第四章第二十二題（檢測子串）(Check substring)

4.22（檢測子串）編寫一個程序，提示用戶輸入兩個字符串，檢測第二個字符串是不是第一個字符串的子串。 4.22(Check substring) Write a program that prompts the user to enter two strings, and reports whether the second string is a substring of the first s

>>阅读原文<<