Insertion sort code algorithm

[Algorithms]I trying to program an insertion sort code,my problem that it doesn't sort and the output is like the input,what can i do ?


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  #include <map>
#include <set>
#include <list>
#include <cmath>
#include <ctime>
#include <deque>
#include <queue>
#include <stack>
#include <bitset>
#include <cstdio>
#include <vector>
#include <cstdlib>
#include <numeric>
#include <sstream>
#include <iostream>
#include <algorithm>
using namespace std;
/* Head ends here */
void insertionSort(vector <int>  ar) {
   int temp;
   int i,j,k,x;
    for(i = 0;i<ar.size();i++)
    {
        for(j = 0;j<ar.size();j++)
        {
            if(ar[j]<ar[i])
            {
                for(k = j;k<=i;k--)
                {
                    temp = ar[j];
                    ar[k] = ar[k-1];

                }
               ar[i] = temp;
                break;

            }
      }
            for(x = 0;x<ar.size();x++)
            {
                cout<<ar[x];
            }
            cout<< endl;
             }
            }

/* Tail starts here */
int main(void) {
   vector <int>  _ar;
   int _ar_size;
   int _ar_tmp;
cin >> _ar_size;
for(int _ar_i=0; _ar_i<_ar_size; _ar_i++) {

   cin >> _ar_tmp;
   _ar.push_back(_ar_tmp);
}

insertionSort(_ar);

   return 0;
}

Looks like you are loosing information on line 30 to 31 because temp is simply holding the last value in the range of that for-loop. So nothing is being swapped until that for-loop has finished execution.
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