出现'invalid conversion from 'const char' to ‘int’[-fpermissive]错误

出现'invalid conversion from 'const char' to ‘int’[-fpermissive]错误

putchar("\n")改为putchar('\n')或printf("\n")

• 这篇文章：求助错误[Error] invalid conversion from 'char' to 'const char*' [-fpermissive] 也许能够解决你的问题，你可以看下