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<cstdio>
#include<algorithm>
using namespace std;
int main(){
    int W,N;
    for(int ii=1;;ii++){
        scanf("%d",&W);
        if(W==0) break;
        int values[W+1];
        for(int i=0;i<=W;i++){
            values[i]=0;
        }
        scanf("%d",&N);
        int v,n;
        for(int i=0;i<N;i++){
            scanf("%d,%d",&v,&n);
            for(int j=W;j>=n;j--){
                values[j]=max(values[j],values[j-n]+v);
            }
        }
        int maxw,maxv=-1;
        for(int i=0;i<=W;i++){
            if(values[i]>maxv){
                maxw=i;
                maxv=values[i];
            }
        }
        printf("Case %d:\n%d\n%d\n",ii,maxv,maxw);
    }
}

C++: #include <stdio.h> 
int main(void) {
  int l;
  for(l = 1; ; ++l ) {
  int i, j, k, n, w;
  scanf("%d", &w);
  if(!w) break;
  scanf("%d", &n);
  int dp[w + 1], v[n], we[n];
  for(i = 0; i <= w; ++i) dp[i] = 0;
  for(i = 0; i < n; ++i) scanf("%d,%d", &v[i], &we[i]);
  for(i = 0; i < n; ++i) for(j = w; j >= 0; --j) if(j + we[i] <= w && dp[j + we[i]] < dp[j] + v[i]) dp[j + we[i]] = dp[j] + v[i];
  int ans = 0, ansn;
  for(i = 0; i <= w; ++i) if(ans < dp[i]) ans = dp[i], ansn = i;
  printf("Case %d:\n%d\n%d\n", l, ans, ansn);
  }
  return 0; 
}

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

#define MAX_N 1001
#define MAX_W 10001

int dp[MAX_W][MAX_N], W, N, value[MAX_N], w[MAX_N];

int main(){
    int Case = 0;
    
    while(true){
        for(int i = 0; i < MAX_N; ++i)
            memset(dp[i], 0, MAX_W);
        //initialize
        
        ++Case;
        scanf("%d%d", &W, &N);
        if(!W)
            break;
        for(int i = 0; i < N; ++i)
            scanf("%d,%d", &value[i], &w[i]);
        //input
        
        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 - w[i]] + value[i], dp[i][j]);
            }
        }
        //solve
        
        int ans = dp[N][W];
        
        printf("Case %d:\n%d\n", Case, ans);
        
        int i = 0;
        while(true){
            if(ans != dp[N][W - i]){
                printf("%d\n", W - i + 1);
                break;
            }
            ++i;
        }
    }
    return 0;
}

C++: #include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cstring>
#include <stack>
#include <queue>
#include <set>
#include <map>
#include <ctime>
#include <list>
#include <numeric>
#include <utility>
#include <ctime>
#define INF 100000000
#define LINF 9000000000000000000
#define mod 1000000007
 
#define rep(i,n) for(int i=0;i<int(n);i++)
#define REP(i,a,b) for(int i=(a);i<int(b);i++)
#define all(x) (x).begin(),x.end()
#define pb push_back
#define mp make_pair
#define MOD(x) (x%(mod))
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef pair<int,int> pi;
 
int dx[4]={1,0,-1,0};
int dy[4]={0,1,0,-1};
bool debug=false;

/*---------------------------------------------------*/

int W,N;
int v[1005],w[1005];
int dp[1005][1005];

void DEBUG(){
  rep(i,W+1)cout<<i<<": "<<dp[N][i]<<endl;
}

void init(){
  rep(i,1005){
    rep(j,1005){
      dp[i][j]=-INF;
    }
  }
}

void DP(){
  for(int i=0;i<1005;i++)dp[0][i]=0;
  
  for(int i=0;i<N;i++){
    for(int j=0;j<=W;j++){
      if(j>=w[i])dp[i+1][j]=max(dp[i][j-w[i]]+v[i],dp[i][j]);
      else dp[i+1][j]=dp[i][j];
    }
  }
}

int main(){
  int cnt=1;
  while(cin>>W){
    init();
    if(W==0)break;
    cin>>N;
    rep(i,N)scanf("%d,%d",&v[i],&w[i]);
    DP();
    //DEBUG();
    int ans_value=0,ans_weight=0;
    rep(i,W+1){
      if(dp[N][i]>ans_value){
	ans_value=dp[N][i];
	ans_weight=i;
      }
    }
    cout<<"Case: "<<cnt<<endl;
    cout<<ans_value<<endl;
    cout<<ans_weight<<endl;
    cnt++;
  }
  return 0;
}

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

int main(){
	int w, n, cnt = 1;
	char dum;
	vector< vector< int > > dp;
	vector< int > weight, value;
	
	while(cin >> w, w){
		cin >> n;
		
		weight.resize(n);
		value.resize(n);
		
		for(int i = 0; i < n; ++i){
			scanf("%d,%d", &(value[i]), &(weight[i]));
		}
		
		dp.resize(n + 1);
		for(int i = 0; i <= n; ++i){
			dp[i].resize(w + 1);
		}
		
		for(int i = 0; i <= w; ++i) dp[0][i] = 0;
		
		for(int i = 1; i <= n; ++i){
			for(int j = 0; j <= w; ++j){
				if(weight[i-1] > j){
					dp[i][j] = dp[i-1][j];
				}else{
					dp[i][j] = max(dp[i-1][j], dp[i-1][j-weight[i-1]] + value[i-1]);
				}
			}
		}
		
		cout << "Case " << cnt << ":" << endl;
		
		for(int i = 0; i <= w; ++i){
			if(dp[n][i] == dp[n][w]){
				cout << i << endl;
				break;
			}
		}
		cout << dp[n][w] << endl;
		
		++cnt;
	}
}

C++: #include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cstring>
#include <stack>
#include <queue>
#include <set>
#include <map>
#include <ctime>
#include <list>
#include <numeric>
#include <utility>
#include <ctime>
#define INF 100000000
#define LINF 9000000000000000000
#define mod 1000000007
 
#define rep(i,n) for(int i=0;i<int(n);i++)
#define REP(i,a,b) for(int i=(a);i<int(b);i++)
#define all(x) (x).begin(),x.end()
#define pb push_back
#define mp make_pair
#define MOD(x) (x%(mod))
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef pair<int,int> pi;
 
int dx[4]={1,0,-1,0};
int dy[4]={0,1,0,-1};
bool debug=false;

/*---------------------------------------------------*/

int W,N;
int v[1005],w[1005];
int dp[1005][1005];

void DEBUG(){
  rep(i,W+1)cout<<i<<": "<<dp[N][i]<<endl;
}

void init(){
  rep(i,1005){
    rep(j,1005){
      dp[i][j]=-INF;
    }
  }
}

void DP(){
  for(int i=0;i<1005;i++)dp[0][i]=0;
  for(int i=0;i<=N;i++){
    for(int j=0;j<=W;j++){
      if(j>=w[i])dp[i+1][j]=max(dp[i][j-w[i]]+v[i],dp[i][j]);
      else dp[i+1][j]=dp[i][j];
    }
  }
}

int main(){
  int cnt=1;
  while(cin>>W){
    if(W==0)break;
    cin>>N;
    rep(i,N)scanf("%d,%d",&v[i],&w[i]);
    init();
    DP();
    //DEBUG();
    cout<<"Case: "<<cnt<<":"<<endl;
    cout<<dp[N][W]<<endl;
    for(int i=W;i>=1;i--)if(dp[N][i]!=dp[N][i-1]||i==1){cout<<i<<endl;break;}
    cnt++;
  }
  
  return 0;
}