Go: package main

import "fmt"

func roundUp1000(dept float64) float64 { 
	iDept := int(dept)
	if iDept-(iDept/1000*1000) != 0 { 
		iDept = ((iDept / 1000) + 1) * 1000 
	}
	return float64(iDept)
}

func main() {
	var week int
	fmt.Scan(&week)

	dept := 100000.0
	for i := 0; i < week; i++ {

		dept *= 1.05
		dept = roundUp1000(dept)
	}

	fmt.Println(int(dept))
}

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

int main(void){
    int n;
    std::cin>>n;
    std::cout<<round(100000*pow(1.05,n)+1000)<<std::endl;
    return 0;
}

C++: #include<iostream>
using namespace std;
int main(){
	bool bo=false;
	int n,a=100000;
	while(cin>>n){
	for(int i=0;i<n;i++){
		a+=100000*0.05;
	}
	if(a%10000==0 && a%1000==0 && a%100==0 && a%10==0){
		bo=true;
	}
	a/=10000;
	if(bo==false){
		a=a+1;
	}
	cout<<a*10000<<endl;
	}
	return 0;
}

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

int main(){
int n;
scanf("%d",&n);
double base = 100000;
for(int i=0;i<n;i++){
base*=1.05;
if((int)base < 1000 && (int)base %1000 !=0) base += 1000;

}
printf("%d\n",(int)base);
}

C++: #include <iostream>
#include <cstdio>
#include <cmath>
#include <vector>
#include <algorithm>
#include <string>
#include <set>
#include <map>
#include <queue>
#include <cstring>
using namespace std;
typedef long long int ll;
const int INF = 1000000000;
#define rep(i,n) for(int i=0;i<(int)(n);i++)

int main(){
    int n; cin >> n;
    int a = 100000;
    rep(i, n){
        int b = a / 20;
        a += b;
        //cout << a << " ";
        int k = a % 1000;
        if(k){
            a -= k;
            a += 1000;
        }
        //cout << a << endl;
    }
    cout << a << endl;
    return 0;
}

C++: #include<iostream>

using namespace std;

int main(void){
	long money = 100000;
	int n;
	cin >> n;
	for(int i = 0; i < n; i++){
		money *= 1.05;
		if(money / 100 % 10) money = money/1000*1000 + 1000;
	}
	cout << money << endl;
	
	return 0;
}

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

int main()
{
    int n = 0;                                          //n習慣
    int debt = 100000;                                  //10万借金

    cin >> n;                                           //入力

    for( int i = 0; i < n; i++ )                        //n回繰り返す
    {
        debt = debt * 105 / 100;                             //5%増える
        if( debt % 1000 != 0 )                     //1~999は切り上がる
            debt = ( debt / 1000 + 1 ) * 1000;
    }

    cout << debt << endl;

    return 0;
}

C++: #include <iostream>

using namespace std;

void solve()
{
	int n;
	cin >> n;
	int sum = 100000;
	for(int i = 0; i < n; ++i)
	{
		sum *= 1.05;
		int temp = sum % 1000;
		if(temp)
		{
			sum = sum - temp + 1000;
		}
	}
	cout << sum << endl;
}

int main()
{
	solve();
	return(0);
}

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

const static double	de_PI	= 3.14159265358979323846;
const static int	de_MOD	= 1000000007;
const static int	de_MAX	= 999999999;
const static int	de_MIN = -999999999;

int main(void) {

	//std::ifstream in("123.txt");	std::cin.rdbuf(in.rdbuf());

	int a = 0;
	std::cin >> a;

	double n = 100000;
	for (int i = 0; i < a; i++) {
		n = n*1.05;
		n = static_cast<int>(ceil(n / 1000));
		n = n * 1000;
	}

	std::cout << n << std::endl;
}

C++: #include <iostream>

using namespace std;

typedef long long ll;

int n, base = 100000;

int main(void) {
    cin >> n;
    for(int i = 0; i < n; i++) {
        base = base + base * 0.05;
        if(base % 1000 != 0) {
            base += 1000 - (base %1000);
        }
    }
    cout << base << endl;
    return 0;
}

