Go: package main

import (
	"bufio"
	_ "container/heap"
	"fmt"
	"os"
	_ "sort"
	"strconv"
)

// I/O
type Scanner struct {
	sc *bufio.Scanner
}

func NewScanner() *Scanner {
	sc := bufio.NewScanner(os.Stdin)
	sc.Split(bufio.ScanWords)
	sc.Buffer(make([]byte, 1024), int(1e+9))
	return &Scanner{sc}
}

func (s *Scanner) nextStr() string {
	s.sc.Scan()
	return s.sc.Text()
}

func (s *Scanner) nextInt() int {
	i, e := strconv.Atoi(s.nextStr())
	if e != nil {
		panic(e)
	}
	return i
}

func (s *Scanner) nextFloat() float64 {
	f, e := strconv.ParseFloat(s.nextStr(), 64)
	if e != nil {
		panic(e)
	}
	return f
}

func (s *Scanner) nextRuneSlice() []rune {
	return []rune(s.nextStr())
}

func (s *Scanner) nextIntSlice(n int) []int {
	res := make([]int, n)
	for i := 0; i < n; i++ {
		res[i] = s.nextInt()
	}
	return res
}

func (s *Scanner) nextFloatSlice(n int) []float64 {
	res := make([]float64, n)
	for i := 0; i < n; i++ {
		res[i] = s.nextFloat()
	}
	return res
}

// Arithmetic
func max(nums ...int) int {
	m := nums[0]
	for _, i := range nums {
		if m < i {
			m = i
		}
	}
	return m
}

func min(nums ...int) int {
	m := nums[0]
	for _, i := range nums {
		if m > i {
			m = i
		}
	}
	return m
}

func abs(x int) int {
	if x > 0 {
		return x
	}
	return -x
}

func pow(x, y int) int {
	res := 1
	for i := 0; i < y; i++ {
		res *= x
	}
	return res
}

func ceil(a, b int) int {
	if a%b == 0 {
		return a / b
	} else {
		return a/b + 1
	}
}

func gcd(a, b int) int {
	if b == 0 {
		return a
	}
	return gcd(b, a%b)
}

func lcm(a, b int) int {
	return a / gcd(a, b) * b
}

// Sort
type RuneSlice []rune

func (a RuneSlice) Len() int           { return len(a) }
func (a RuneSlice) Less(i, j int) bool { return a[i] < a[j] }
func (a RuneSlice) Swap(i, j int)      { a[i], a[j] = a[j], a[i] }

// Main
const MOD = int(1e+9) + 7
const INF = 1 << 60

func main() {
	sc := NewScanner()
	wtr := bufio.NewWriter(os.Stdout)
	defer wtr.Flush()
	var nums []int
	for i := 1; i < 2*100+1; i++ {
		nums = append(nums, i*(i+1)*(i+2)/6)
	}
	var ins []int
	N := 0
	for true {
		n := sc.nextInt()
		if n == 0 {
			break
		}
		ins = append(ins, n)
		N = max(N, n)
	}
	dp := make([]int, N+1)
	dp2 := make([]int, N+1)
	for i := 1; i < N+1; i++ {
		dp[i] = INF
		dp2[i] = INF
	}
	for i := 0; i < len(nums); i++ {
		n := nums[i]
		if n > N {
			break
		}
		for j := 0; j < N+1; j++ {
			if j >= n {
				dp[j] = min(dp[j], dp[j-n]+1)
				if n%2 != 0 {
					dp2[j] = min(dp2[j], dp2[j-n]+1)
				}
			}
		}
	}
	for i := 0; i < len(ins); i++ {
		fmt.Fprintln(wtr, dp[ins[i]], dp2[ins[i]])
	}
}

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

using namespace std;

int dp1[100010]={0};
int dp2[100010]={0};

void setpolloc(){
	int i,j;
	for(i=1;i*(i+1)*(i+2)/6<=100010;i++){
		dp1[i*(i+1)*(i+2)/6]=1;
		if((i*(i+1)*(i+2)/6)%2) dp2[i*(i+1)*(i+2)/6]=1;
	}
	for(i=1;i<=100010;i++){
		if(dp2[i]) continue;
		for(j=1;j<=i-1;j+=2)if(!dp2[i] || dp2[j]+dp2[i-j] < dp2[i]) dp2[i]=dp2[j]+dp2[i-j];
		if(dp1[i]) continue;
		for(j=1;j<=i-1;j++) if(!dp1[i] || dp1[j]+dp1[i-j] < dp1[i]) dp1[i]=dp1[j]+dp1[i-j];
	}
}


int main(){
	int n;
	setpolloc();
	while(cin>>n,n){
		cout << dp1[n] << ' ' << dp2[n] << endl;
	}
	return 0;
}

