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>
#define REP(i,n) for(int i=0;i<n;i++)
using namespace std;

int main() {
    int debt = 10000;
    int n;
    cin >> n;
    REP(i,n) {
        debt += debt / 20;
        debt = (debt + 500)/1000*1000;
    }
    cout << debt << '\n';
}

C++: #include <iostream>
#include <string>
#include <map>
#include <vector>
#include <algorithm>
#include <stdio.h>
#include <math.h>
#include <iomanip>
using namespace std;
int main(){
  int n,res;
  double m=100000;
  cin>>n;
  if(!n){cout<<m<<endl;return 0;}
  for(;n;n--)
    m*=1.05;
  m/=10000;
  m+=1;
  res=(int)m*10000;
  cout<<res<<endl;
  return 0;
}

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

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

	int loan = 100000;
	for (int i = 0; i < n; i++) {
		loan *= 1.05;
		if (int tmp = loan % 1000)
			loan += 1000 - tmp;
	}
	std::cout << loan << std::endl;
}

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

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

  for (int i = 1; i <= n; i++){
    debt *= 105;
    debt /= 100;
    if (debt % 1000 > 0){
      debt /= 1000;
      debt++;
      debt *= 1000;
    }
  }
  cout << debt << "\n";

  return 0;
}

C++: #include <iostream>
#include <vector>
#include <fstream>
#include <algorithm>
#include <iomanip>
#include <map>
#include <queue>
#include <stack>
#include <set>
#include <ctime>
#include <iterator>
#include <sstream>
#include <cstdio>
#include <cstdlib>
#include <cmath>
using namespace std;

int main()
{
   int n;
   cin>>n;
   int act = 100000;
   for(int c=0;c<n;c++)
   {
       act = (act + act / 20);
        if(act % 1000) act = (act/1000+1)*1000;
   }
   cout<<act<<endl;
}

C++: #include<iostream>
#include<cmath>
int main(){
	double yami = 100.000;
	int n;
	std::cin >> n;
	for(int i = 0;i < n; ++i){
		yami += yami / 20.000;
		if(ceil(yami) != floor(yami)){
			yami = ceil(yami);
		}
	}
	std::cout << yami * 1000 << '\n';
	return 0;
}

C++: #include <iostream>

int main() {
	int nWeeksLater;
	std::cin >> nWeeksLater;

	const int first = 100000;
	int interest = first * 0.05;
	int loan;

	for (int i = 0; i < nWeeksLater; i++)
		loan = first + interest * nWeeksLater;

//std::cout << loan << std::endl;

	int a = loan / 10000;
//std::cout << a << std::endl;
	loan = loan % 10000 >= 5000 ? (a + 1) * 10000 : a * 10000;

	std::cout << loan << std::endl;
}

C++: #include<iostream>

using namespace std;

int main(){

int x = 100000,y,n = 1;
cin >> y;

while(n <= y){
  if(x % 1000 == 0){
    x = x*1.05;}
  else {
  x =(x - x % 1000 + 1000)*1.05;}
  ++n;}

if(x % 1000 == 0) {cout << x << endl;}
 else {cout << x - x % 1000 + 1000 << endl;}

return 0;
}

C++: #include<iostream>

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

C++: ///
// File:  0007.cpp
// Author: ymiyamoto
//
// Created on Wed Nov  8 22:11:50 2017
//

#include <cstdint>
#include <iostream>

using namespace std;

#define DEBT_INIT 100000

int32_t main()
{
  uint32_t weeks;
  cin >> weeks;

  uint64_t debt = DEBT_INIT;
  for (uint32_t i = 0; i < weeks; i++) {
    uint64_t interest = ((uint64_t)(debt * 0.05 + 999) / 1000) * 1000;
    debt += interest;
  }

  cout << debt << endl;

  return 0;
}

C++: #include <iostream>
#include <iomanip>
#include <vector>
#include <algorithm>
#include <string>
#include <cstdio>
#include <cmath>
#include <map>
using namespace std;

#define N 100000;

int main()
{
	int n;
	int a;
	a = N;
	cin >> n;
	for (int i = 0; i < n; ++i)
	{
		a *= 1.05;
	}
	cout << a / 10000 * 10000 + 10000<< endl;
}

