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Leetcode14.cpp
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65 lines (53 loc) · 1.72 KB
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// Leetcode7.cpp : This file contains the 'main' function. Program execution begins and ends there.
//
#include <iostream>
#include <vector>
#include <string>
using namespace::std;
string longestCommonPrefix(vector<string>& strs)
{
//string pre1(strs[0]);
string a = "aa";
string pre1 = a;
cout << pre1 << endl;
//char a = strs[2][3];
/*if (1 == strs.size())
{
pre = strs[0];
return pre;
}*/
for (auto str = strs.begin(); str != strs.end(); ++str)
{
int tmpLength = min(pre1.size(), (*str).size());
if (0 == tmpLength)
{
pre1 = "";
break;
}
for (auto i = tmpLength; i >= 0; --i)
{
if (pre1.substr(0, i) == (*str).substr(0, i))
{
pre1 = pre1.substr(0, i);
break;
}
}
}
return pre1;
}
int main()
{
//vector<string> strs = { "flower","flow","flight" };
vector<string> strs = { "abab","aba","" };
string pre = longestCommonPrefix(strs);
std::cout << "Hello World!\n";
}
// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
// Debug program: F5 or Debug > Start Debugging menu
// Tips for Getting Started:
// 1. Use the Solution Explorer window to add/manage files
// 2. Use the Team Explorer window to connect to source control
// 3. Use the Output window to see build output and other messages
// 4. Use the Error List window to view errors
// 5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
// 6. In the future, to open this project again, go to File > Open > Project and select the .sln file