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*=1.05
		// tmp = Ceil(tmp, -4) なぜかうまくいかない
		tmp = Ceil(tmp, -3)
		fmt.Printf("now tmp: %d\n", int(tmp))
	}
	return tmp
}

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

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

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

C++: #include <stdio.h>
#include <string>
#include <iostream>

using namespace std;


int main(){
    int week;
    cin >> week;
    double money =10;
    
    for(int i=0; i<week; i++){
        money=money * 1.05;
    }
    printf("%d\n",int(money+0.9)*10000);
}

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

// advance_nはansのn桁目以降が0出なければ切り上げ、0ならそのままにする
//  12000 12345 - (12345 % 10^3
int advance_n(int ans,int n)
{
	return (ans - ans % int(pow(10,n)) + (ans % int(pow(10,n)) != 0)*int(pow(10,n)));
}

int how_much_debt(int n)
{
	if (n==0)
		return 100000;
	else{
		// cout << "(advance_n (how_much_debt(n-1),3))=" << (advance_n (how_much_debt(n-1),3)) << endl;
		return 1.05 * (advance_n (how_much_debt(n-1),3));
	}
		
}

int main()
{
	int a;
	cin >> a;
	// cout << how_much_debt(a) << endl;
	cout << advance_n(how_much_debt(a),3) << endl;
}

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 <stdio.h>
#include <iostream>
#define rep(i,n) for(int i = 0; i < (n); ++i)
using namespace std;
int n;
int main() {
	int k = 100000;
	cin >> n;
	rep(i,n) {
		int r = (int)(k * 1.05) % 1000;
		if(r == 0) {
			k = (int)((k * 1.05) / 1000) * 1000;
		} else {
			k = (int)((k * 1.05) / 1000 + 1) * 1000;		
		}
	}
	cout << k << endl;
	return 0;
}

C++: #include <iostream>

const int debt(const int n)
{
    return (int)(((100000 * 0.05 * n) / 10000) + 0.9) * 10000 + 100000;
}

int main(void)
{
    int n;
    std::cin >> n;

    std::cout << debt(n) << std::endl;

    return 0;
}

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

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n;
    cin>>n;
    int debt=100000;
    for(int i=0; i<n; i++){
        debt=debt/20*21+999;
        debt-=debt%1000;
    }
    cout<<debt<<'\n';
    return 0;
}

C++: #include <iostream>

using namespace std;

int debt_hell(int n) {
        int debt = 100000;
        while(n--) {
                debt = debt * 105;
                debt = debt / 100;

                int rem = debt % 1000;
                if (rem != 0) {
                        debt = debt + 1000;
                }
                debt = debt - rem;
        }
        return debt;
}

int main(void) {
        int n;

        cin >> n;

        cout << debt_hell(n) << endl;

        return 0;
}

C++: #include <iostream>

int main(){
	int n,debt=100000;
	for(int i=0,cin>>n;i<n;i++) debt*=1.05;
	std::cout<<(debt%1000 ? debt/1000*1000+1000 : debt)<<'\n';
	return 0;
}

C++: #include <iostream>
#include <cmath>
#include <algorithm>
#include <string>
#include <stdio.h>
using namespace std;
int main() {
    int n;
    cin >> n;
    int a=100000;
    for(int i=0;i<n;i++){
        a=a*1.05;
        int b;
        b=a/1000;
        if(a%1000!=0){
            a=(b+1)*1000;
        }
    }
    cout << a<<endl;
}

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 * 5;
		if (r % 100000 != 0)
			r = (r / 100000 + 1) * 100000;
		r /= 100;
		ans += r;
	}
	cout << ans << endl;
	return 0;
}

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

int n;
double rent = 100000;

int main()
	{
		cin>>n;
		for(int i=0;i<n;i++)
		{
		 rent = rent *1.05 ;
		 rent = rent /1000;
		 rent = rent + 0.9;
		 rent = (int)rent;
		 rent *= 1000;
		}
		cout << rent << endl;
	}

C++: #include <iostream>
#include <stack>
#include <queue>
#include <set>
#include <map>
#include <vector>
#include <algorithm>
#include <cstring>
#include <cmath>
#include <numeric>
#include <cctype>

using namespace std;

#define loop(i,a,b) for(int i=(a); i<(int)(b); i++)
#define rep(i,b) loop(i,0,b)
#define all(c) (c).begin(), (c).end()
#define rall(c) (c).rbegin(), (c).rend()
#define pb push_back
#define mp make_pair

typedef unsigned uint;
typedef long long ll;
typedef unsigned long ulong;
typedef unsigned long long ull;

typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<string> vs;
typedef vector<bool> vb;
typedef vector<vb> vvb;

typedef double Real;
const Real eps = 1e-9;
const Real inf = 1e20;

int main(){
    int n;
    int k,m;
    m = 100000;
    cin >> n;

    for(int i = 0;i < n;i++){
        m = m*1.05;
        k = m%1000;
        if(k > 0){
            m = 1000+m - k;
        }
    }
    cout << m << endl;
}

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

int main(){
    double money = 10;
    int ans;
    int n;
    cin >> n;
    for(int i=0;i<n;++i){
        money *= 1.05;
    }
    ans = round(money);
    ans *= 10000;
    cout << ans << endl;
}

C++: #include<iostream>
#include<string>
#include<math.h>
using namespace std;
int main(){
int n;
long long int x=100000;
cin>>n;

for (int i=0;i<n;i++){
	x*=1.05;
	x=ceil((double)x/1000)*(1000);
}
cout<<x<<endl;
}

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

int main(){
  int i,j,k;
  int n;
  double  money = 100;

  cin>>n;

  for(i=0;i<n;i++){
    money += money*0.05;
    money = ceil(money);

  }

  cout<<money*1000<<endl;

  return 0;
}

C++: #include <iostream>

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

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

int main()
{
	int x;
	cin >> x;
	int n = 100000;
	for (int i = 0; i < x; i++){
		n = n / 20 * 21;
		if (n % 10000 > 0){
			n = n - n % 10000;
			n += 10000;
		}
	}
	cout << n << endl;
	return 0;
}

C++: #include<cstdio>

int main(){
	int n,k=100000;
	scanf("%d",&n);
	for(;n>0;n--){
		k+=k/20;
		if(k%1000){
			k+=1000;
		}
		k-=k%1000;
	}
	printf("%d\n",k);
	return 0;
}

C++: #include<iostream>
using namespace std;
int main(){
  int n,a=100000;
  cin>>n;
  for(int i=0;i<n;i++){
    a=(a+a*0.05);
    if(a%1000!=0){
    a/=1000;
    a++;
    }
    else a/=1000;
    a*=1000;
  }
    cout<<a<<endl;
  return 0;
}