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>

using namespace std;

int main(){

	int W;
	int n;


	int cs=0;
	while(cin>>W&&W!=0){
		int v[1001];
		int w[1001];
		
		int dp[1001][1001];
		cin>>n;
		for(int i = 0; i < n; i++){
			char cm;
			cin>>v[i]>>cm>>w[i];
		}

		for(int i = 0; i < n; i++){
			for(int j = 0; j <= 1000; j++){
				if(i==0){
					if(j==w[0]){
						dp[i][j]=v[i];
					}
					else{
						dp[i][j]=0;
					}
				}
				else{
					if(j-w[i]>=0){
						dp[i][j] = max(dp[i][j],dp[i-1][j-w[i]]+v[i]);
					}
					else{
						dp[i][j]=max(dp[i][j],dp[i-1][j]);
					}
				}
			}
		}
		int idx=0;
		int maxNum=-1;
		for(int i = 0; i <= W; i++){
			if(maxNum<dp[n-1][i]){
				maxNum=dp[n-1][i];
				idx=i;
			}
		}
		cout<< "Case " << cs+1 << ':' << endl;
		cout<<maxNum<<endl;
		cout<<idx<<endl;

		cs++;
	}

	return 0;
}

C++: #define	_USE_MATH_DEFINES
#include <iostream>
#include <algorithm>
#include <functional>
#include <vector>
#include <cstdio>
#include <string>
#include <cmath>
#include <cfloat>
#include <map>
#include <queue>
#include <stack>
#include <list>
using namespace std;
int main(){
	
	int W,N;
	int k=1;
	while(cin>>W,W!=0){
		cin>>N;
		char comma;
		vector<int> c(N);
		vector<int> weight(N);
		vector< vector<int> >	dp(N+1,vector<int>(W+1));
		vector<	vector<int> >	m(N+1,vector<int>(W+1));
		for(int i=0;i<N;i++){
			cin>>c[i]>>comma>>weight[i];
		}
	
		
		for(int i=0;i<=W;i++){
			dp[N][i]=0;
			m[N][i]=0;
		}
		
		for(int i=N-1;i>=0;i--){
			for(int j=0;j<=W;j++){
				if(j<weight[i])
					dp[i][j]=dp[i+1][j];
				
				else{
				dp[i][j]=max(dp[i+1][j],dp[i+1][j-weight[i]]+c[i]);
				}
			}
		}
		cout<<"Case "<<k++<<":"<<endl;
		cout<<dp[0][W]<<endl;
		for(int i=W;i>=0;i--){
			if(dp[0][W]!=dp[0][i]){
				cout<<i+1<<endl;
				break;
			}
		}
		
		
		
	}
}

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

typedef pair<int, int> Pair;

int w;
int n;
int vs[1001];
int ws[1001];
int dp[1001][1001];

int main() {
  for (int Case=1; ; Case++) {
    scanf("%d", &w);
    if (w == 0) return 0;

    scanf("%d", &n);
    for (int i=0; i<n; i++) {
      scanf("%d,%d", &vs[i], &ws[i]);
    }

    for (int j=0; j<w; j++) dp[0][j] = 0;
  
    for (int i=0; i<n; i++) {
      for (int j=0; j<w; j++) {
        dp[i+1][j] = dp[i][j];
      }
  
      for (int j=0; j<w-ws[i]; j++) {
        dp[i+1][j+ws[i]] = max(dp[i+1][j+ws[i]], dp[i][j] + vs[i]);
      }
    }
  
    Pair ans(0, 0);
    for (int j=0; j<w; j++) {
      ans = max(ans, Pair(dp[n][j], j));
    }
  
    printf("Case %d:\n%d\n%d\n", Case, ans.first, ans.second);
  }
}

C++: #include<bits/stdc++.h>
using namespace std;
int dp[1001][1001],wait[1001],value[1001],dpp[1001][20000];
void Initialization()
{
    for(int i=0;i<1001;i++)for(int j=0;j<1001;j++)dp[i][j]=-1;
    for(int i=0;i<1001;i++)for(int j=0;j<20000;j++)dpp[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 num;
    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);
    else num=max(serch(i+1,j,n),serch(i+1,j-wait[i],n)+value[i]);
    return dp[i][j]=num;
}
int wserch(int i,int va,int ser,int n,int w)
{
    int num;
    if(dpp[i][va]>-1)return dpp[i][va];
    else if(i==n)num=w;
    else if(ser<va+value[i])num=wserch(i+1,va,ser,n,w);
    else if(ser==va+value[i])num=wait[i];
    else num=min(wserch(i+1,va,ser,n,w),wserch(i+1,va+value[i],ser,n,w)+wait[i]);
    return dpp[i][va]=num;
}
int main()
{
    int n,w,point,num=1,wai,wa;
    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);
        wai=w;
        for(int i=0;i<n;i++){
            if(value[i]<point){
                wa=wserch(i+1,value[i],point,n,w)+wait[i];
                if(wa<wai)wai=wa;
            }
            else if(value[i]==point&&wai>wait[i])wai=wait[i];
        }
        cout<<"Case "<<num<<":\n"<<point<<endl<<wai<<endl;
        num++;
    }
}

C++: #include <bits/stdc++.h>
#define loop(i, a, n) for (int i = (a); i < (n); i++)
#define rep(i, n) loop(i, 0, n)
constexpr int INF = 1000000000;
template<typename A, typename B> bool cmin(A &a, const B &b) { return a > b ? (a = b, true) : false; }
using namespace std;

using Weight = int;
struct Edge {
  int src, dst;
  Weight weight;
  Edge(const int s = 0, const int d = 0, const Weight w = 0) : src(s), dst(d), weight(w) {}
};

using Edges = vector<Edge>;

class Graph {
  vector<Edges> g;

public:
  Graph(const int size = 0) : g(size) {}
  size_t size() const { return g.size(); }
  const Edges &operator[](const int i) const { return g[i]; }
  void addArc(const int src, const int dst, const Weight w = 1) { g[src].emplace_back(src, dst, w); }
};

vector<Weight> dijkstra(const Graph &g, const int src) {
  using state = pair<Weight, int>;
  priority_queue<state, vector<state>, greater<state>> q;
  vector<Weight> dist(g.size(), INF);
  dist[src] = 0;
  q.emplace(0, src);
  while (q.size()) {
    Weight d;
    int v;
    tie(d, v) = q.top();
    q.pop();
    if (dist[v] < d) continue;
    for (auto &e : g[v]) {
      if (cmin(dist[e.dst], dist[v] + e.weight)) q.emplace(dist[e.dst], e.dst);
    }
  }
  return dist;
}

int main() {
  int caseIndex = 0;
  int W;
  while (cin >> W, W) {
    cout << "Case " << ++caseIndex << ':' << endl;
    int N;
    cin >> N;
    Graph g((N + 1) * (W + 1));
    rep(i, W) g.addArc(i, i + 1, 0);
    rep(i, N) {
      int v, w;
      char gomi;
      cin >> v >> gomi >> w;
      rep(j, W + 1) {
        g.addArc(i * (W + 1) + j, (i + 1) * (W + 1) + j, 0);
        if (j + w <= W) g.addArc(i * (W + 1) + j, (i + 1) * (W + 1) + j + w, -v);
      }
    }
    vector<Weight> dist = dijkstra(g, 0);
    int maxi = dist.back();
    cout << -maxi << endl;
    rep(i, W + 1) if (maxi == dist[N * (W + 1) + i]) {
      cout << i << endl;
      break;
    }
  }
}