Go: package main
import (
	"fmt"
	"os"
	"strconv"
	"bufio"
	"math"
)

var sc = bufio.NewScanner(os.Stdin)

func main(){
	sc.Split(bufio.ScanWords)
	n := nextInt()
	ans := calc(n)
	fmt.Println(ans)
}

func calc(n int) float64{
	tmp := 100000.0
	for i:=0; i<n; i++{
		tmp+=tmp*0.05
	}
	return Round(tmp, -4)
}

func Round(f float64, places int) float64{
	shift := math.Pow(10, float64(places))
	return math.Floor(f * shift+.5)/shift
}

func next()string{
	sc.Scan()
	return sc.Text()
}

func nextInt()int{
	a, _ := strconv.Atoi(next())
	return a
}

C++: #include<iostream>
#include<string>
#include<algorithm>
using namespace std;
int main(){
	int n,ans=100000;
	cin>>n;
	
	for(int i=0;i<n;i++){
		ans*=1.05;
		if(ans%1000!=0){
			ans=ans-(ans%1000);
			ans+=1000;
		}
	}
	cout<<ans<<endl;
    return 0;
}

C++: #include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;

long int kane(int k){
	long int shakkin = 100000;
	for(int i=0;i<k;i++){
		shakkin = shakkin*1.05;
	if(shakkin%1000!=0)
		shakkin += 1000-(shakkin%1000);
	}
	return shakkin;
}

int main() {
	int n;
	cin >> n;
	cout << kane(n) << endl;
	return 0;
}

C++: #include<iostream>
using namespace std;

int main(){
  
  double n,mon=100000;
  cin>>n;
  for(int i=0;i<n;i++){
    mon=mon*1.05;
    mon=(mon+999)-(int(mon+999)%1000);
  }
  cout<<mon<<endl;   
  return 0;
}

C++: #include <cstdio>
#include <cstdlib>
#include <cmath>
#include <climits>
#include <cfloat>
#include <map>
#include <utility>
#include <set>
#include <iostream>
#include <memory>
#include <string>
#include <vector>
#include <algorithm>
#include <functional>
#include <sstream>
#include <complex>
#include <stack>
#include <queue>

using namespace std;
static const double EPS = 1e-10;

int main(){
	int n;
	int debt = 100000;

	cin >> n;

	for(int i = 0; i < n; i++){
		debt += debt/20;
		if((debt % 1000) != 0){
			debt += 1000;
		}
		debt = debt/1000*1000;
	}

	cout << debt <<endl;

	return 0;
}

C++: #include <iostream>
using namespace std;
int main(){
	int n;cin>>n;
	int debt = 100000;
	for(int i=0;i<n;i++){
		debt = (int)((debt*1.05+900)/1000)*1000;
	}
	cout << debt << endl;
}

C++: #include<iostream>

using namespace std;


main(){

  int n;
  double money=100000;
  int i;

  cin >> n;

  for(i=0;i<n;i++){

    money*=1.05;
    money/=1000;
    money+=0.9;

    money=(int)money;
    money*=1000; 
    
    
    
  }



  cout << (int)money << endl;




  return 0;
}

C++: #include <iostream>

using namespace std;

static const int ROUND = 1000;

int weeks;
double loan = 100000;
int rishi = loan * 0.05;
int temp;

int main(){
  scanf("%d", &weeks);
  while (weeks != 0){
      loan = loan *1.05;
      loan = (int(loan/ROUND) +1) * ROUND;
      weeks--;
  }
 cout << loan << endl;
 return 0;   
}

C++: #include <iostream>


using namespace std;

int main(){
  int n;
  double money=100000;
  cin >> n;

  for(int i = 0;i<n;i++){
    money+=(money*0.05);
  }
 money= ((int)money/10000)*10000+10000;
  cout << money<<endl;
  return 0;
}

C++: #include <stdio.h>
int main(){
int n,ans=100000;
scanf("%d",&n);
for(int i=0;i<n;i++){
ans*=1.05;
ans-=ans%1000;
}
printf("%d\n",ans);
}

C++: #include <stdio.h>
#include <stdlib.h>
#include <math.h>
#pragma warning(disable:4996)

int main()
{

	int Debt = 100000;
	int Weeks = 0;
	scanf("%d", &Weeks);

	for (int nCnt = 0; nCnt < Weeks; nCnt++)
	{
		Debt += Debt * 0.05f;
		if (Debt % 1000 > 0)
			Debt += 1000 - (Debt % 1000);
	}

	printf("%d\n", Debt);

	return 0;
}

C++: #include <iostream>
#include <algorithm>
#include <vector>
#include <functional>
#include <sstream>
#include <stdio.h>
using namespace std;

// Debt Hell(0007)
int main()
{
	int n, ans = 100000;
	cin >> n;
	for (int i = 0; i < n; ++i) {
		int r = ans * 0.05;
		double rr = ans * 0.05;

		if (static_cast<double>(r) != rr || r % 1000 != 0)
			r = (r / 1000) * 1000 + 1000;
		ans += r;
	}
	cout << ans << endl;
	return 0;
}

