批处理计算1+2+3+4+...+100=?

edmond

1. @echo off
   
2. set t=0
   
3. for /l %%a in (1 1 100) do (
   
4. set/a t+=%%a
   
5. )
   
6. echo %t%
   
7. pause

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qinshi52

1. @echo off&setlocal enabledelayedexpansion
   
2. for /l %%i in (1,1,100) do set /a s+=%%i
   
3. echo !s!
   
4. pause

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1. @echo off&setlocal enabledelayedexpansion
   
2. set /p n=请输入数字：
   
3. for /l %%i in (1,1,!n!) do set /a s+=%%i
   
4. echo !b!
   
5. pause

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photonjl

1. ::从1加到100的
   
2. @echo off
   
3. set str=0
   
4. for /l %%i in (1,1,100) do (
   
5.     set /a str+=%%i
   
6. )
   
7. echo %str%
   
8. pause>nul

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photonjl

1. ::任意数值的计算
   
2. @echo off
   
3. set str=0
   
4. set /p var=input number
   
5. 
   
6. for /l %%i in (1,1,%var%) do (
   
7.     set /a str+=%%i
   
8. )
   
9. echo %str%
   
10. pause>nul

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lys5300

1. @echo off
   
2. set /a sum=0
   
3. for /l %%a in (1 1 100) do (
   
4. set/a sum+=%%a
   
5. )
   
6. echo %sum%
   
7. set sum=
   
8. pause>nul

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smallpigs

@echo off
:abc
cls
set /a i = 1
set /p n=請輸入數字：
if {%n%}=={} goto abc
:acb
set /a i+=1,j+=i
if %i% neq %n% goto acb
echo %j%
pause

smallpigs

@echo off
:abc
cls
set /a i = 1
set /p n=請輸入數字：

1. @echo off
   
2. :abc
   
3. cls
   
4. set /a i = 1
   
5. set /p n=請輸入數字：
   
6. if {%n%}=={} goto abc
   
7. :acb
   
8. set /a i+=1,j+=i
   
9. if %i% neq %n% goto acb
   
10. echo %j%
    
11. pause

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if {%n%}=={} goto abc
:acb
set /a i+=1,j+=i
if %i% neq %n% goto acb
echo %j%
pause

lmhxly

{code}
@echo off
set a=0
set b=0
:a
echo +%a%=%b%
set /a a+=1
set /a b=%b%+%a%
if %a% gtr 100 (pause) else (goto a
exit
{/code}

zsllq

1. 
   
2. @echo off
   
3. set var=0
   
4. for /l %%a in (1,1,100) do (set /a var=var+%%a)
   
5. echo 1+2+3+4+...+100=%var%
   
6. pause>nul
   

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[ 本帖最后由 zsllq 于 2010-10-27 15:36 编辑 ]

weichenxiehou

1. @echo on&setlocal enabledelayedexpansion
   
2. set sum=0
   
3. for /l %%i in (1,1,100) do (set /a sum+=%%i)
   
4. echo 1+2+...+100=!sum!
   
5. pause

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akkk

sum+=%%i   为什么sum不用初始化结果也对呢？？？？？？？

ithinkican

:c
Set /a s+=1
set /a b+=%s%
if %b% equ 100 echo %b% || goto c
pause

wolonga123

1. 
   
2. @echo off
   
3. set /a sum=0
   
4. set /p n=请输入一个数字:
   
5. for /l %%i in (1,1,%n%) do ( set /a sum+=%%i )
   
6. echo %sum%
   
7. pause
   

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_ThirdMan

set /p a=请输入:
echo %a%|findstr "^[1-9][0-9]*$" >nul
for /l %%i in (1,1,%a%) do (set /a b+=%%i)
echo %b%
pause
虽然是借鉴了两位高手的答案
还是学会了,很开心..

broly

1. 
   
2. @set var=0
   
3. @for /l %%i in (1,1,100) do @call set /a var=%%var%%+%%i
   
4. @echo %var%
   
5. @pause
   
6. 
   

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