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 <cstdio>
#include <cstring>
#include <iostream>
#include <algorithm>
using namespace std;
int dp[1001][1001];
int main()
{
	int count=1,i,j,W,n;
	while(1)
	{
		cin >> W;
		if(W==0)return 0;
		scanf("%d",&n);
		memset(dp,0,sizeof(dp));
		int v[n],w[n];
		for(i=0;i<n;i++)
		{
			scanf("%d,%d",&v[i],&w[i]);
		}
		for(i=0;i<n;i++)
		{
			for(j=0;j<=W;j++)
			{
				if(w[i]>j)
				{
					dp[i+1][j]=dp[i][j];
				}
				else
				{
					dp[i+1][j]=max(dp[i][j],dp[i][j-w[i]]+v[i]);
				}
			}
		}
		for(i=W;i>=0;i--)
		{
			if(dp[n][W]>dp[n][i])break;
		}
		cout << "Case " << count << ':' << endl;
		cout << dp[n-1][W] << endl;
		cout << i+1 << endl;
		count++;
	}
	return 0;
}

C++: #include <iostream>
#include <sstream>
#include <string>
#include <algorithm>
#include <vector>
#include <map>
#include <set>
#include <bitset>
#include <queue>
#include <stack>
#include <utility>
#include <cstring>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <cctype>
using namespace std;
 
#define rep(i,n) for(int i=0; i<n; i++)
#define repa(i,s,e) for(int i=s; i<=e; i++)
 
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef long long ll;

int W,N;
const int MAX_N = 1001;
const int MAX_W = 1001;
int v[MAX_N];
int w[MAX_N];
vector<pii> t;
int dp[MAX_N][MAX_W];

void solve() {
	memset(dp, 0, sizeof(dp));
	repa(i,1,N) {
		repa(j,0,W) {
			if(j + w[i] < W && dp[i][j + w[i]] < dp[i-1][j] + v[i]) {
				dp[i][j + w[i]] = dp[i-1][j] + v[i];
			}
		}
	}

	int maxval = -1;
	int weight = 0;
	repa(i,0,W) {
		if(maxval < dp[N][i]) {
			maxval = dp[N][i];
			weight = i;
		}
	}
	cout <<	maxval << endl;
	cout << weight << endl;
}

int main() {
	int c = 0;
	while(cin>>W, W) {
		cin >> N;
		rep(i,N) {
			scanf("%d,%d", &v[i], &w[i]);
		}

		printf("Case %d:\n", ++c);
		solve();
	}
}

C++: #include<cstdio>
#include<vector>
#include<utility>
#include<algorithm>

using namespace std;

int w,n;
vector< pair<int,int> > v;

int** GetArray(int w,int h){
	int** pt = new int*[w];
	for(int i=0;i<w;i++){
		pt[i] = new int[h];
		for(int j=0;j<h;j++){
			pt[i][j] = 0;
		}
	}
	return pt;
}

void DeleteArray(int** pt,int w){
	for(int i=0;i<w;i++){
		delete[] pt[i];
	}
	delete[] pt;
}

int main(){
	int setno = 1;
	int a,b;
	while(scanf("%d",&w) != EOF){
		if(w == 0){break;}
		scanf("%d",&n);
		printf("Case %d:\n",setno);
		//printf("n:%d,w:%d\n",n,w);
		v.clear();
		v.push_back(make_pair(0,0));
		for(int i=0;i<n;i++){
			scanf("%d,%d",&a,&b);
			v.push_back(make_pair(a,b));
		}
		int** dp = GetArray(n + 1,w + 1);
		for(int j=0;j<=w;j++){
			//printf("j:%d\n",j);
			dp[0][j] = 0;
		}
		for(int i=1;i<=n;i++){
			for(int j=0;j<=w;j++){
				//printf("%d:%d\n",i,j);
				if(j < v[i].second){
					dp[i][j] = dp[i-1][j];
				}else{
					dp[i][j] = max(dp[i-1][j] , dp[i-1][j-v[i].second] + v[i].first);
				}
			}
		}
		int ans = dp[n][w];
		int answ = -1;
		for(int i=0;i<=w;i++){
			if(dp[n][i] == ans){
				answ = i;
				break;
			}
		}
		printf("%d\n%d\n",ans,answ);
		DeleteArray(dp,n + 1);
		setno++;
	}
}

