Go: package main

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

var scanner = bufio.NewScanner(os.Stdin)

// 文字列を1行取得
func StrStdin() (stringReturned string) {
//	scanner := bufio.NewScanner(os.Stdin)

	scanner.Scan()
	stringInput := scanner.Text()

	stringReturned = strings.TrimSpace(stringInput)
	return
}

// 整数値1つ取得
func IntStdin() (int, error) {
	stringInput := StrStdin()
	return strconv.Atoi(strings.TrimSpace(stringInput))
}

// 空白や空文字だけの値を除去したSplit()
func SplitWithoutEmpty(stringTargeted string, delim string) (stringReturned []string) {
	stringSplited := strings.Split(stringTargeted, delim)

	for _, str := range stringSplited {
		if str != "" {
			stringReturned = append(stringReturned, str)
		}
	}

	return
}

// デリミタで分割して文字列スライスを取得
func SplitStrStdin(delim string) (stringReturned []string) {
	// 文字列で1行取得
	stringInput := StrStdin()

	// 空白で分割
	// stringSplited := strings.Split(stringInput, delim)
	stringReturned = SplitWithoutEmpty(stringInput, delim)

	return
}

// デリミタで分割して整数値スライスを取得
func SplitIntStdin(delim string) (intSlices []int, err error) {
	// 文字列スライスを取得
	stringSplited := SplitStrStdin(" ")

	// 整数スライスに保存
	for i := range stringSplited {
		var iparam int
		iparam, err = strconv.Atoi(stringSplited[i])
		if err != nil {
			return
		}
		intSlices = append(intSlices, iparam)
	}
	return
}

func main() {
	nk, _ := SplitIntStdin(" ")
	n, k := nk[0], nk[1]
	kind := make([]int, n)
	for i := 0; i < k; i++ {
		var tmp []int
		var err error
		if tmp, err = SplitIntStdin(" "); err != nil {
			panic(err)
		}
		kind[tmp[0]-1] = tmp[1]
	}
	dp := make([][3][3]int, n)
	if kind[0] > 0 {
		dp[0][0][kind[0]-1] = 1
	} else {
		for i := 0; i < 3; i++ {
			dp[0][0][i] = 1
		}
	}
	if kind[1] > 0 {
		for i := 0; i < 3; i++ {
			dp[1][i][kind[1]-1] = dp[0][0][i]
		}
	} else {
		for i := 0; i < 3; i++ {
			for j := 0; j < 3; j++ {
				dp[1][i][j] = dp[0][0][i]
			}
		}
	}
	for i := 1; i < n-1; i++ {
		if kind[i+1] > 0 {
			for j := 0; j < 3; j++ {
				if j == kind[i+1]-1 {
					for k := 0; k < 3; k++ {
						if j != k {
							dp[i+1][j][kind[i+1]-1] += dp[i][k][j]
							dp[i+1][j][kind[i+1]-1] %= 10000
						}
					}
				} else {
					for k := 0; k < 3; k++ {
						dp[i+1][j][kind[i+1]-1] += dp[i][k][j]
						dp[i+1][j][kind[i+1]-1] %= 10000
					}
				}
			}
		} else {
			for j := 0; j < 3; j++ {
				for k := 0; k < 3; k++ {
					for l := 0; l < 3; l++ {
						if j != k || k != l {
							dp[i+1][k][j] += dp[i][l][k]
							dp[i+1][k][j] %= 10000
						}
					}
				}
			}
		}
	}
	result := 0
	for i := 0; i < 3; i++ {
		for j := 0; j < 3; j++ {
			result += dp[n-1][i][j]
		}
	}
	// fmt.Println(dp)
	// fmt.Println(kind)
	fmt.Println(result % 10000)
}

C++: #include <algorithm>
#include <complex>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cctype>
#include <cmath>
#include <cassert>
#include <iostream>
#include <map>
#include <queue>
#include <sstream>
#include <string>
#include <stack>
#include <set>
#include <vector>

using namespace std;

#define all(c) ((c).begin()), ((c).end())
#define dump(c) cerr << "> " << #c << " = " << (c) << endl;
#define iter(c) __typeof((c).begin())
#define tr(i, c) for (iter(c) i = (c).begin(); i != (c).end(); i++)
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define repi(i, a, b) for (int i = (int)(a); i <= (int)(b); i++)

