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<cstdio>
#include<algorithm>
using namespace std;

int main(){

	int cnt, N, W, value, weight, v[1001][1001], w[1001][1001];

	cnt = 0;

	while(1){
		cin >> W;
		if(W == 0) break;
		
		cnt++;
		cin >> N;

		for(int i=0; i<N; i++){
			for(int j=0; j<W; j++){
				v[i][j] = 0;
				w[i][j] = 0;
			}
		}
		
		for(int i=1; i<=N; i++){
			scanf("%d, %d", &value, &weight);
			for(int j=0; j<=W; j++){
				for(int k=0; k<=j; k++){
					if(w[i-1][k] + weight <= j && v[i-1][k] + value > v[i][j]){
						v[i][j] = v[i-1][k] + value;
						w[i][j] = w[i-1][k] + weight;
					}
					else if(v[i-1][k] > v[i][j]){
						v[i][j] = v[i-1][k];
						w[i][j] = w[i-1][k];
					}
					else if(v[i-1][k] == v[i][j] && w[i-1][k] < w[i][j]){
						w[i][j] = w[i-1][k];
					}
				}
			}
		}

		cout << "Case " << cnt << ":" << endl;
		cout << v[N][W] << endl;
		cout << w[N][W] << endl; 
		
	}

	return 0;

}

C++: #include <iostream>
#include <vector>
#include <algorithm>
#include <cstdio>
using namespace std;
#define MAX 1001
typedef pair<int,int> P;

int dp[MAX][MAX],t,w,m;

void judge(vector<P> v){
    
    for(int i = 1 ; i <= m ; i++){
        for(int j = 1 ; j <= w ; j++){
            int k = j - v[i].first;
            if(k < 0){
                dp[i][j] = dp[i-1][j];
            }
            else{
                dp[i][j] = max(dp[i-1][j],dp[i-1][k]+v[i].second);
            }
        }
    }
    int ans_W=0,ans_C;
    for(int i = 1 ; i <= w ; i++){
        ans_W = max(ans_W,dp[m][i]);
    }
    for(int i = w ; i >= 1 ; i--){
        if(ans_W==dp[m][i]) ans_C = i;
    }
    
    cout << ans_W << endl;
    cout << ans_C << endl;
}

void print(){
    cout << "Case " << t++ << ":" << endl;
}

int main(){
    int val,wei;
    
    t = 1;
    while(cin >> w,w){
        cin >> m;
        vector<P> v;
        
        fill(dp[0],dp[MAX-1],0);
        v.push_back(P(0,0));
        
        print();
        for(int i = 0 ; i < m ; i++){
            scanf("%d,%d" ,&val ,&wei);
            v.push_back(P(wei,val));
        }
        sort(v.begin(),v.end());
        judge(v);
    }
    
    return 0;
}

C++: #include<bits/stdc++.h>
using namespace std;
int dp[1001][1001],wait[1001],value[1001];
void Initialization()
{
    for(int i=0;i<1001;i++)for(int j=0;j<1001;j++)dp[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(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 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++: //============================================================================
// Problem     : AOJ0042
// Title       : A Thief
// Author      : mizo0203
// Copyright   : Your copyright free
// Description : 動的計画法(DP)によるナップサック問題 + 重さの総和
//============================================================================

#include <stdio.h>
#include <algorithm>
using namespace std;

#define MAX_N 1000  // お宝の総数の最大値
#define MAX_W 10000 // お宝の重さの最大値
using namespace std;

int W; // 風呂敷の耐えられる重さ
int N; // お宝の数

int w[MAX_N]; // お宝の重さ
int v[MAX_N]; // お宝の価値

// DP テーブル
// long int 型だと Memory Limit Exceeded になる
short int dp[MAX_N + 1][MAX_W + 1];

// 入力
bool input() {
  scanf("%d", &W);
  if(!W) return false;
  scanf("%d", &N);
  for (int i = 0; i < N; i++) {
    // コンマで区切られた入力には，以下の scanf 関数を書く
    scanf("%d,%d", &v[i], &w[i]);
  }
  return true;
}

// 動的計画法(DP)
// 『プログラミングコンテストチャレンジブック』を参考
void solve() {

  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] = (short)max((int)dp[i][j], dp[i][j - w[i]] + v[i]);
      }
    }
  }

}

int main() {

  int cnt = 0;

  while (input()) {
    solve(); // 動的計画法(DP)

    // 重さの総和を探索
    int i;
    for (i = W; i >= 0; i--) {
      if (dp[N][W] != dp[N][i]) break;
    }

    // 出力
    printf("Case %d:\n", ++cnt);
    printf("%d\n", dp[N][W]); // お宝の価値総和
    printf("%d\n", i + 1);    // お宝の重さの総和
  }

  return 0;
}

C++: #include<stdio.h>
#include<stdlib.h>
#include<iostream>
#include<string.h>
#include<math.h>
using namespace std;
void vmax(int,int,int[],int[]);
int sum_w[1001][1001];
int sum_v[1001][1001];
int main(){
	int count=0;
	while(1){
		int i,j,lim=0,N=0,v[1001],w[1001],k=0,l=0;
		count++;
		cin>>lim;
		if(lim==0)break;
		cin>>N;
		for(i=0;i<N;i++){
			scanf("%d,%d",&v[i],&w[i]);
		}
		for(i=0;i<N;i++){
			for(j=0;j<=lim;j++){
				vmax(i,j,v,w);
			}
		}
		for(i=0;i<N;i++){
			if(k<sum_v[N-1][i]){
				k=sum_v[N-1][i];
				l=i;
			}
		}
		cout<<"Case"<<count<<endl;
		cout<<sum_v[N-1][l]<<endl;
		cout<<sum_w[N-1][l]<<endl;

	}
	
	return 0;
}
void vmax(int i,int j,int v[],int w[]){
	if(sum_v[i-1][j]<sum_v[i-1][j-w[i]]+v[i]){
		sum_v[i][j]=sum_v[i-1][j-w[i]]+v[i];
		sum_w[i][j]=sum_w[i-1][j-w[i]]+w[i];
	}
}