Go: package main

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

func main() {
	scanner := bufio.NewScanner(os.Stdin)
	Case := 1
	for {
		scanner.Scan()
		W, _ := strconv.Atoi(scanner.Text())
		if W == 0 {
			break
		}
		scanner.Scan()
		n, _ := strconv.Atoi(scanner.Text())
		w := make([]int, n+1)
		v := make([]int, n+1)
		for i := 1; i <= n; i++ {
			scanner.Scan()
			info := strings.Split(scanner.Text(), ",")
			v[i], _ = strconv.Atoi(info[0])
			w[i], _ = strconv.Atoi(info[1])
		}
		// fmt.Println(v)
		// fmt.Println(w)
		dp := make([][]int, n+1)
		for i := range dp {
			dp[i] = make([]int, W+1)
		}
		maxV := -(1 << 21)
		minW := 1 << 21
		for i := 1; i <= n; i++ {
			for j := 1; j <= W; j++ {
				// fmt.Println(dp)
				if j-w[i] >= 0 {
					dp[i][j] = max(dp[i-1][j], dp[i-1][j-w[i]]+v[i])
					if maxV < dp[i][j] {
						maxV = dp[i][j]
						minW = j
					} else if maxV == dp[i][j] {
						minW = min(minW, j)
					}
				} else {
					dp[i][j] = dp[i-1][j]
				}
			}
		}
		fmt.Printf("Case %d:\n", Case)
		Case += 1
		fmt.Println(maxV)
		fmt.Println(minW)
	}
}
func max(x, y int) int {
	if x < y {
		return y
	}
	return x
}
func min(x, y int) int {
	if x < y {
		return x
	}
	return y
}

C++: #include<stdio.h>

int okachi[1001][1001];
int main(void)
{
	int w,cnt;
	int n;
	int i,j,k;

	int kachi,omosa,x,nkachi;
	int max,imax;

	cnt=0;
	while(1)	{
		cnt++;
		scanf("%d",&w);
		if(w==0)	break;
		scanf("%d",&n);
		for(i=0;i<=n;i++)	{
			for(j=0;j<=w;j++)	{
				okachi[i][j]=0;
			}
		}
		for(i=0;i<n;i++)	{
			scanf("%d,%d",&kachi,&omosa);
			for(j=0;j<=w;j++)	{
				if(okachi[i+1][j]<okachi[i][j])	{
					okachi[i+1][j]=okachi[i][j];
				}
				if(j+omosa<=w && okachi[i+1][j+omosa]<okachi[i][j]+kachi)	{
					okachi[i+1][j+omosa]=okachi[i][j]+kachi;
				}
			}
		}
		max=-1;
		for(j=0;j<=w;j++)	{
			if(max<okachi[n][j])	{
				max=okachi[n][j];
				imax=j;
			}
		}
		printf("Case %d:\n",cnt);
		printf("%d\n%d\n",max,imax);
	}
}

C++: #include<iostream>
using namespace std;
main(){
  int b,c,N,K[1010],P[1010],i,m,j,W,dp[1010],h=1,y,g=0,temp[1000],t=0,u;
  char d;
  while(1){
    for(i=0;i<1010;i++){
      dp[i]=0;
    }
    g=0;
    y=0;
    b=0;
    cin >> W;
    if(W==0){
      break;
    }
    cin >> N;
    for(i=0;i<N;i++){
      cin >> P[i] >> d >> K[i];
      c=K[i];
      if(dp[c]<P[i]){
	dp[K[i]]=P[i];
      }
      else{
	continue;
      }
      for(j=W;j>=1;j--){
	if(j!=c){
	  if(dp[j]!=0){
	    if(dp[c+j]!=0){
	      if(dp[c+j]<dp[c]+dp[j]){
		dp[c+j]=dp[c]+dp[j];
	      }
	      else{
		continue;
	      }
	    }
	    if(dp[c+j]==0){
	      dp[c+j]=dp[c]+dp[j];
	    }
	  }
	}
      }
    }
    for(i=1;i<=W;i++){
      cout << dp[i] << endl;
      if(dp[i]>b){
	y=i;
	b=dp[i];
      }
      else{
	continue;
      }
    }
    cout << "Case" << " " << h << ":" << endl;
    cout << b << endl << y << endl;
    h++;
  }
}

C++: #include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <map>
#include <sstream>
#include <functional>
#include <numeric>
#include <cmath>
#include <cstring>
#include <cstdio>
#include <queue>
#include <stack>
#include <set>

using namespace std;

#define ALL(co) co.begin(), co.end()
#define tpl(...) make_tuple(__VA_ARGS__)

typedef long long LL;
typedef pair<int, int> P; typedef pair<int, P> IP; typedef pair<P, P> PP;
typedef vector<int> Array; typedef vector<vector<int> > Array2;
typedef vector<LL> LArray; typedef vector<P> PArray; typedef vector<string> SArray;

const int INF = 1 << 29;
const LL LINF = 1LL << 60;

inline int getInt() { int itiv; return (cin >> itiv, itiv); }
template <typename T> void readAll(vector<T>& vec) { for (int i = 0, size = vec.size(); i < size; i++) cin >> vec[i]; }
template <typename T, typename U> void readAll(vector<pair<T, U> >& vec) { char c;for (int i = 0, size = vec.size(); i < size; i++) cin >> vec[i].first >> c >> vec[i].second; }
template < typename T > inline string toString( const T &a ){ ostringstream oss; oss << a; return oss.str(); };
inline bool between(int min, int max, int n) { return min <= n && n <= max; }
inline bool inRange(int begin, int end, int n) { return begin <= n && n < end; }
inline bool inRange(int size, int n) { return 0 <= n && n < size; }

int dx[] = { -1, 0, 1, 0 }, dy[] = { 0, -1, 0, 1 };
int dr[] = { 0, -1, 0, 1 }, dc[] = { -1, 0, 1, 0 };

int w, n;

// index, weight
int dp[1010][1010];
PArray treasure;

int main(void)
{
	ios::sync_with_stdio(false);
	int count = 1;
	while(cin >> w && w)
	{
		n = getInt();
		for (int i = 0; i <= n; i++)
		{
			memset(dp[i], 0, sizeof(dp[i]));
		}
		treasure.resize(n);
		readAll(treasure);
		P ans = P(-1, INF);
		for (int i = 0; i < n; i++)
		{
			int price = treasure[i].first, weight = treasure[i].second;
			for (int j = 0; j <= w; j++)
			{
				int nw = j + weight;
				if(nw > w) dp[i + 1][nw] = max(dp[i][nw], max(dp[i + 1][nw - 1], dp[i + 1][nw]));
				else dp[i + 1][nw] = max(dp[i][nw], max(dp[i + 1][nw - 1], max(dp[i + 1][nw], dp[i][j] + price)));
				if(ans.first == dp[i + 1][nw] && ans.second > nw)
					ans = P(dp[i + 1][nw], nw);
				else if(ans.first < dp[i + 1][nw]) ans = P(dp[i + 1][nw], nw);
			}
		}

		cout << "Case " << count << ':' << endl;
		cout << ans.first << endl << ans.second << endl;
		count++;
	}
	return 0;
}