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 <stdio.h>
#include <stdlib.h>
#include <string.h>

int dp[1002][1002];

int main(void)
{
	int w;
	int n;
	int cnt;
	int max;
	
	cnt = 1;
	while (1){
		int value[1000];
		int weight[1000];
		
		scanf("%d", &w);
		
		if (w == 0){
			break;
		}
		
		scanf("%d", &n);
		
		memset(dp, -1, sizeof(dp));
		
		for (int i = 0; i < n; i++){
			scanf("%d,%d", &value[i], &weight[i]);
			dp[i][0] = 0;
		}
		
		for (int i = 1; i <= n; i++){
			for (int j = 0; j <= w; j++){
				if (dp[i - 1][j] != -1 && j + weight[i - 1] <= w){
					dp[i][j + weight[i - 1]] = dp[i - 1][j] + value[i - 1];
				}
				if (dp[i - 1][j] != -1){
					dp[i][j] = dp[i - 1][j];
				}
			}
		}
		
		max = 0;
		for (int i = 1; i <= w; i++){
			if (dp[n][i] > dp[n][max]){
				max = i;
			}
		}
		
		printf("Case:%2d\n%d\n%d\n", cnt++, dp[n][max], max);
	}
	
	return (0);
}

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

long long dp[1000];
int main(){
	long long w, n, ans_w = 0, ans_val = 0;
	for (int dataset = 1; cin >> w, w; dataset++){
		long long t_w, t_val;
		cin >> n;
		for (int i = 0; i < w; i++) dp[i] = -1;
		dp[0] = 0;
		for (int i = 0; i < n; i++){
			scanf("%lld,%lld", &t_val, &t_w);
			for (long long j = w - 1; j >= 0; j--){
				//printf("%d ", dp[j]);
				if (dp[j] == -1 || j + t_w >= w || dp[j + t_w] > dp[j] + t_val)
					continue;
				dp[j + t_w] = dp[j] + t_val;
			}
			//puts("");
		}
		for (int i = 0; i < w; i++){
			//printf("%d ", dp[i]);
			if (ans_val < dp[i]){
				ans_val = dp[i];
				ans_w = i;
			}
		}
		//puts("");
		printf("Case %d:\n%lld\n%lld\n", dataset, ans_val, ans_w);
	}
	return 0;
}

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

using namespace std;

#define FOR(i,a,b) for(long long i=(a);i<(b);i++)
#define REP(i,N) for(long long i=0;i<(N);i++)
#define ALL(s) (s).begin(),(s).end()
#define fi first
#define se second

#define PI acos(-1.0)
#define INF 1000000007
#define MAX_N 5001
#define EPS 1e-10

typedef long long ll;
typedef pair<ll, ll> P;
typedef pair<string, ll> PS;
typedef vector<ll> V;

#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <cmath>
#include <cstdio>
#include <functional>
#include <numeric>
#include <stack>
#include <queue>
#include <map>
#include <set>
#include <utility>
#include <sstream>
#include <complex>

using namespace std;

#define FOR(i,a,b) for(long long i=(a);i<(b);i++)
#define REP(i,N) for(long long i=0;i<(N);i++)
#define ALL(s) (s).begin(),(s).end()
#define fi first
#define se second

#define PI acos(-1.0)
#define INF 1000000007

typedef long long ll;
typedef pair<ll, ll> P;
typedef pair<double, double> PD;
typedef pair<string, ll> PS;
typedef vector<ll> V;


int co = 1;
char k;
int W, N, v[1010], w[1010];

ll dp[1010][1010];//i???????????§???????????§?????????j??\?????¨?????????????????????????????§???

int main(){
	while (cin >> W&&W){
		REP(i, N + 1)REP(j, W + 1)dp[i][j] = 0;
		cin >> N;
		REP(i, N)cin >> v[i] >> k >> w[i];
		REP(i, N){
			REP(j, W + 1){
				if (j >= w[i]){
					dp[i + 1][j] = max(dp[i][j], dp[i][j - w[i]] + v[i]);
				}
				else{
					dp[i + 1][j] = dp[i][j];
				}
			}
		}
		int max = -1, ans = -1;
		REP(i, W + 1){
			if (max < dp[N][i]){
				max = dp[N][i];
				ans = i;
			}
		}
		printf("Case %d:\n", co++);
		cout << max << endl;
		cout << ans << endl;
	}
}

C++: #include "bits/stdc++.h"
using namespace std;
typedef long long ll;
#define SIZE(x) ((int)(x).size())
#define UQ(v) v.erase(unique(v,begin(),v,end()),v.end());
#define INF 11922960 
#define pb push_back 
int dxy4[5] = { 0,1,0,-1,0 };
int dxy8[9] = { 0,1,1,0,-1,1,-1,-1,0 };
int gcd(int a, int b) { return b ? gcd(b, a%b) : a; }
#define all(x) (x).begin(),(x).end()
#define rep(i, n) for(int i = 0; i < (int)(n); i++)




//vector< vector<int> > v (max1, vector<int>(max2) );
int main() {
	int n, W, count = 0;
	while (1) {
		count++;
		cin >> W >> n;
		if (!W) break;
		vector<vector<int>>dp(n+1000, vector<int>(W+10, 0));
		vector<int> v(n + 1, 0);
		vector<int> w(n + 1, 0);


		 char s;
		rep(i, n) { cin >> v[i+1]>> s>>w[i+1]; }

		rep(i, (n+1)) {
			if (!i)continue;
			//cout << i << "-------" << endl;
			rep(j, W-w[i]+1) {
				dp[i][w[i] + j] = max({ dp[i - 1][w[i] + j], dp[i - 1][j] + v[i]});
				//cout << dp[i][w[i]+j] << " ";
			}
			cout << endl;
		}
		int umax = dp[n][W];
		rep(i, W + 1) {
			if (dp[n][i] == umax) {
				cout << "Case: " << count << endl<< umax << endl << i << endl;
				break;
			}
		}
	}
int jk;
cin >> jk;
	return 0;
}

C++: #include <iostream>
#include <vector>
#include <map>
#include <algorithm>
#include <cstdio>
#include <cstring>
#define fr first
#define sc second
using namespace std;

int w,n;
typedef pair<int,int> P;
P dp[1001][1001];
bool chg[1001][1001];
vector <P> dat;

P rec(int idx,int wi){
    P ans;
    if(chg[idx][wi]) return dp[idx][wi];
    if(idx == n){
        ans = P(0,wi);
    }
    else{
        if(wi - dat[idx].sc >= 0){
            P p = rec(idx+1,wi-dat[idx].sc);
            p.first += dat[idx].fr;
            ans = max(p,rec(idx+1,wi));
        }
        else ans = rec(idx+1,wi);
    }
    chg[idx][wi] = true;
    return dp[idx][wi] = ans;
}

int main(){
    int a = 0;
    while(cin >> w,w){
        memset(dp,-1,sizeof(dp));
        memset(chg,false,sizeof(chg));
        cin >> n;
        for(int i=0;i<n;i++){
            int t,m; scanf("%d,%d",&t,&m); dat.push_back(P(t,m));
        }
        P p = rec(0,w);
        cout << "Case " << ++a << ":\n" << p.fr << endl << w - p.sc << endl;
        dat.resize(0);
    }
}