标签:
Given a column title as appear in an Excel sheet, return its corresponding column number.
For example:
A -> 1
B -> 2
C -> 3
...
Z -> 26
AA -> 27
AB -> 28
这题题目的意思就是:将26进制字母转化为10进制数字
class Solution {
public:
int titleToNumber(string s) {
int n=0;
for(int i=0;i<s.size();i++)
{
n=n*26+(s[i]-‘A‘+1);
return n;
}
}
};
编译的时候开始总是出现
leetcode:Excel Sheet Column Number
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原文地址:http://www.cnblogs.com/carsonzhu/p/4575919.html