Go: package main

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

var (
	sc = bufio.NewScanner(os.Stdin)
)

type Point struct {
	X, Y int
}

type Gem struct {
	ID int
	Point
}

type Map struct {
	Current       *Point
	Gems          map[int]*Gem
	CollectedGems map[int]*Gem
}

func (m *Map) Move(dir string, l int) {
	switch {
	case dir == "N" || dir == "S":
		a := 1
		if dir == "S" {
			a = -1
		}
		for i := 0; i < l; i++ {
			m.Current.Y += a
			for _, g := range m.Gems {
				m.TryToTakeGem(g)
			}
		}
	case dir == "E" || dir == "W":
		a := 1
		if dir == "W" {
			a = -1
		}
		for i := 0; i < l; i++ {
			m.Current.X += a
			for _, g := range m.Gems {
				m.TryToTakeGem(g)
			}
		}
	}
}

func (m *Map) HasCompleted() bool {
	return len(m.Gems) == 0
}

func (m *Map) TryToTakeGem(g *Gem) {
	if m.Current.X == g.X && m.Current.Y == g.Y {
		m.CollectedGems[g.ID] = g
		delete(m.Gems, g.ID)
	}
}

func main() {
	for sc.Scan() {
		n, _ := strconv.Atoi(sc.Text())
		if n == 0 {
			break
		}
		m := &Map{
			Current:       &Point{X: 10, Y: 10},
			Gems:          map[int]*Gem{},
			CollectedGems: map[int]*Gem{},
		}
		for i := 0; i < n; i++ {
			sc.Scan()
			chunks := strings.Split(sc.Text(), " ")
			x, _ := strconv.Atoi(chunks[0])
			y, _ := strconv.Atoi(chunks[1])
			m.Gems[i+1] = &Gem{ID: i + 1, Point: Point{X: x, Y: y}}
		}
		sc.Scan()
		opCnt, _ := strconv.Atoi(sc.Text())
		for i := 0; i < opCnt; i++ {
			sc.Scan()
			chunks := strings.Split(sc.Text(), " ")
			dir := chunks[0]
			v, _ := strconv.Atoi(chunks[1])
			m.Move(dir, v)
		}
		msg := "No"
		if m.HasCompleted() {
			msg = "Yes"
		}
		fmt.Println(msg)
	}
}

C++: #include <bits/stdc++.h>

#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define RFOR(i, a, b) for(int i = (b)-1; i >= (a); i--)
#define REP(i, n) for(int i = 0; i < (n); i++)
#define RREP(i, n) for(int i = (n)-1; i >= 0; i--)
#define rep(i, n) for(int i = 0; i < (n); i++)
#define rrep(i, n) for(int i = (n)-1; i >= 0; i--)
#define loop while(true)

#define PB push_back
#define pb push_back
#define MP make_pair
#define mp make_pair
#define ALL(a) (a).begin(),(a).end()
#define all(a) (a).begin(),(a).end()

#define PII pair<int, int>
#define pii pair<int, int>
#define VB vector<bool>
#define VVB vector<vector<bool> >
#define VI vector<int>
#define VVI vector<vector<int> >

using namespace std;

typedef long long LL;
typedef unsigned long long ULL;

signed main()
{
    loop{
        int n;
        cin >> n;
        if(n == 0) break;

        VB gem_x(21, false);
        VB gem_y(21, false);
        rep(i, n){
            int x, y;
            cin >> x >> y;
            gem_x[x] = true;
            gem_y[y] = true;
        }

        int pos_x = 10;
        int pos_y = 10;

        int m;
        cin >> m;
        int gem_num = 0;
        rep(i, m){
            char dir;
            int leng;
            cin >> dir >> leng;
            switch(dir){
            case 'N':
                pos_y += leng;
                break;
            case 'E':
                pos_x += leng;
                break;
            case 'S':
                pos_y -= leng;
                break;
            case 'W':
                pos_x -= leng;
                break;
            }

            if(gem_x[pos_x] && gem_y[pos_y]) gem_num++;
        }

        if(gem_num == n){
            cout << "YES" << endl;
        } else {
            cout << "NO" << endl;
        }
    }
    
    return 0;
}

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

int main()
{
	int N;
	int M;
	int x[20];
	int y[20];
	char d;
	int l;

