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
	}
	tmp = Ceil(tmp, -4)
	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>

int main(int argc, const char * argv[]) {
    using namespace std;
    int n = 100000, t ;
    cin >> t;
    for (int i=1;i<=t;i++) {
        n *= 1.05;
        if (n%1000!=0)
            n += 1000-(n%1000);
    }
    cout << (int)n << "\n";
    return 0;
}

C++: #include <stdio.h>

int main(void)
{
	int n,m;
	
	m=100000;
	scanf("%d",&n);
	
	while(n>0)
	{
		m=(m*105)/100;
		if(m%1000>0)
		{
			m=((m/1000)+1)*1000;
		}
		n--;
	}
	
	printf("%d",m);
	return 0;
}

C++: #include <iostream>

using namespace std;

int main()
{
    int n;
    float a = 100000;
    cin >> n;
    for(int i =0; i < n; ++i){
        a = a * 1.05;
        a /= 1000;
        if(a - int(a) > 0)
            a += 1;
        a  = int(a);
        a *= 1000;
    }
    cout << a << endl;
    return 0;
}

C++: #include <bits/stdc++.h>
using namespace std;

int main(){
	double n,i,tmp;
	double ans=100000;
	cin>>n;
	while(n--){
		ans *= 1.05;
		ans = ceil(ans/1000.0)*1000.0;

	}
	printf("%.f\n", ans);
	return 0;
}

C++: #include <stdio.h>

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

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

  return 0;
}

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

int main(void)
{
  int n;
  cin >> n;
  double ans = 100000.0;
  for(int i = 0; i < n; i++){
    ans = ans*1.05;
  }
  ans = (int)ans/10000;
  ans = ans+1;
  ans = ans*10000;

  cout << ans << endl;

  return 0;
}

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

int main(){
  int a=100000,n;
  scanf("%d",&n);
  
  while(n--){
    int b=a/20;
    a+=b-b%1000;
    if(b%1000!=0)
      a+=1000;
  }

  printf("%d\n",a);
}

C++: #include<iostream>
using namespace std;
int main() {
  int n;
  cin>>n;
  int m=100000;
  for(int i=0;i<n;i++)
    m*=1.05;
  if((m%10000)!=0) {
    m/=10000;
    m*=10000;
    m+=10000;
  }
  cout<<m<<endl;
  return 0;
}

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

int main(void) {
    int sum = 100000;
    int n;
    
    cin >> n;
    
    for(int i = 0; i < n; ++i) {
        sum *= 1.05;
        if((sum % 1000) != 0) {
            sum = (sum / 1000 + 1) * 1000;
        }
    }
    cout << sum << endl;
}

C++: #include<iostream>
#include<cstdio>
#include<cstring>
#include<iomanip>
#define LL long long
using namespace std;

int main(){
    int n;
    while(cin>>n){
        int debt=100000;
        while(n--){
            debt*=1.05;
            if(debt%1000!=0){
                debt=(debt/1000+1)*1000;
            }
        }
        cout<<debt<<endl;
    }
    return 0;
}

C++: #include <iostream>
#include <cmath>
using namespace std;
inline int ceil(double x, double base) {
    return ceil(x / base) * base;
}
int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);

    int n; cin >> n;
    cout << ceil(100000.0 * pow(1.05, n), 1000.0) << "\n";

    return 0;
}

C++: #include <iostream>
#include <string>
#include <cstdlib>
#include <cctype>
#include <math.h>

static bool input(int& n)
{
    if (0x00 == &n) {
        std::cerr << "n is null" << std::endl;
        return false;
    }

    std::string tmp("");
    char c = 0;

    std::cin >> c;
    if (std::isdigit(static_cast<int>(c))) {
        tmp = c;
    	n = std::atoi(tmp.c_str());
    }

    return true;
}

static double calcBalanceOfDebt(int n)
{
    double balance = 100000;

    for (int i = 1; i <= n; i++) {
        balance *= 1.05;
        balance = ceil(balance / 1000) * 1000;
    }

    return balance;
}

int main()
{
    int num = 0;

    input(num);
    std::cout << calcBalanceOfDebt(num) << std::endl;

    return 0;
}

C++: #include <iostream>

using namespace std;

int main() {
	int n; cin >> n;
	int ans = 100000;
	int tmp;
	for (int i=0; i<n; i++) {
		ans *= 1.05;
		tmp = ans / 1000 * 1000;
		if (tmp != ans) ans = tmp + 1000;
	}
	cout << ans << endl;
	return 0;
}

C++: #include<stdio.h>

int main()
{
	int n;
	scanf("%d", &n);
	int i;
	long long int total = 100000;
	for (i = 0; i < n; i++)
	{
		total = total*1.05;
		total = total / 100.0;
		if (total % 10 != 0)total = total + (10 - (total % 10));
		total = total * 100;
	}
	printf("%lld\n", total);
	return 0;
}

C++: #include <iostream>
using namespace std;
#define DEBT 100000
#define INTEREST 5 //%
int main()
{
	int n;
	int sumdebt=DEBT;
	cin >> n;
	for(int i = 0; i < n; ++i)
	{
		sumdebt = sumdebt + (int)sumdebt*((float)INTEREST/100);
		if(sumdebt % 1000 != 0)
		{
			sumdebt = sumdebt + (1000-(sumdebt%1000));
		}
	}

	cout << sumdebt << endl;
	return(0);
}

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;
	}
}