LeetCodeOJ. Longest Common Prefix
试题请參见: https://oj.leetcode.com/problems/longest-common-prefix/
题目概述
解题思路
源码
class Solution {
public:
std::string longestCommonPrefix(std::vector<std::string> &strs) {
bool isMatched = true;
int index = 0;
char character = 0; if ( strs.size() == 0 ) {
return "";
} do {
character = strs[0][index]; for ( size_t i = 0; i < strs.size(); ++ i ) {
if ( index >= strs.at(i).size() || strs.at(i).at(index) != character ) {
isMatched = false;
}
} ++ index; } while ( isMatched ); return strs[0].substr(0, index - 1);
}
};
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