919B Perfect Number codeforces solution in cpp
by ujjal roy
#include<bits/stdc++.h>
using namespace std;
main()
{
int k,sum=0,c=0;
long long int ans,n,r,i;
cin>>k;
for(i=19;1;i++)
{
sum=0;
n=i;
ans=i;
while(n!=0)
{
r=n%10;
sum+=r;
n/=10;
}
if(sum==10) c++;
if(c==k)
{
cout<<ans<<endl;
break;
}
}
return 0;
}
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