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 <iostream>
#include <cstdio>
#include <cstdlib>
#include <string>
#include <vector>
#include <deque>
#include <list>
#include <algorithm>
#include <numeric>
#include <functional>
#include <cmath>
#include <cstring>
#include <cctype>
#include <sstream>
#include <set>
#include <map>
#include <queue>
#include <complex>
using namespace std;

int main() {
	int N, M, x, y;
	pair<int, int> robot;
	int field[20][20];

	while(cin >> N, N) {
		for(int i=0; i<=20; i++)
			for(int j=0; j<=20; j++)
				field[i][j] = 0;
		robot.first = robot.second = 10;
		for(int i=0; i<N; i++) {
			cin >> x >> y;
			field[x][y] = 1;
		}
		cin >> M;
		for(int i=0; i<M; i++) {
			char drct;
			int dis;
			cin >> drct >> dis;
			if(drct == 'N') {
				for(int i=robot.second+1; i<=robot.second+dis; i++) {
					field[robot.first][i] = 0;
				}
				robot.second += dis;
			}
			else if(drct == 'E') {
				for(int i=robot.first+1; i<=robot.first+dis; i++) {
					field[i][robot.second] = 0;
				}
				robot.first += dis;
			}
			else if(drct == 'S') {
				for(int i=robot.second-dis+1; i<=robot.second; i++) {
					field[robot.first][i] = 0;
				}
				robot.second -= dis;
			}
			else if(drct == 'W') {
				for(int i=robot.first-dis+1; i<=robot.first; i++) {
					field[i][robot.second] = 0;
				}
				robot.first -= dis;
			}
		}
		int check = 0;
		for(int i=0; i<=20; i++)
			for(int j=0; j<=20; j++)
				check += field[i][j];

		if(check) cout << "No" << endl;
		else cout << "Yes" << endl;
	}

	return 0;
}

C++: #include <iostream>
#include <string>
#include <cstdlib>
#include <cmath>
#include <vector>
#include <map>
#include <set>
#include <algorithm>
#include <queue>
#include <stack>
#include <functional>
#include <bitset>
#include <assert.h>
using namespace std;
typedef long long ll;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<char> vc;
typedef vector<string> vs;
typedef vector<bool> vb;
typedef vector<double> vd;
typedef pair<ll,ll> P;
typedef vector<P> vpl;
typedef tuple<ll,ll,ll> tapu;
#define rep(i,n) for(ll i=0; i<(n); i++)
#define REP(i,a,b) for(int i=(a); i<(b); i++)
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
const int inf = 1<<30;
const ll linf = 1LL<<62;
const int MAX = 510000;
ll dy[8] = {0,1,0,-1,1,-1,1,-1};
ll dx[8] = {1,0,-1,0,1,-1,-1,1};
const double pi = acos(-1);
const double eps = 1e-7;
template<typename T1,typename T2> inline bool chmin(T1 &a,T2 b){
	if(a>b){
		a = b; return true;
	}
	else return false;
}
template<typename T1,typename T2> inline bool chmax(T1 &a,T2 b){
	if(a<b){
		a = b; return true;
	}
	else return false;
}
template<typename T1,typename T2> inline void print2(T1 a, T2 b){cout << a << " " << b << endl;}
template<typename T1,typename T2,typename T3> inline void print3(T1 a, T2 b, T3 c){
	cout << a << " " << b << " " << c << endl;
}
const int mod = 1e9 + 7;
//const int mod = 998244353;

int main(){
	while(1){
		ll n; cin >> n;
		if(n==0) break;
		vl x(n),y(n);
		rep(i,n) cin >> x[i] >> y[i];
		bool f[25][25];
		rep(i,21) rep(j,21) f[i][j] = false;
		ll nx = 10, ny = 10;
		f[10][10] = true;
		ll m; cin >> m;
		map<char,ll> mp;
		mp['N'] = 1; mp['E'] = 0; mp['S'] = 3; mp['W'] = 2;
		while(m--){
			char s; ll t; cin >> s >> t;
			REP(i,1,t+1){
				nx += dx[mp[s]];
				ny += dy[mp[s]];
				f[nx][ny] = true;
			}
		}
		ll ans = 0;
		rep(i,n){
			if(f[x[i]][y[i]]) ans++;
		}
		if(ans < n) puts("No");
		else puts("Yes");
	}
}

C++: #include<bits/stdc++.h>
#define LL long long
#define REP(i,n) for(int i=0;i<(n);++i)
#define REPA(i,n) for(int i=1;i<(n);++i)
#define PII pair<int,int>
#define PLI pair<long long, int>
#define PLL pair<long long, long long>
#define MOD ((int)1e9 + 7)
#define INF ((int)1e9)
#define INFLL ((LL)1e18)
#define ALL(x) (x).begin(),(x).end()
#define CTOI(x) (x - 'A') 
#define ctoi(x) (x - 'a')
#define BIT(x) (1 << (x))
using namespace std;

LL modinv(LL a){
    LL b = MOD, u = 1, v = 0;
    while(b){
        LL t = a / b;
        a -= t * b;swap(a, b);
        u -= t * v;swap(u, v);
    }
    u%=MOD;
    if(u < 0) u += MOD;
    return u;
}

LL exp(LL a, LL b){
    LL res = 1;
    LL sum = a;
    while(b){
        if(b&1)res = (res * sum) % MOD;
        sum = (sum * sum) % MOD;
        b>>=1;
    }
    return res;
}

int count(int x){
    int res = 0;
    while(x){
        res += x & 1;
        x>>=1;
    }
    return res;
}

int main(){
    int N;
    while(cin >> N && N){
        vector<vector<int> > m(21, vector<int>(21, 0));
        REP(i, N){
            int x;
            int y;
            cin >> x >> y;
            ++m[x][y];
        }
        int count = 0;
        int M;
        cin >> M;
        int nx, ny;
        nx = ny = 10;
        REP(i, M){
            char D;
            int l;
            cin >> D >> l;
            REP(j, l){
                if(D == 'N')++ny;
                if(D == 'S')--ny;
                if(D == 'E')++nx;
                if(D == 'W')--nx;
                if(m[nx][ny]){
                    count += m[nx][ny];
                    m[nx][ny]=0;
                }
            }
        }
        cout << (N == count?"Yes":"No") << endl;
    }
    return 0;
}