( | ||
echo there is no zeroth prime | ||
exit /b 0 | ||
) | ||
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for /L %%a in (1,1,10001) do ( | ||
set index=%%a | ||
2>nul set /a "1/(!index! %% 2)" && ( | ||
if !index! neq 1 ( | ||
set divideableCheck=true | ||
for %%b in (!primeNumbers!) do ( | ||
set /a "remainder=!index! %% %%b" | ||
if !remainder! equ 0 ( | ||
set divideableCheck=false | ||
) | ||
) | ||
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if !divideableCheck! equ true ( | ||
set primeNumbers=!primeNumbers! !index! | ||
set /a "currentNTH+=1" | ||
if !currentNTH! equ %targetNTH% ( | ||
echo !index! | ||
exit /b 0 | ||
) | ||
) | ||
) | ||
) | ||
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if !index! equ 2 ( | ||
set primeNumbers=!primeNumbers! !index! | ||
set /a "currentNTH+=1" | ||
if !currentNTH! equ %targetNTH% ( | ||
echo !index! | ||
exit /b 0 | ||
) | ||
) | ||
) |
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{ | ||
"authors": ["dbenham", "GroophyLifefor"], | ||
"files": { | ||
"solution": [ | ||
"NthPrime.bat" | ||
], | ||
"test": [ | ||
"NthPrimeTest.bat" | ||
], | ||
"example": [ | ||
".meta/Example.bat" | ||
] | ||
}, | ||
"blurb": "Given a number n, determine what the nth prime is.", | ||
"source": "A variation on Problem 7 at Project Euler" | ||
} |
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# This is an auto-generated file. | ||
# | ||
# Regenerating this file via `configlet sync` will: | ||
# - Recreate every `description` key/value pair | ||
# - Recreate every `reimplements` key/value pair, where they exist in problem-specifications | ||
# - Remove any `include = true` key/value pair (an omitted `include` key implies inclusion) | ||
# - Preserve any other key/value pair | ||
# | ||
# As user-added comments (using the # character) will be removed when this file | ||
# is regenerated, comments can be added via a `comment` key. | ||
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[af9ffe10-dc13-42d8-a742-e7bdafac449d] | ||
description = "Say Hi!" |
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@echo off | ||
setlocal enabledelayedexpansion | ||
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set targetNTH=%~1 | ||
set result= | ||
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REM Your code goes here | ||
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echo %result% |
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@echo off | ||
REM --------------------------------------------------- | ||
REM Difference Of Squares Unit Testing | ||
REM | ||
REM sUnit Testing Framework version: 0.2 | ||
REM --------------------------------------------------- | ||
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:Main | ||
REM Initalize result variable | ||
set "slug=NthPrime" | ||
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CALL :Initialize | ||
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REM -------------------- | ||
REM Test Case Start \/\/ | ||
REM Resource: https://github.com/exercism/problem-specifications/blob/main/exercises/nth-prime/canonical-data.json | ||
REM -------------------- | ||
set "expected=2" | ||
set "if_success=Test passed" | ||
set "if_failed=Test failed: first prime" | ||
CALL :Assert "1" | ||
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set "expected=3" | ||
set "if_success=Test passed" | ||
set "if_failed=Test failed: second prime" | ||
CALL :Assert "2" | ||
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set "expected=13" | ||
set "if_success=Test passed" | ||
set "if_failed=Test failed: sixth prime" | ||
CALL :Assert "6" | ||
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set "expected=229" | ||
set "if_success=Test passed" | ||
set "if_failed=Test failed: 50th prime" | ||
CALL :Assert "50" | ||
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set "expected=487" | ||
set "if_success=Test passed" | ||
set "if_failed=Test failed: 50th prime" | ||
CALL :Assert "93" | ||
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set "expected=there is no zeroth prime" | ||
set "if_success=Test passed" | ||
set "if_failed=Test failed: 50th prime" | ||
CALL :Assert "0" | ||
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REM -------------------- | ||
REM Test Case End /\/\/\ | ||
REM -------------------- | ||
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CALL :ResolveStatus | ||
exit /b %errorlevel% | ||
REM End of Main | ||
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REM --------------------------------------------------- | ||
REM Assert [..Parameters(up to 9)] | ||
REM --------------------------------------------------- | ||
GOTO :End REM Prevents the code below from being executed | ||
:Assert | ||
set "stdout=" | ||
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REM Run the program and capture the output then delete the file | ||
CALL %slug%.bat %1 %2 %3 %4 %5 %6 %7 %8 %9 > stdout.bin 2>&1 | ||
set /p stdout=<stdout.bin | ||
del stdout.bin | ||
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REM Check if the result is correct | ||
if "%stdout%" == "%expected%" ( | ||
if defined if_success ( | ||
echo %if_success% | ||
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REM Reset the variable to avoid duplicating the message. | ||
set "if_success=" | ||
set "if_failed=" | ||
) | ||
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REM If the result is correct, exit with code 0 | ||
set /a successCount+=1 | ||
exit /b 0 | ||
) else ( | ||
if defined if_failed ( | ||
echo %if_failed% | ||
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REM Reset the variable to avoid duplicating the message. | ||
set "if_success=" | ||
set "if_failed=" | ||
) | ||
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REM If the result is incorrect, exit with code 1 | ||
set /a failCount+=1 | ||
exit /b 1 | ||
) | ||
GOTO :EOF REM Go back to the line after the call to :Assert | ||
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:Initialize | ||
REM It's for initialize, not about checking empty file | ||
set "successCount=0" | ||
set "failCount=0" | ||
GOTO :EOF REM Go back to the line after the call to :CheckEmptyFile | ||
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:ResolveStatus | ||
set "status=" | ||
if %failCount% gtr 0 ( | ||
REM status: Fail | ||
REM message: The test failed. | ||
exit /b 1 | ||
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) else ( | ||
REM status: Pass | ||
exit /b 0 | ||
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) | ||
GOTO :EOF REM Go back to the line after the call to :ExportResultAsJson | ||
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:End |