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

int main(){
	int src=100000;
	int n;
	cin >> n;
	for(int i=0;i<n;i++){
		src=src*105/100;
		if(src%1000)
			src= src-src%1000+1000;
	}
	cout << src << endl;
}

C++: #include <iostream>

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

C++: #include <stdio.h>

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

	scanf("%d", &n);
	for(int i=0 ; i<n ; i++){
		money *= 1.05;
		if(money%1000 != 0){
			money += 1000 - (money%1000);
		}
	}
	printf("%d\n", money);

	return 0;
}

C++: #include <iostream>

using namespace std;

int main(){
	double debt = 100000.0;
	int n, r;
	cin >> n;
	while ( n-- > 0 ){
		debt *= 1.05;
		r = (int)debt % 1000;
		if ( r != 0 ){
			debt = debt - r + 1000;
		}
	}
	cout << debt << endl;
	
	return 0;
}

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

int main(){

	int n;
	int sum = 100000;

	cin>>n;

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

		sum *= 105/100.0;

		if(sum%1000>100){
			sum /= 1000;
			sum *= 1000;
			sum += 1000;
		}
	}

	cout<<sum<<endl;
	return 0;
}

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

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

  scanf("%d", &n);
  for (int i = 0; i < n; i++){
    debt = debt / 100 * 105;
    if (debt % 1000 != 0){
      debt = (debt / 1000 + 1) * 1000;
    }
  }
  printf("%d\n", debt);

  return (0);
}

C++: #include<stdio.h>

int fun(long long a,int n){
	a=a/20*21;
	if(a%1000!=0){
		a=a/1000*1000+1000;
	}
	n--;
	if(n==0){
		return a;
	}
	else{
		return fun(a,n);
	}
}

signed main(){
	int n;
	long long a;
	scanf("%d",&n);
	a=fun(100000,n);
	printf("%d\n",a);
	return 0;
}

C++: // includes
#include <cstdio>
#include <cstdint>
#include <iostream>
#include <iomanip>
#include <string>
#include <queue>
#include <stack>
#include <vector>
#include <set>
#include <map>
#include <unordered_map>
#include <algorithm>
#include <utility>
#include <functional>
#include <cmath>
#include <climits>
#include <bitset>

// macros
#define ll long long int
#define pb push_back
#define mk make_pair
#define pq priority_queue
#define FOR(i, a, b) for(int i=(a); i<(b);++i)
#define rep(i, n) FOR(i, 0, n)

using namespace std;

//  types
typedef pair<int, int> P;
typedef pair<ll, int> Pl;
typedef pair<ll, ll> Pll;
 
// constants
const int inf = 1e9;
const ll linf = 1LL << 50;
const double EPS = 1e-10;

// solve

int main(int argc, char const* argv[])
{
  ll start = 100;
  int n;
  cin >> n;
  rep(i, n){
    start = start * 105;
    start = (start + 99) / 100;
  }
  cout << start << "000" << endl;
	return 0;
}

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

int main()
{
	int n;
	double debt = 10;
	double risi = 0.05;

	cin >> n;
	for(int i = 0;i < n;i++)
		debt += debt * risi;
	
	cout << ceil(debt) * 10000;

	return 0;
}

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

int main(){
	int input, money = 100000;
	cin >> input;

	for(int i=0; i < input; i++){
		money *= 1.05;
	}
	if(500 <= money % 1000) money = money - money%1000 + 1000;

	cout << money << endl;
}

C++: #include <cstdio>

using namespace std;

long long roundup(long long *x){
  (*x) += 900;
  (*x) /= 1000;
  (*x) *= 1000;
}

long long addinterest(long long *x){
  (*x) *= 1.05;
  roundup(x);
}

int main()
{
  long long debt = 100000;
  int n;
  scanf("%d", &n);
  while(n--)
    addinterest(&debt);

  printf("%lld\n", debt);
  return 0;
}

C++: #include <iostream>
#include <algorithm>
int main()
{
  const int BASE = 100000;
  int n, debt = BASE;
  std::cin >> n;
  while (n--) {
    debt = (loan * 1.05 + 999) / 1000;
    debt *= 1000;
  }
  std::cout << debt << std::endl;
  return 0;
}