inserarea unui numar intr-un sir descrescotr fara sortare

#include <iostream>

using namespace std;

int main()
{
    int v[100],n,i,j,x,nr=0,m,l;
    cout<<"n= ";cin>>n;
    for (i=1;i<=n;i++)
    {cin>>x;
    if (nr==0 || x < v[nr])
    {
        nr++;
        v[nr]=x;
    }
    else
    { // sar elementele mai mari ca x
        j=1;
        while (v[j]>x)
        j++;
        if (v[j]<x)
        {
            // mutam toate elem. spre dreapta cu o pozitie
            for (l=m;l>=j;l--)
            v[l+1]=v[l];
            nr++;
            v[j]=x;
        }
    }
    }

    for (i=1;i<=n;i++)
    cout<<v[i]<<" ";

     return 0;
    }