LeetCode 171. Excel Sheet Column Number
2017-01-28 19:46
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解题思路: 找出来规律就行了.
class Solution {
public:
int titleToNumber(string s) {
int res = 0;
for(int i = 0; i < s.length(); i++){
res = res * 26 + int(s[i] - 'A' + 1);
}
return res;
}
};
class Solution {
public:
int titleToNumber(string s) {
int res = 0;
for(int i = 0; i < s.length(); i++){
res = res * 26 + int(s[i] - 'A' + 1);
}
return res;
}
};
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