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>

using namespace std;

const int MAX_w = 1000;
const int MAX_v = 10000;

int dp[MAX_w + 1][MAX_v + 1];


int n, wet ;
int w[MAX_w], v[MAX_v];

// i番目以降の品物から重さの和がj以下なるように選んだときの、
// 取りうる価値の総和の最大値を返す関数
int rec(int i, int j) {
  int res;
  if(dp[i][j] != -1){
  	
	return dp[i][j];
  }

  if (i == n) {
    // 品物がもう残っていないときは、価値の和の最大値は0で確定
    res = 0;
  } else if (j < w[i]) {
    // 残りの容量が足りず品物iを入れられないので、入れないパターンだけ処理
    // i+1 以降の品物のみを使ったときの最大値をそのままこの場合の最大値にする
    res = rec(i + 1, j);
  } else {
    // 品物iを入れるか入れないか選べるので、両方試して価値の和が大きい方を選ぶ
    res = max(
        rec(i + 1, j),
        rec(i + 1, j - w[i]) + v[i]
    );
  }

  return res;
}

void solve(int ca) {
  // 0番目以降で容量W以下の場合の結果を表示する
  int wmin;
  
  memset(dp, -1, sizeof(dp));
  
  cout << "Case" << " " << ca << ":" <<endl; 
  
  int ans =  rec(0, wet) ;
  cout << ans << endl;
  
  for (int w = wet -1 ; w>=0 ; w--){
  	if( ans != rec(0,w)){
		 wmin = w+1;
		 break;
  	}
  }
  
  cout << wmin << endl;  
  
}


int main(){
	
	char x;
	int ca = 0;
	
	while(1){
			
		ca++;
		cin >> wet;
		if(wet == 0 ) break;
		cin >> n;
		
		for(int i = 0 ;  i<n ; i++){
			
			cin >> v[i] >> x >> w[i];
		}
		
		
		 solve(ca);
		
	}
	
	return 0;
	
}

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

const int N_MAX = 1000;
const int W_MAX = 1000;
int c[N_MAX+1][W_MAX+1];

int main() {
    int t = 1;
    int w;
    while (cin >> w, w) {
        int n;
        cin >> n;
        vector<int> vs(n+1), ws(n+1);
        for (int i = 1; i <= n; i++) {
            scanf("%d,%d", &vs[i], &ws[i]);
        }
        for (int i = 0; i <= n; i++) {
            fill_n(c[i], w+1, 0);
        }
        int v_max = -1, w_min = 1 << 29;
        for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= w; j++) {
                if (j - ws[i] >= 0) {
                    c[i][j] = max(c[i-1][j], c[i-1][j - ws[i]] + vs[i]);
                    if (v_max < c[i][j]) {
                        v_max = c[i][j];
                        w_min = j;
                    } else if (v_max == c[i][j]) {
                        w_min = min(w_min, j);
                    }

                } else {
                    c[i][j] = c[i-1][j];
                }
            }
        }
        printf("Case %d:\n%d\n%d\n", t++, v_max, w_min);
    }
}

C++: #include "bits/stdc++.h"
using namespace std;

struct goods {
	int V;
	int W;
};

int main() {
	int W, COUNT = 1;
	while (cin >> W) {
		if (W == 0) return 0;
		int N;
		char C;
		goods G[1000] = {};
		static long long DP[1010][1010] = {};
		cin >> N;
		for (int i = 0; i < N; i++) cin >> G[i].V >> C >> G[i].W;
		for (int i = 0; i < N; i++) {
			for (int j = 0; j <= W; j++) {
				if (j >= G[i].W) DP[i + 1][j] = max(DP[i][j], DP[i][j - G[i].W] + G[i].V);
				else DP[i + 1][j] = DP[i][j];
			}
		}
		long long ANS = DP[N][W];
		for (int i = W; i >= 0; i--) {
			if (ANS != DP[N][i]) {
				cout << "Case " << COUNT << ":" << endl << ANS << endl << i + 1 << endl;
				break;
			}
		}
		COUNT++;
	}
}

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){
		if(dp[n-1][maxp]<dp[n-1][j])maxp=j;
	}
	
	/*
	rep(i,n){
		rep(j,w)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

*/

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

int dp[1005][1005];
int W;
int n;
int v[1005], w[1005];
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;
}