недокод

#include <iostream>;
#include <Algorithms>;
#include <math>;
//#include <iomanip> ;
#include <ifstream>;
#include <ofstream>;

using namespace std;

int main()
{
ofstream fo;
fo.open("output.txt");
ifstream fi;
fi.open("input.txt");
int n, m, b, c, y, x, maxc=-1;
int a[200000];
fin>>n>>m;

for ( i = 1; i < n; i++ )
{
    fin>>a[i];
    if (a[i] > maxc)
    maxc = a[i];


}

for ( i = 1; i < n; i++ )
{
    if (a[i]>=(maxc-m))then
    fout<<i<<' ';

}

fout.close();
return 0;

}