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<algorithm>
#include<string>
#include<numeric>
using namespace std;

struct Treasure{
	int Weight;
	int Worth;
};
vector<int> TempMaxWorth;

int GetMaxWorth(const int MaxWeight,vector<Treasure> nowTreasureCollection, vector<Treasure>::iterator nowIterator,const vector<Treasure>& AllTreasureCollection){
	vector<Treasure>::iterator rootIterator(nowIterator);
	for (; nowIterator!=AllTreasureCollection.end(); ++nowIterator){
		nowTreasureCollection.push_back(*(nowIterator));
		const int NowWorth = accumulate(nowTreasureCollection.cbegin(),
			nowTreasureCollection.cend(),
			0,
			[](const int q, const Treasure& p){return q + p.Worth; }
		);
		const int NowWeight = accumulate(nowTreasureCollection.cbegin(),
			nowTreasureCollection.cend(),
			0,
			[](const int q, const Treasure& p){return q + p.Weight; });
		if (NowWeight <= MaxWeight&&NowWorth > TempMaxWorth[NowWeight]){
			TempMaxWorth[NowWeight] = NowWorth;
			replace_if(TempMaxWorth.begin() + NowWeight, TempMaxWorth.end(), [=](int n){return NowWorth > n; }, NowWorth);
			if((nowIterator+1)!=AllTreasureCollection.end())GetMaxWorth(MaxWeight, nowTreasureCollection, nowIterator+1,AllTreasureCollection);
		}
		nowTreasureCollection.pop_back();
	}
	nowIterator = rootIterator;
	return 0;
}

int main(){
	int MaxWeight;
	int TreasureNum;
	for (int i = 1; cin >> MaxWeight;++i){
		if (MaxWeight == 0)return 0;
		cin  >> TreasureNum;
		TempMaxWorth.resize(MaxWeight + 1);
		fill(TempMaxWorth.begin(), TempMaxWorth.end(), 0);
		vector<Treasure> AllTreasureCollection;
		for (int j = 0; j < TreasureNum; ++j){
			Treasure T;
			cin >> T.Worth;
			cin.get();
			cin >> T.Weight;
			AllTreasureCollection.push_back(T);
		}
		sort(AllTreasureCollection.begin(), AllTreasureCollection.end(), [](const Treasure a, const Treasure b){return ((float)(a.Worth) / (float)(a.Weight)) > ((float)(b.Worth) / (float)(b.Weight)); });
		vector<Treasure> NowTreasureCollection = {};
		GetMaxWorth(MaxWeight, NowTreasureCollection, AllTreasureCollection.begin(), AllTreasureCollection);
		cout << "Case " << i << ":" << endl << TempMaxWorth[MaxWeight] << endl << find(TempMaxWorth.cbegin(), TempMaxWorth.cend(), TempMaxWorth[MaxWeight]) - TempMaxWorth.cbegin() << endl;
	}
	return 0;
}

C++: #include<iostream>
#include<vector>
using namespace std;
int main()
{
  int W,N,v,w,max,maxi,i,cnt=0;
  char c;
  while(cin>>W,W){
    cin>>N;
    vector<int> dp(W+1);
    dp[0]=0;
    while(N-->0){
      cin>>v>>c>>w;
      vector<int> DP=dp;
      for(i=w;i<W;i++){
	if(dp[i]<0)continue;
	if(dp[i-w]+v > DP[i])dp[i]=DP[i-w]+v;
      }
    }
    max=maxi=0;
    for(i=w;i<W;i++)if(max<dp[i]){max=dp[i];maxi=i;}
    cout<<"Case "<<++cnt<<":"<<endl;
    cout<<max<<endl;
    cout<<maxi<<endl;
  }
}

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

int N,W,tv[1000],tw[1000];
int memo[1000][1001],ansv,answ;

int latte(int n,int v,int w){
    if(w>=W) return 0;
    if(n==N){
        if(ansv<v || (ansv==v && answ>w)){
            ansv = v; answ = w;
        }
        return v;
    }
    if(memo[n][w]!=-1) return memo[n][w];
    memo[n][w] = max(latte(n+1,v+tv[n],w+tw[n]),latte(n+1,v,w));
    return memo[n][w];
}

int main(){
    for(int ds=1;cin>>W,W;ds++){
        cin>>N;
        for(int i=0;i<N;i++) scanf("%d,%d",&tv[i],&tw[i]);
        for(int i=0;i<1000;i++)for(int j=0;j<1001;j++) memo[i][j] = -1;
        ansv = 0;
        latte(0,0,0);
        printf("Case %d:\n%d\n%d\n",ds,ansv,answ);
    }
}