	while (cin >> N && N != 0)
	{
	        int flag[20][20] = {};
		int initX = 10;
		int initY = 10;
		int cnt = 0;

		for (int i = 0; i < N; i++)
		{
			cin >> x[i];
			cin >> y[i];
			flag[y[i]][x[i]] = 1;
		}

		cin >> M;

		for (int i = 0; i < M; i++)
		{
			cin >> d;
			cin >> l;
			int dx = 0;
			int dy = 0;

			for (int k = 0; k <= l; k++)
			{
				if (d == 'S' || d == 'W')
				{
					if (d == 'S')
					{
						for (int j = 0; j < N; j++)
						{
							if (x[j] == initX && y[j] == initY - k && flag[y[j]][x[j]] == 1)
							{
								cnt++;
								flag[y[j]][x[j]] = 0;
							}
						}
					}
					else
					{
						for (int j = 0; j < N; j++)
						{
							if (x[j] == initX - k && y[j] == initY && flag[y[j]][x[j]] == 1)
							{
								cnt++;
								flag[y[j]][x[j]] = 0;
							}
						}
					}
				}
				else
				{
					if (d == 'N')
					{
						for (int j = 0; j < N; j++)
						{
							if (x[j] == initX && y[j] == initY + k && flag[y[j]][x[j]] == 1)
							{
								cnt++;
								flag[y[j]][x[j]] = 0;
							}
						}
					}
					else
					{
						for (int j = 0; j < N; j++)
						{
							if (x[j] == initX + k && y[j] == initY && flag[y[j]][x[j]] == 1)
							{
								cnt++;
								flag[y[j]][x[j]] = 0;
							}
						}
					}
				}
			}
			if (d == 'S' || d == 'W')l = -l;
			if (d == 'S' || d == 'N')dy = l;
			if (d == 'W' || d == 'E')dx = l;

			initX += dx;
			initY += dy;
		}
		if (cnt == N)
		{
			cout << "Yes" << endl;
		}
		else
		{
			cout << "No" << endl;
		}

	}
	return 0;
}

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

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

int main(void)
{
	int n;
	while (cin >> n, n){
		int field[21][21];
		int x, y, jewel = 0, dir = 0;
		for (int i = 0; i < 21; i++) fill(field[i], field[i] + 21, 0);
		for (int i = 0; i < n; i++){
			cin >> x >> y;
			field[y][x] = 1;
			if (x == 10 && y == 10) {
				jewel--;
				field[y][x] = 0;
			}
			jewel++;
		}
		int m, move, nx = 10, ny = 10;
		char c;
		cin >> m;
		for (int i = 0; i < m; i++){
			cin >> c >> move;
			if (c == 'N') dir = 1;
			if (c == 'E') dir = 0;
			if (c == 'S') dir = 3;
			if (c == 'W') dir = 2;
			for (int j = 0; j < move; j++){
				nx += dx[dir];
				ny += dy[dir];
				if (field[ny][nx] == 1){
					field[ny][nx] = 0;
					jewel--;
				}
			}
		}
		
		if (jewel) cout << "No" << endl;
		else cout << "Yes" << endl;
	}
	
	return 0;
}

C++: #include <bits/stdc++.h>

using namespace std;

int main() {
	int N, M;
	while( cin >> N, N ) {
		vector<vector<int>>VVI( 21, vector<int>( 21 ) );
		for( size_t i = 0; i < N; i++ ) {
			int A, B;
			cin >> A >> B;
			VVI[A][B] = 1;
		}
		int nowA = 10, nowB = 10;
		cin >> M;
		for( size_t i = 0; i < M; i++ ) {
			char A;
			int B, moveA = 0, moveB = 0;
			cin >> A >> B;
			if( A == 'N' ) {
				moveB = 1;
			} else if( A == 'S' ) {
				moveB = -1;
			} else if( A == 'E' ) {
				moveA = 1;
			} else {
				moveA = -1;
			}
			for( size_t j = 0; j < B; j++ ) {
				nowA += moveA;
				nowB += moveB;
				if( VVI[nowA][nowB] ) {
					VVI[nowA][nowB] = 0;
					N--;
				}
			}
			if( VVI[nowA][nowB] ) {
				VVI[nowA][nowB] = 0;
				N--;
			}
		}
		if( N == 0 ) {
			cout << "YES" << endl;
		} else {
			cout << "NO" << endl;
		}
	}
}