Check if Word Equals Summation of Two Words
给三个字符串, 问前两个的值转换成数字是否加起来等于第三个.
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 |
class Solution { public: bool isSumEqual(string f, string s, string t) { return convert(f) + convert(s) == convert(t); } int convert(string s) { int base = 1; int res = 0; for(int i = s.length() - 1; i >= 0; i--){ res += base * (s[i] - 'a'); base *= 10; } return res; } }; |