C++: #include<iostream>
#include<string>
#include<algorithm>
#include<vector>
#include<map>
#include<cstring>
using namespace std;

#define rep(i,n) for(int i=0;i<n;i++)
#define REP(n) rep(i,n)
#define all(n) n.begin(),n.end()

const int MAXW = 1000, MAXN = 1000;

int dp[MAXN + 1][MAXW + 10];
int w[MAXN + 1];
int v[MAXN + 1];

int main()
{
    int wl, n, casen = 1;
    char t;
    while(cin >> wl && wl)
    {
        cin >> n; REP(n) cin >> v[i] >> t >> w[i];

        memset(dp, 0, sizeof(dp));
        
        REP(n)rep(j, wl+1 - w[i])
            dp[i+1][j + w[i]] = max(dp[i][j + w[i]], dp[i][j] + v[i]);
        
        int answ = 0, ansv = 0;
        REP(wl+1)if(ansv < dp[n][i]){ ansv = dp[n][i]; answ = i;}
        cout << "Case " << casen << ":\n" << ansv << "\n" << answ << endl;
        casen++;
    }

    return 0;
}

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];
    int ans=0;
    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]);
        fill_n((int*)memo,1000*1001,-1);
        latte(0,0,0);
        printf("Case %d:\n%d\n%d\n",ds,ansv,answ);
    }
}

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

using namespace std;

const int INF = 1 << 29;
typedef pair<int, int> P;

int n, w;
int dp[1001][1001];//お宝の番号、重さ
int main(void)
{
	int caseCount = 0;
	while(cin >> w && w)
	{
		cin >> n;
		vector<int> ps(n), ws(n);
		memset(dp, 0, sizeof(dp));
		char c;
		for (int i = 0; i < n; i++)
		{
			cin >> ps[i] >> c >> ws[i];
		}

		if(ws[0] <= w) dp[0][ws[0]] = ps[0];
		for (int i = 1; i < n; i++)
		{
			for (int j = 0; j <= w; j++)
			{
				if(ws[i] <= j)
					dp[i][j] = max(dp[i - 1][j], dp[i - 1][j - ws[i]] + ps[i]);
				/*if(j + ws[i] <= w)
					dp[i][j + ws[i]] = max(dp[i - 1][j + ws[i]], dp[i - 1][j] + ps[i]);*/
				else dp[i][j] = max(dp[i - 1][j], dp[i][j]);
			}
		}

		cout << "Case " << ++caseCount << ":" << endl;
		int ansp = 0, answ = INF;
		for (int i = 0; i <= w; i++)
		{
			if(ansp < dp[n - 1][i])
			{
				ansp = dp[n - 1][i];
				answ = i;
			}
		}
		cout << ansp << endl << answ << endl;
	}
	return 0;
}

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

using namespace std;

const int NUM_MAX = 1001;
int dp[NUM_MAX][NUM_MAX];
int we[NUM_MAX], v[NUM_MAX];
int w, n;

void solve()
{
    int max_idx;

    for (int i = 0; i < n; i++) {
        for (int j = 0; j <= w; j++) {
            if (j < we[i]) 
                dp[i + 1][j] = dp[i][j];
            else
                dp[i + 1][j] = max(dp[i][j], dp[i][j - we[i]] + v[i]);
        }
    }

    max_idx = 0;
    for (int j = 0; j <= w; j++)
        if (dp[n][j] == dp[n][w])
            max_idx = j;
        
    cout << dp[n][w] << '\n' << max_idx << endl;
}

int main()
{
    int cas = 1;

    while (cin >> w, w) {
        char ch;

        cin >> n;
        for (int i = 0; i < n; i++)
            cin >> v[i] >> ch >> we[i];

        for (int i = 0; i < NUM_MAX; i++)
            for (int j = 0; j < NUM_MAX; j++)
                dp[i][j] = 0;

        cout << "Case " << cas++ << ":\n";
        solve();
    }

    return 0;
}