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Leetcode75.cpp
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67 lines (58 loc) · 1.68 KB
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// Leetcode75.cpp : This file contains the 'main' function. Program execution begins and ends there.
//
#include <iostream>
#include <vector>
using namespace::std;
void sortColors(vector<int>& nums)
{
int left = 0, right = nums.size() - 1;
// while(nums[left]==0)
// {
// ++left;
// if(left>nums.size()-1) break;
// }
// while(nums[right]==2)
// {
// --right;
// if(right<0) break;
// }
for (int i = left; i <= right;)
{
if (0 == nums[i])
{
swap(nums[i], nums[left]);
++left;
++i;
}
else if (2 == nums[i])
{
swap(nums[i], nums[right]);
--right;
}
else
++i;
// else
// {
// if(nums[i]>nums[right])
// {
// swap(nums[i],nums[right]);
// if(0 == nums[i]) ++left;
// }
// }
}
}
int main()
{
vector<int> nums = { 2,0,2,1,1,0 };
sortColors(nums);
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