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 <iostream>
#include<string>
#include<math.h>
#include<stdio.h>
#include <algorithm>
using namespace std;
int main(void){
    // Here your code !

int n;
int m=100000;
cin>>n;
for(;n--;){
if(int(m*1.05)%1000==0) m=int(m*1.05);
else m=int(m*1.05)+(1000-int(m*1.05)%1000); 
}

cout<<m;
return 0;
}

C++: #include <iostream>
#include <cmath>
/*
100
105
111
117
123
130
*/
int main()
{
    int Debt = 100000;
    int Round = 1000;
    Debt /= Round;
    int week;
    std::cin >> week;
    for(int i = 0; i < week; ++i){
        Debt = std::ceil(Debt*1.05);
    }
    Debt *= Round;
    std::cout << Debt << std::endl;
    return 0;
}

C++: #include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <set>
#include <map>
//ranker
using namespace std;

#define REPS(i, a, n) for (int i = (a); i < (n); ++i)
#define REP(i, n) REPS(i, 0, n)
#define RREP(i, n) REPS(i, 1, n + 1)
#define DEPS(i, a, n) for (int i = (a); i >= n; --i)
#define DEP(i, n) DEPS(i, n, 0)

using ll = long long;
using ull = unsigned long long;
using vi = vector<int>;
using vvi = vector<vi>;
using vvvi = vector<vvi>;
using pii = pair<int, int>;
using pis = pair<int, string>;
using psi = pair<string, int>;
using D = double;


int main(){
  int n, sum=100000;
  int i, j, k;
  int tot, ans, num;

  cin >> n;
  for(i=0; i<n; i++){
    sum *= 1.05;
    if(sum%1000 != 0) sum = (sum/1000+1)*1000;
  }
  cout << sum << endl;
  return 0;
}

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

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

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

void test();
int interest(int debt, double interest_rate,int n);

int main(void)
{
	test();
	return 0;
}

void test()
{
	long long debt;
	int n;
	debt = 100000;
	cin >> n;

	debt = interest(debt, 1.05, n) ;
	
	cout << debt << endl;
}

int interest(int debt, double interest_rate,int n)
{

	if (n == 1)
	{	
		int intedebt = debt*interest_rate;
		if((intedebt%1000) != 0)
			return intedebt - intedebt%1000 + 1000;
		else
		{
			return intedebt;
		}
	}
	else
	{
		int func_intedebt = interest(debt, interest_rate, n - 1) * interest_rate;
		if ((func_intedebt % 1000) != 0)
			return func_intedebt - func_intedebt % 1000 + 1000;
		else
			return func_intedebt;
	}
}

C++: #include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <set>
#include <map>
//ranker
using namespace std;

using ll = long long;
using ull = unsigned long long;
using vi = vector<int>;
using vvi = vector<vi>;
using vvvi = vector<vvi>;
using pii = pair<int, int>;
using pis = pair<int, string>;
using psi = pair<string, int>;
using D = double;


int main(){
  int n, sum=100000;
  int i, j, k;
  int tot, ans, num;

  cin >> n;
  for(i=0; i<n; i++){
    sum += sum*(i+1)*0.05;
    sum = (sum/1000+1)*1000;
  }
  cout << sum << endl;
  return 0;
}

C++: #include <iostream>

using namespace std;

int main(int argc, char *argv[]) {
  int n;
  double debt = 100000;
  
  cin >> n;
  for (int i = 0; i < n; i++) {
    debt *= 1.05;
    debt = (int)(debt / 1000 + 0.9) * 1000;
  }
  cout << (int)debt << endl;
  return 0;
}

C++: #include <iostream>

#define DEFAULT_DEBT 1e5

using namespace std;

int calculate(int);

int main(void){
	int n; cin >> n;
	cout << calculate(n) << endl;

	return 0;
}

int calculate(int week){
	double debt = DEFAULT_DEBT;

	while(week --){
		debt *= 1.05;
		debt = ((debt / 1e3 > (int)(debt / 1e3)) ? 1e3:0) + (int)(debt / 1e3) * 1e3;
	}
	return (int)debt;
}

