摘要:
1.string中find()返回值是字母在母串中的位置(下标记录),如果没有找到,那么会返回一个特别的标记npos。(返回值可以看成是一个int型的数) 1 #include<cstring> 2 #include<cstdio> 3 #include<iostream> 4 using name 阅读全文
摘要:
Description Natasha is planning an expedition to Mars for nn people. One of the important tasks is to provide food for each participant. The warehouse 阅读全文