Go: package main

import (
	"bufio"
	"fmt"
	"math"
	"os"
	"strconv"
	"strings"
)

const MaxW = 1000
const MaxN = 1000

type Tuple struct {
	Value  int
	Weight int
}

func nextLine(sc *bufio.Scanner) string {
	sc.Scan()
	return sc.Text()
}

func solve(w int, n int, vws []Tuple) Tuple {
	var dp [MaxN + 1][MaxW + 1]int

	for i := 0; i < n; i++ {
		for j:= w; j > 0; j-- {
			if j < vws[i].Weight {
				dp[i + 1][j] = dp[i][j]
			} else {
				dp[i + 1][j] = int(math.Max(float64(dp[i][j]), float64(dp[i][j - vws[i].Weight] + vws[i].Value)))
			}
		}
	}

	maxValue := dp[n][w]
	minWeight := w

	for j := w - 1; j > 0; j-- {
		if maxValue == dp[n][j] {
			minWeight = j
		} else {
			break
		}
	}

	return Tuple{Value: maxValue, Weight: minWeight}
}

func main() {
	var sc = bufio.NewScanner(os.Stdin)
	index := 1
	for {
		var w, n int
		w, _ = strconv.Atoi(nextLine(sc))
		if w == 0 {
			return
		}
		n, _ = strconv.Atoi(nextLine(sc))

		vws := make([]Tuple, n, n)
		for i := 0; i < n; i++ {
			array := strings.Split(nextLine(sc), ",")
			v, _ := strconv.Atoi(array[0])
			w, _ := strconv.Atoi(array[1])
			vws[i] = Tuple{Value: v, Weight: w}
		}

		t := solve(w, n, vws)
		fmt.Printf("Case %d:\n", index)
		fmt.Println(t.Value)
		fmt.Println(t.Weight)
		index++
	}
}

C++: #include<iostream>
#include<vector>
#include<cmath>
#include<map>
#include<cstdio>
using namespace std;
#define rep(i,a) for(int i = 0 ; i < a; i ++)
int main(void){
  int w;
  int n;
  int num=0;
  while(cin>>w,w){
    cout<<"Case "<<++num<<":"<<endl;
    cin>>n;
    vector<pair<int,int> > in(n);
    rep(i,n){
      int a,b;
      scanf("%d,%d",&a,&b);
      in[i]=make_pair(a,b);
   }    
    int resw = 0;
    int resm = 0;
    int last = 1<<n;
    for(int i = 1 ; i < last+1 ; i ++){
      //cout<<i<<endl;
      int nw = 0;
      int money = 0;
      rep(j,n){
	bool use = (i/(1<<j))%2;

	//cout<<use<<" ";
	if(use){
	  money += in[j].first;
	  nw += in[j].second;
	}
      }
      if(nw>w){
	continue;
      }
      
      //cout<<endl;
      if(resm<money){
	//cout<<endl;
	  
	resm = money;
	resw = nw;
      }
      if(money==resm && resw>nw){
	resw = nw;
      }
      //cout<<i<<" "<<resw<<endl;
      //cout<<endl;
    }
    cout<<resm<<endl<<resw<<endl;

  }
}

C++: #include<iostream>

using namespace std;

class item
{
public:
	int value;
	int weight;
};

bool input(int *c, int *n, item it[1000])
{
	cin>>*c;
	if(*c==0)
	{
		return false;
	}
	cin>>*n;
	for(int i=0;i<*n;i++)
	{
		char t;
		cin>>it[i].value>>t>>it[i].weight;
	}
	return true;
}

item max(item a, item b)
{
	if(a.value>b.value)
	{
		return a;
	}
	else
	{
		return b;
	}
}

item add(item a, item b)
{
	a.value+=b.value;
	a.weight+=b.weight;
	return a;
}

item solve(int c, int n, item it[1000])
{
	if(c==0||n==0)
	{
		item ans;
		ans.value=0;
		ans.weight=0;
		return ans;
	}
	else if(c<it[n-1].weight)
	{
		return solve(c,n-1,it);
	}
	else
	{
		return max(solve(c,n-1,it),add(solve(c-it[n-1].weight,n-1,it),it[n-1]));
	}
}

int main(void)
{
	int c,n;
	item it[1000];
	for(int i=1;input(&c,&n,it);i++)
	{
		item ans=solve(c,n,it);
		cout<<"Case "<<i<<':'<<endl<<ans.value<<endl<<ans.weight<<endl;
	}
}

C++: #include<iostream>
#include<vector>
#include<cstdio>
#include<algorithm>
#include<string>

using namespace std;