C++: #include<iostream>
using namespace std;
int main(){
  int n,ans = 100000;
  cin >>n;
  while(n--){
    ans = (int)((double)ans*1.05);
    if(ans%1000>0) ans = (ans/1000+1)*1000;
  }
  cout <<ans<<endl;
  return 0;
}

C++: #include <bits/stdc++.h>

using namespace std;

#define REP(i, n) for(int i = 0; i < n; i++)

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

C++: #include<iostream>
 
int main(){
int n,a,i,b;
std::cin>>n;
 for(i=0,a=100000;i<n;++i){
      a=a+a/20;
        if(a%1000!=0){
        b=a%1000;
        a=a+1000-b;
        }
          }
        std::cout<<a<<std::endl;
        return 0;
        }

C++: //============================================================================
// Name        : 0007.cpp
// Author      : 
// Version     :
// Copyright   : Your copyright notice
// Description : Hello World in C++, Ansi-style
//============================================================================

#include <iostream>
#include <cmath>
using namespace std;

int main() {
	int n;
	cin>>n;
	int x=100000;
	for(int i=0; i<n; i++){
		x=0.05*x+x;
		x=ceil((double)x/1000)*1000;
	}
	cout <<x<<endl;

	return 0;
}

C++: #include<iostream>
//#define DEBT 100000

using namespace std;

main(){
int inNum,i;
int debt = 100000;

cin>>inNum;
for(i = 0; i <= inNum; i++){
debt*=1.05;
}
debt/=10000;
debt*=10000;
cout<<debt<<endl;
}

C++: #include <stdio.h>

int main(){
  int money=100000;
  int remain;
  int weeks;
  int i;

  scanf("%d", &weeks);
  for(i=0; i<weeks; i++){
    money*=1.05;
    remain=money%1000;
    money+=1000-remain;
  }
  printf("%d", money);

  return 0;
}

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

int main() {
	int loan = 100000;
	int hoge = loan * 0.05;
	int n;
	std::cin >> n;

	for (int i = 0; i < n; i++)
		loan += hoge;
	
	if (loan % 10000 < 5000)
		loan = loan / 10000 * 1000;
	else
		loan = loan / 10000 * 10000 + 10000;
	
	std::cout << loan << std::endl;
}

C++: using System;
class main
{
    static void Main(String[] args)
    {
        double n = double.Parse(Console.ReadLine());
        double b = 100000;
        for (int i = 0; i < n; i++)
        {
            b = b * 1.05;
            b = (Math.Ceiling(b / 1000))*1000;
        }
        Console.WriteLine(b);
    }
}

C++: #include<iostream>
#include<cstring>
#include<algorithm>
#include<string>
#include<vector>
#include<cstdio>
#include<map>
#include<cmath>
#define pb(in,tmp) in.push_back(tmp)
#define loop(i,a,b) for(int i=a;i<b;i++)
#define rep(i,b) loop(i,0,b)
#define all(in) in.begin(),in.end()
const double PI=acos(-1);
using namespace std;
int main(){
	int n;
	int out=100000;
	cin>>n;
	rep(i,n){
		out*=1.05;
		if(out%1000)out+=1000-out%1000;
	}
	cout<<out<<endl;
}

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

int main(void){
    double debt = 100; //  x100
    int n;
    
    scanf("%d",&n);
    for (int i=0; i<n; i++){
        debt *= 1.05;
        debt = ceil(debt);
    }
    printf("%d000\n", (int)debt);
}

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

int main() {
	// your code goes here
	long long debt=100000;
	int n;
	cin >>n;
	for(int i=0;i<n;i++){
		debt = ((debt*1.05)+999)/1000;
		debt*=1000;
	}
	cout<<debt<<endl;
	return 0;
}

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

int main(void) {
    int a=100 , n;
    cin >> n;
    for (int i=0; i<n; i++){
        a = ceil(a*1.05);
    }
    cout << 1000*a << endl;
    return 0;
}