题目描述
牛客最近来了一个新员工Fish,每天早晨总是会拿着一本英文杂志,写些句子在本子上。同事Cat对Fish写的内容颇感兴趣,有一天他向Fish借来翻看,但却读不懂它的意思。例如,“student. a am I”。后来才意识到,这家伙原来把句子单词的顺序翻转了,正确的句子应该是“I am a student.”。Cat对一一的翻转这些单词顺序可不在行,你能帮助他么?
class Solution
{
public:
string ReverseSentence(
string str)
{
if (str ==
"")
return "";
vector<
string>
strs;
string temp =
"";
string res =
"";
for (
int i =
0; i < str.length(); i++
)
{
if (str[i] !=
' ')
temp +=
str[i];
else
{
strs.push_back(temp);
temp =
"";
}
}
strs.push_back(temp);
for (
int i = strs.size() -
1; i >=
0; i--
)
{
res +=
strs[i];
if (i !=
0)
res +=
" ";
}
return res;
}
};
转载于:https://www.cnblogs.com/ruoh3kou/p/10156480.html