C++: #include <iostream>
using namespace std;

int main(){

  int n,tmp;
  double debt = 100;

  cin >> n;
  while(n){
    debt *= 1.05;
    tmp = (int)debt;
    if( debt > tmp ) debt = tmp + 1;
    n--;
  }

  cout << debt*1000 << endl; 
  return 0;
}

C++: #include <iostream>
#include <cmath>
using namespace std;

int main() {
	int weeks;
	cin >> weeks;

	double debt = 100000;
	while (weeks--) {
		debt = debt + debt * 0.05;
		debt = ceil(debt / 1000) * 1000;
	}
	
	cout << int(debt) << endl;;
	return 0;
}

C++: #include <iostream>

using namespace std;

int main(int argc, char **argv)
{
	int s, n, t;
	
	while(cin >> n){
		s = 100000;
		for(int i = 1; i <= n; i++){
			s += (s*0.05);
			t = s % 1000;
			if(t != 0){
				s = s - t + 1000;
			}
		}
		cout << s << endl;
	}
	
	return 0;
}

C++: #include <iostream>
#include <math.h>

int calcDebt(int debt){
	double tmp = debt * 1.05;
	int result = (int) ceil(tmp);
	if(result % 1000 == 0){
		return result;
	}else{
		return (result / 1000 + 1) * 1000;
	}
}
int main(){
	int result = 100000;
	int n;
	scanf("%d", &n);
	for(int i=0; i<n; i++){
		result = calcDebt(result);
	}
	printf("%d\n", result);
	return 0;
}

C++: #include<iostream>
#include<cstring> 
using namespace std;
int main()
{
    int n,s=10000;
    cin>>n;
    n++;
    while(n--)
    {
    	s+=500;
	}
	cout<<s<<endl;
}

C++: #include <iostream>
#include <math.h>
using namespace std;

int main() {
  unsigned int week;
  cin >> week;
  float debt = 100;  // in unit of 1000.

  for(int i=0; i<week; i++) {
    debt *= 1.05;
    debt = ceil(debt);
  }

  cout << (int)debt*1000 << endl;

  return 0;
}

C++: #include<iostream>
#include <cstdio>
#include<cmath>
#include<vector>
#include<algorithm>
#include<cstring>

using namespace std;

////Nayeem Shahriar Joy,Applied Physics &Electronic Engineering,University of Rajshahi.

int main(){
	int  s=100000;

	int n;
	scanf("%d",&n);


	for(;n--;){
		if(int(s*1.05)%1000==0){
			s=int(s*1.05);
		}else{
			s= int(s*1.05) + (1000- int(s*1.05) % 1000);
		}
	}
	printf("%d\n",s);

	return 0;
}

C++: #include<iostream>
#include<string>
#include<algorithm>
#include<vector>
#include<queue>
#include<map>
#include<math.h>
#include<iomanip>
#include<set>
#include<numeric>
#include<cstring>
#include<cstdio>
#include<functional>
#include<bitset>
#include<limits.h>
#include<cassert>
#include<iterator>
#include<complex>
#include<stack>
#include<sstream>
#include<iterator>
using namespace std;
typedef  long long int lint;
typedef pair<int, int> IP;
typedef pair<lint, lint> LLP;
typedef pair<char, char>CP;
#define rep(i, n) for (int i = 0; i < n; i++)
#define repr(i, n) for (int i = n; i >= 0; i--)
#define sort(v) sort((v).begin(), (v).end())
#define reverse(v) reverse((v).begin(), (v).end())
#define upper(v,hoge) upper_bound(v.begin(),v.end(),hoge)
#define lower(v,hoge) lower_bound(v.begin(),v.end(),hoge)
#define llower(v,hoge) *lower_bound(v.begin(), v.end(), hoge)
#define lupper(v,hoge) *upper_bound(v.begin(), v.end(), hoge)

int main() {
	int N;
	cin >> N;
	lint now = 100000;
	rep(i, N) {
		now += now * 5/100;
		now = now / 1000 * 1000 + 1000 * bool(now % 1000);
	}
	cout << now << endl;
}

C++: #include <iostream>
#include <cmath>

int main(void) {
    int64_t remain = 100000;
    
    int n;
    std::cin >> n;
    
    for(int i = 0; i < n; i++) {
        remain *= 1.05;
        if(remain % 1000 > 0)
            remain = (remain - remain % 1000) + 1000;
    }
    
    std::cout << remain << std::endl;
}

C++: #include <stdio.h>


int main(void){
    int debt=1000; // *100yen
    int n;

    scanf("%d", &n);
    for (int i=0; i<n; i++){
        debt *= 1.05;
        if (debt % 10){
            debt += (10 - (debt % 10));
        } 
    }
    printf("%d000", debt);
    return 0;
}