First missing integer leetcode

First missing number leetcode

 int firstMissingPositive(vector<int>& nums) 
    {
        for(int i=0;i<nums.size();i++)
            while(nums[i]>0 && nums[i]<=nums.size() && nums[nums[i]-1]!=nums[i])
                swap(nums[i],nums[nums[i]-1]);
        
        for(int i=0;i<nums.size();i++)
            if(i+1!=nums[i])
                return i+1;
        
        return nums.size()+1;
    }

Source: grepper.com

Similar codes

0 vote290 views1 answer
C++ get type name of object
C++
3 votes285 views1 answer
Map declaration c++
C++
2 votes286 views1 answer
C++ lambda thread example
C++
0 vote261 views1 answer
Define c++
C++
0 vote301 views1 answer
Flag controlled while loop c++
C++
12 votes271 views2 answers
Inheritance
C++
267 votes382 views1 answer
Visual studio c++ compiler
C++
1 vote276 views2 answers
C++ cast to type of variable
C++
0 vote268 views1 answer
Deal with bad input cpp
C++
18 votes304 views5 answers
Bold text latex
C++