C++: #include <bits/stdc++.h>
#define REP(i,n) for (int i=0;i<(n);i++)
#define ALL(a) (a).begin(),(a).end()
#define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--)
#define REP(i,n) for (int i=0;i<(n);i++)
#define RREP(i,n) for (int i=(n)-1;i>=0;i--)
#define ll long long
#define ull unsigned long long
int dx[4] = {1, 0, -1, 0};
int dy[4] = {0, 1, 0, -1};

using namespace std;
const int Max = 1000000;
void update(vector<int> &a,int x){
  for(int i = x;i<Max;i++){
    a[i] = min(a[i-x]+1,a[i]);
  }
}
    

int main(){
  vector<int> a(Max,Max);
  vector<int> o(Max,Max);
  a[0]=0;o[0]=0;
  for(int i=0;;i++){
    int x=i*(i+1)*(i+2)/6;
    if(x>Max)break;
    update(a,x);
    if(x&1)update(o,x);
  }
  int n;
  while(cin>>n,n){
    cout << a[n] << " " << o[n] << endl;
  }
    return 0;
}

C++: #include<iostream>
#include<cstring>
#include<algorithm>
#define INF 1<<28
using namespace std;
 
int p[222];
int memo[1111111];
int memo2[1111111];
 
int solve(int n){
   
  if(!n) return 0;
  if(~memo[n]) return memo[n];
 
  int ans = INF;
  for(int i=1;n<=p[i];i++) ans = min(ans, solve(n-p[i])+1);
   
  return memo[n] = ans;
}
 
int solve2(int n){
   
  if(!n) return 0;
  if(~memo2[n]) return memo2[n];
 
  int ans = INF;
  for(int i=1;n<=p[i];i++) if(p[i]&1) ans = min(ans, solve2(n-p[i])+1);
 
  return memo2[n] = ans;
}
 
int main(){
   
  int n;
   
  memset(memo, -1, sizeof(memo));
  memset(memo2, -1, sizeof(memo2));
 
  for(int i=0;i<185;i++) p[i] = i*(i+1)*(i+2)/6;
  while(cin >> n, n) cout << solve(n) << " " << solve2(n) << endl;
 
}

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

using namespace std;

int MAX;
vector<int> V;
vector<int> D;
int N;
int M;
bool dp[10][1000100] = {0};

void solve(int n) {
	memset(dp, 0, sizeof(dp));

	int ans = 1;

	for (int i=0; i<N && V[i]<=n; i++)
		dp[0][V[i]] = 1;

	for (int i=1; i<6 && !dp[i-1][n]; i++) {
		ans++;
		for (int j=0; j<=n; j++) {
			if (!dp[i-1][j]) continue;
			for (int k=0; k<N && j+V[k]<=n; k++)
				dp[i][j+V[k]] = 1;
		}
	}

	cout << ans << " ";

	memset(dp, 0, sizeof(dp));

	ans = 1;

	for (int i=0; i<M && D[i]<=n; i++)
		dp[0][D[i]] = 1;

	for (int i=1; i<=MAX && !dp[1-i%2][n]; i++) {
		ans++;
		for (int j=0; j<=n; j++)
			dp[i%2][j] = 0;
		for (int j=0; j<=n; j++) {
			if (!dp[1-i%2][j]) continue;
			for (int k=0; k<M && j+D[k]<=n; k++)
				dp[i%2][j+D[k]] = 1;
		}
	}

	cout << ans << endl;
}

int main() {
	MAX = (int)pow(10.0, 6);
	for (int i=1; i*(i+1)*(i+2)/6<=MAX; i++) {
		V.push_back(i*(i+1)*(i+2)/6);
		if ( V[i-1]%2==1 ) D.push_back(i*(i+1)*(i+2)/6);
	}
	N = (int)V.size();
	M = (int)D.size();

	int n;
	cin >> n;
	while (n!=0) { 
		solve(n);
		cin >> n;
	}
	return 0;
}

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

int main(void)
{
  for(;;){
    int x;
    cin >> x;

    if(x==0)
      break;

    int count=0;
    int count_ki=0;
    int tmp;
    

    int coin[100000];
    int coin_ki[100000];
   
    int tmp2=0;
  
    for(int i=1;i<x;i++){
      tmp=i*(i+1)*(i+2)/6;
      if(tmp>x)break;
      coin[i-1]=tmp;
      count=i;
      if(coin[i-1]%2==1){
	coin_ki[tmp2++]=coin[i-1];
	count_ki=tmp2;
      }
    }
    int dp[100000];
    
    for(int i=0;i<100000;i++)
      dp[i]=100000;

    dp[0]=0;
    for(int i = 0;i<x;i++){
      for(int j=0;j<count-1;j++){
	if(i+coin[j]<=x){
	  //dp[i+coin[j]]=min(dp[i+coin[j]],dp[i]+1);
	  tmp=min(dp[i+coin[j]],dp[i]+1);
	  //dp[i+coin[j]]=tmp;
	}
      }
    }


    int ans1=dp[x];

    int dp2[100000];
    
    for(int i=0;i<100000;i++)
      dp2[i]=100000;



    dp2[0]=0;
    for(int i = 0;i<x;i++){
      for(int j=0;j<count_ki;j++){
	if(i+coin_ki[j]<=x){
	  //dp2[i+coin_ki[j]]=min(dp2[i+coin_ki[j]],dp2[i]+1);
	  tmp=min(dp2[i+coin_ki[j]],dp[i]+1);
	  //dp[i+coin_ki[j]]=tmp;
	}
      }
    }
   
    
    int ans2=dp2[x];
    
    printf("%d %d\n",ans1,ans2);
  }
  return 0;
}