C++: #include <iostream>
#include <queue>
#include <stack>
#include <vector>
#include <stdio.h>
#include <algorithm>
#include <string.h>
#include <string>
using namespace std;

long int money = 100000;
int s = 100000;
int a[124],b[124];

int main(){
	int n;
	int tmp;
	cin>>n;
	//while(n!=0){
		money = 100000;
	for(int i=0;i<n;i++){
		money*=1.05;
		//if(i==n-1) cout << "\nbefore  \n" << money <<"\nafter"<<endl;
		if(i==24){
			tmp = money/100;
			//cout<<tmp<<endl;
		}
		tmp = money%1000;
		if(tmp!=0){
			money/=1000;
			money++;
			money*=1000;
			
		}
		b[i+1] = money;
		//if(i==n-1)	cout << money << endl;
	}
		//cout<<b[n]<<endl;
		
		
 
    
    //scanf("%d",&n);
 
 
    for(int i=0;i<n;i++){
        if(int(s*1.05)%1000==0){
            s=int(s*1.05);
        }else{
            s= int(s*1.05) + (1000- int(s*1.05) % 1000);
        }
    	a[i+1] = s;
    }
    //printf("%d\n",s);
	
		for(int i=0;i<n;i++)
		if(a[i+1]!=b[i+1])
			cout<<i+1<<" a = "<<a[i+1]<<" b = "<<b[i+1]<<endl;
	//cout << money << endl;
		//cin >> n;
	//}
	return 0;
}

C++: #include<iostream>

using namedspace std;

int week(int money){
	money = money + money * 0.05;
	money = money + 1000 - ( money % 1000 );
	return money;
}

int main(void){
	int n;
	int money = 100000;
	cin >> n;
	for(int i = 0;i < n;i++){
		money = week(money);
	}
	
	return 0;
}

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

int main(){

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

  return 0;
}

C++: #include <bits/stdc++.h>
#define int long long
using namespace std;
const int INF = 1e9 + 7, MOD = 1e9 + 7;
const long long LINF = 1e18;
const int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1};
signed main() {
	int n, tmp = 100000;
	cin >> n;
	for (int i = 0; i < n; i++) {
		tmp *= 1.05;
		if (tmp % 1000) {
			tmp -= tmp % 1000;
			tmp += 1000;
		}
	}
	cout << tmp << endl;
	return 0;
}

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

#define FOR(i,a,b) for(long long int i=(a);i<(b);i++)
#define REP(i,n) for(long long int i=0;i<(n);i++)
#define ALL(s) (s).begin(),(s).end()

#define PI 3.14159265358479

typedef long long int ll;
typedef vector<long long int> vi;

int main(){
	ll n,m=100000;
	cin >> n;
	REP(i, n){
		m *= 105;
		m /= 100;
		if (m % 1000 != 0){
			m -= m % 1000;
			m += 1000;
		}
	}
	cout << m << "\n";
}

C++: #include <stdio.h>
#include <string>
#include <string.h>
#include <cstring>
#include <algorithm>

const float a=1.05;

using namespace std;



int main(void)
{
	int debt,week;
	scanf("%d",&week);
	debt=100000;
	for(int loop=1;loop<=week;loop++)
	{
		debt*=1.05;
		if(debt%1000!=0)
		{
			debt=debt-(debt%1000)+1000;
		}
	}
	printf("%d",debt);
	return 0; 
}

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

int main(){

	int money = 100000;
	int n;
	cin >> n;

	while (n--)
	{
		money *= 1.05;
		if (money % 1000 != 0)
		{
			money += 1000 - (money % 1000);
		}
	}
	cout << money << endl;

	return 0;
}

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

using namespace std;

int main()
{
	unsigned int n;
	
	cin >> n;
	
	double a = 100000;
	for (int i = 0; i < n; i++)
	{
		a *= 1.05;
		a /= 1000;
		a = ceil(a);
		a *= 1000;
	}
	cout << a << endl;
	
	return 0;
}

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

int main(){
	std::ios::sync_with_stdio(false);
    std::cin.tie(0);
	
	int n=0;cin>>n;
	double a=100000;
	for(int i=0;i<n;i++){
		a*=1.05;
		a/=1000;a=ceil(a);a*=1000;
	}
	
	cout<<a<<endl;
	return 0;
}