面的printf("\n") 和i++ 是外村循环中的语句，控制换行和每次打印的字符；

getchar() 这一句没有用，仅仅是是程序运行完在屏幕上停留（改成system("pause") 更好-Surface printf (" \ n" )　and i++　is outside the village of loop statements, control line and each print character　getchar ()　this one did not use, only a procedural run completed on the screen stays ( into system (" pause" )　better