#define mp make_pair
#define fst first
#define snd second
#define pb push_back

typedef unsigned int uint;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<double> vd;
typedef vector<vd> vvd;
typedef vector<string> vs;
typedef pair<int,int> pii;

const int INF = 1 << 29;
const double EPS = 1e-10;

template<typename T1,typename T2>
ostream& operator<<(ostream& os,const pair<T1,T2>& p){
    return os<<'('<<p.first<<','<<p.second<<')';
}
template<typename T>
ostream& operator<<(ostream& os,const vector<T>& a){
    os<<'[';
    rep(i,a.size()) os<<(i?" ":"")<<a[i];
    return os<<']';
}

int dp[110][20];
int plan[110];
int N;

char get_ng_pasta(char state) {
    repi(t, 1, 3) {
        int m = (1 << 2) - 1;
        if ((state & m) == t && (state >> 2 & m) == t) return t;
    }
    return 0;
}

int go(int day, char state) {
    if (dp[day][state] != -1) return dp[day][state];
    if (day == N) return dp[day][state] = 1;
    
    char ng_pasta = get_ng_pasta(state);
    int ans = 0;
    if (plan[day] != 0) {
        if (ng_pasta != plan[day]) ans += go(day + 1, state >> 2 | plan[day] << 2);
        ans %= 10000;
    }
    else {
        repi(t, 1, 3) if (t != ng_pasta) {
            ans += go(day + 1, state >> 2 | t << 2);
            ans %= 10000;
        }
    }

    return dp[day][state] = ans;
}

int main() {
   int K; cin >> N >> K;
   rep(i, K) {
        int A, B; cin >> A >> B;
        plan[A - 1] = B;
   }
   
   memset(dp, -1, sizeof(dp));
   cout << go(0, 0) << endl;

    return 0;
}

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

enum Sauce{ NOT_DETERMINED = 0, Tomato = 1, Cream = 2, Basil = 3 };
enum Seq{ SAME, DIFF };

const int divisor = 10000;

class Pasta{
public:
	Pasta(int _N);
	~Pasta();

	Sauce* sauceary;
	int schedule(int i, Sauce yesterday, Seq seq);

private:
	int N;
	int*** memo;
};

Pasta::Pasta(int _N){
	N = _N;
	sauceary = new Sauce[N + 1];
	memo = new int**[N + 1];

	for (int i = 0; i <= N; i++) sauceary[i] = NOT_DETERMINED;

	for (int i = 0; i <= N; i++){
		memo[i] = new int*[4];
		for (int j = 0; j < 4; j++){
			memo[i][j] = new int[2];
			memo[i][j][SAME] = -1;
			memo[i][j][DIFF] = -1;
		}
	}
}

Pasta::~Pasta(){
	delete[] sauceary;
	delete[] memo;
}

int Pasta::schedule(int i, Sauce yesterday, Seq seq){
	if (i == N + 1) return 1;
	if (memo[i][yesterday][seq] >= 0) return memo[i][yesterday][seq];

	if (seq == SAME && yesterday == sauceary[i]){
		memo[i][yesterday][SAME] = 0;
		return 0;
	}

	if (sauceary[i] == NOT_DETERMINED){
		int tmpmemo = 0;

		for (int si = 1; si <= 3; si++){
			if ((Sauce)si == yesterday && seq == SAME) continue;
			else if ((Sauce)si == yesterday && seq == DIFF) tmpmemo += schedule(i + 1, (Sauce)si, SAME) % divisor;
			else tmpmemo += schedule(i + 1, (Sauce)si, DIFF) % divisor;
		}
		memo[i][yesterday][seq] = tmpmemo % divisor;
		return tmpmemo;
	}
	else {
		if (yesterday == sauceary[i]) memo[i][yesterday][seq] = schedule(i + 1, sauceary[i], SAME) % divisor;
		else memo[i][yesterday][seq] = schedule(i + 1, sauceary[i], DIFF) % divisor;
			
		return memo[i][yesterday][seq];
	}
}

int main(){
	int N, K;
	cin >> N >> K;

	Pasta* pasta = new Pasta(N);

	for (int i = 0; i < K; i++){
		int A, B;
		cin >> A >> B;
		pasta->sauceary[A] = (Sauce)B;
	}

	/*int ans;
	if (pasta->sauceary[1] == NOT_DETERMINED){
		ans = pasta->schedule(2, Tomato, DIFF) + pasta->schedule(2, Cream, DIFF) + pasta->schedule(2, Basil, DIFF);
	}
	else {
		ans = pasta->schedule(2, pasta->sauceary[1], DIFF);
	}*/

	cout << pasta->schedule(1, NOT_DETERMINED, DIFF)%divisor << endl;

	delete pasta;
	return 0;
}