irresolute

@echo off
:main
set aa=
setlocal enabledelayedexpansion
set /p n=请输入数字n:
for /l %%i in (1,1,%n%) do (
set /a aa=!aa!+%%i)
echo !aa!
pause>nul
goto :main
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算法真简单

irresolute

@echo off
:main
set aa=
setlocal enabledelayedexpansion
set /p n=请输入数字n:
for /l %%i in (1,1,%n%) do (
set /a aa=!aa!+%%i)
echo !aa!
pause>nul
goto :main
复制代码