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

using namespace std;


int main(){
	int dp[1000];
	
	int W,N;
	int v[1000],w[1000];
	
	int count=0;
	
	while(cin>>W,W){
		cin>>N;
		count++;
		for(int i=0;i<N;i++){
			scanf("%d,%d",&v[i],&w[i]);
		}
		
		for(int j=0;j<W;j++){
			if(j<w[0]-1){
				dp[j]=0;
			}else{
				dp[j]=v[0];
			}
		}
		
		for(int i=1;i<N;i++){
			for(int j=0;j<W;j++){
				if(j<w[i]-1){
					dp[j]=dp[j];
				}else{
					dp[j]=max(dp[j],dp[j-w[i]]+v[i]);
				}
			}
		}
		
		cout<<"Case "<<count<<":"<<endl;
		cout<<dp[W-1]<<endl;
		int k;
		for(k=W;dp[k-2]==dp[k-1];k--);
		cout<<k<<endl;
	}
	
	
	
	
	return 0;
	
}

C++: #include <cstdio>
#include <cstdlib>
#include <cmath>
#include <iostream>
#include <sstream>
#include <vector>
#include <string>
#include <queue>
#include <set>
#include <map>
#include <utility>
#include <algorithm>
#include <functional>

using namespace std;

#define rep(i,n) for((i)=0;(i)<(int)(n);(i)++)
#define foreach(itr,c) for(__typeof((c).begin()) itr=(c).begin();itr!=(c).end();itr++)
#define MAX 1010

typedef long long ll;

int W,N;
int w[MAX],v[MAX];
ll dp[MAX][MAX];

int main(){
  int i,j;

  for(;;){
    scanf("%d",&W); if(W == 0) break;
    scanf("%d",&N);
    rep(i,N) scanf("%d,%d",&v[i],&w[i]);

    rep(i,MAX) rep(j,MAX) dp[i][j] = 0;

    int res;
    for(i = 0; i <= N; i++){
      for(j = 0; j <= W; j++){
        if(j - w[i] < 0) dp[i+1][j] = dp[i][j];
        else {
          if(dp[i][j] < dp[i][j-w[i]] + v[i]){
            dp[i+1][j] = dp[i][j-w[i]] + v[i];
            res = j;
          }
          else dp[i+1][j] = dp[i][j];
        }
      }
    }

    printf("%lld\n%d\n",dp[N][W],res);
  }

  return 0;
}

C++: #include<iostream>
#include<string>
#include<algorithm>
#include<map>
#include<set>
#include<utility>
#include<vector>
#include<cmath>
#include<cstdio>
#define loop(i,a,b) for(int i=a;i<b;i++) 
#define rep(i,a) loop(i,0,a)
#define pb push_back
#define mp make_pair
#define it ::iterator
#define all(in) in.begin(),in.end()
const double PI=acos(-1);
const double ESP=1e-10;
using namespace std;
int main(){
  int m;
  int co=0;
  while(cin>>m,m){
    co++;
    int n;
    cin>>n;
    int in[1001][1001]={0};
    rep(q,n){
      int i=q+1;
      int a,b;char d;
      cin>>a>>d>>b;
      loop(j,b,m+1)in[i][j]=max(in[i-1][j],in[i-1][j-b]+a);
    }
    int max1=0;
    rep(i,m+1)max1=max(max1,in[n][i]);
    rep(i,m+1)
      if(in[n][i]==max1){
	cout<<"Case "<<co<<endl;
	cout<<max1<<endl<<i<<endl;
	break;
      }
  }
}

/*int main(){
  int m;
  int co=0;
  while(cin>>m,m){
    co++;
    int n;
    char d;
    cin>>n;
    vector<int>w(n),v(n);
    vector<vector<int> >dp(n+1);
    rep(i,m+1)dp[0].pb(0);
    rep(q,n){
      int i=q+1;
      int a,b;char d;
      cin>>a>>d>>b;
      dp[i].pb(0);
      

}
*/