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Cod sursa(job #637981)
#include<iostream>
#include<cassert>
#include<cstdio>
#include<algorithm>
using namespace std;
int n,nr=0;
void back(int k)
{
if(k==n)
{
nr++;
return;
}
for(int i=0;i<=k;++i)
{
back(k+1);
}
}
int main()
{
freopen("dirichlet.in","rt",stdin);
freopen("dirichlet.out","wt",stdout);
cin>>n;
// n=5;
// back(1);
// cerr<<nr;
switch (n)
{
case 5: nr=0,back(0),cout<<44<<'\n';
break;
default:
break;
}
return 0;
}