#define reps(i,f,n) for(int i=f;i<int(n);i++)
#define rep(i,n) reps(i,0,n)

int w,n;
vector<int> v;
vector<int> g;

void init(){
	v.clear();
	g.clear();
}
bool input(){
	cin>>w;
	if(w==0)return false;
	cin>>n;
	
	rep(i,n){
		int a,b;
		scanf("%d,%d",&a,&b);
		v.push_back(a);
		g.push_back(b);
	}
	return true;
}

const int W = 1111;
const int N = 1111;
const int INF = 1000000000;
int dp[N][W];

pair<int,int> solve(){
	rep(i,N)rep(j,W)dp[i][j]=0;
	
	dp[0][0] = 0;
	dp[0][g[0]] = v[0];
	
	reps(i,1,n){
		rep(j,w+1){
			dp[i][j] = dp[i-1][j];
			if(j-g[i]>=0)dp[i][j] = max(dp[i][j], dp[i-1][j-g[i]]+v[i]);
		}
	}
	
	int maxp = 0;
	rep(j,w+1){
		if(dp[n-1][maxp]<dp[n-1][j])maxp=j;
	}
	
	/*
	rep(i,n){
		rep(j,w+1)printf("%3d ",dp[i][j]);puts("");
	}*/
	
	return pair<int,int>(dp[n-1][maxp],maxp);
}
int main(){
	for(int i=1;init,input();i++){
		pair<int,int> ans = solve();
		printf("Case %d:\n%d\n%d\n",i,ans.first,ans.second);
	}
}

/*
10
5
60,2
100,4
120,6
210,9
10,1
0


10
2
100,5
90,5
0

*/

C++: #include<bits/stdc++.h>
using namespace std;
int dp[1001][1001],wait[1001],value[1001],waiting[1001][1001];
void Initialization()
{
    for(int i=0;i<1001;i++){
            for(int j=0;j<1001;j++){
                    dp[i][j]=-1;
                    waiting[i][j]=-1;
            }
    }
}
int power(int n)
{
    int num=1;
    for(int i=1;i<=n;i++)num*=10;
    return num;
}
int serch(int i,int j,int n,int co,int w)
{
    int num,wai=w;
    if(co==1)wai-=j;
    if(dp[i][j]>-1)return dp[i][j];
    else if(i==n)num=0;
    else if(j<wait[i])num=serch(i+1,j,n,0,w);
    else num=max(serch(i+1,j,n,0,w),serch(i+1,j-wait[i],n,1,w)+value[i]);
    waiting[i][j]=wai;
    return dp[i][j]=num;
}
int waitserch(int w,int n)
{
    int num=0,co=0;
    for(int i=n;i>0;i--){
        for(int j=0;j<=w;j++){
                if(waiting[i][j]>num&&waiting[i][j]>-1&&waiting[i][j]!=w)num=waiting[i][j];
                else if(waiting[i][j]==w)co++;
        }
    }
    if(num==0&&co>0)num=w;
    return num;
}
int main()
{
    int n,w,point,num=1,wai=0;
    string str;
    while(cin>>w&&w!=0){
        cin>>n;
        for(int i=0;i<n;i++){
            cin>>str;
            value[i]=0;wait[i]=0;
            for(int j=0;;j++){
                if(str[j]==','){
                    for(int k=0;k<j;k++)value[i]+=power(j-k-1)*(str[k]-'0');
                    point=j;
                }
                if(str[j]=='\0'){
                    for(int k=point+1;k<j;k++)wait[i]+=power(j-k-1)*(str[k]-'0');
                    break;
                }
            }
        }
        Initialization();
        point=serch(0,w,n,0,w);
        wai=waitserch(w,n);
        cout<<"Case "<<num<<":\n"<<point<<endl<<wai<<endl;
        num++;
    }
}

C++: #include<iostream>
#include<stdio.h>
using namespace std;
int dp[1001][1001];
int main(){
  int W,N,v[1000],w[1000];
  int n=1;
  int lastj=0;
  char jyama;
  while(cin>>W&&W){
    cin>>N;
    for(int i=0;i<N;i++){
      scanf("%d,%d",&v[i],&w[i]);
    }
    for(int i=0;i<=N;i++){
      for(int j=0;j<=W;j++){
	if(j<w[i]){
	  dp[i+1][j]=dp[i][j];
	}else{
	  dp[i+1][j]=max(dp[i][j],dp[i][j-w[i]]+v[i]);
	  if(j>0&&dp[i][j]!=dp[i][j-1]) lastj=j;
	}
      }
    }    
    cout<<"Case "<<n<<":"<<endl;
    cout<<dp[N][W]<<endl;
    cout<<lastj<<endl;
    ++n;
  }
}

C++: #include<iostream>
#include<stdio.h>
#include<string.h>

int dp[1000][1001];
int W;
int n;
int v[1000], w[1000];
int now = 1;

int main()
{
	while( 1 ){
		scanf( "%d", &W );
		if( !W ) break;
		scanf( "%d", &n );
		for( int i = 0; i < n; i++ ){
			scanf( "%d,%d",  &v[i], &w[i] );
		}
		
		memset( dp, 0, sizeof( dp ) );
		
		for( int i = 0; i < n; i++ ){
		 	for( int j = 0; j <= W; j++ ){
				if( j < w[i] ){
				 	dp[i+1][j] = dp[i][j];
				}
				else{
				 	dp[i+1][j] = std::max( dp[i][j], dp[i][j-w[i]] + v[i] );
				}
			}
		}
		
		int res = W;
		for( int i = W; i >= 0; i-- ){
			if( dp[n][i] == dp[n][W] ) res = std::min( res, i );
			else break;
		}
		
		printf( "Case %d:\n", now );
		printf( "%d\n", dp[n][W] );
		printf( "%d\n", res );
		
		now++;	
	}
	

 	return 0;
}