Go: package main

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

func main() {

	sc := bufio.NewScanner(os.Stdin)
	sc.Scan()
	args := strings.Split(sc.Text(), " ")
	n, _ := strconv.Atoi(args[0])
	t, _ := strconv.ParseInt(args[1], 10, 64)

	q, _ := strconv.Atoi(args[2])

	pos := make([]int64, n)
	direction := make([]bool, n)

	for i := 0; i < n; i++ {
		sc.Scan()
		args = strings.Split(sc.Text(), " ")

		pos[i], _ = strconv.ParseInt(args[0], 10, 64)
		q, _ := strconv.Atoi(args[1])
		if q == 1 {
			direction[i] = true
		}
	}

	qq := make([]int, q)
	for i := 0; i < q; i++ {
		sc.Scan()
		args = strings.Split(sc.Text(), " ")

		qq[i], _ = strconv.Atoi(args[0])
	}

	ans(n, q, t, pos, direction, qq)

}

func ans(n, q int, t int64, pos []int64, dir []bool, qq []int) {

	colleation := []int64{} // syoutotu positon

	for i := 1; i < n; i++ {
		if dir[i-1] == dir[i] {
			continue
		}
		colleation = append(colleation, (pos[i-1]+pos[i])/2)

	}
	//fmt.Println(colleation)
	for i := 0; i < q; i++ {
		var ans int64
		ans = int64(-9999999)
		if dir[qq[i]-1] == true {
			// 東向きなら現ポジから＋方向で一番近い衝突点との距離を求めて、Tとの差が
			for _, v := range colleation {
				if v <= pos[qq[i]-1] {
					continue
				} else {
					// 衝突予定点が確定。衝突点との距離がT以下なら衝突点で停止
					if v-pos[qq[i]-1] <= t {
						ans = v
					} else {
						ans = pos[qq[i]-1] + int64(t)
					}
					break
				}
			}
			if ans == -9999999 {
				ans = pos[qq[i]-1] + int64((t))
			}

		} else {
			// nishi向きなら現ポジから-方向で一番近い衝突点との距離を求めて、Tとの差が
			for j := len(colleation); j > 0; j-- {
				if colleation[j-1] >= pos[qq[i]-1] {
					continue
				}
				v := colleation[j-1]
				//fmt.Printf("hoge=%d\n", v)
				// 衝突予定点が確定
				if pos[qq[i]-1]-v <= t {
					ans = v
				} else {
					ans = pos[qq[i]-1] - int64((t))
				}
				break

			}
			if ans == -9999999 {
				ans = pos[qq[i]-1] - int64((t))
			}

		}
		fmt.Printf("%d\n", ans)

	}

}

C++: #include <bits/stdc++.h>
                                        #include<iostream>
                                        #include<cstdio>
                                        #include<vector>
                                        #include<queue>
                                        #include<map>
                                        #include<cstring>
                                        #include<string>
                                        #include <math.h>
                                        #include<algorithm>
                                    //    #include <boost/multiprecision/cpp_int.hpp>
                                        #include<functional>
                               #define int long long
                                        #define inf  1000000007
                                        #define pa pair<int,int>
                                        #define ll long long
                                        #define pal pair<double,double>
                                        #define ppap pair<pa,int>
                                  
                                        #define ssa pair<string,int>
                                        #define  mp make_pair
                                        #define  pb push_back
                                        #define EPS (1e-7)
                                        #define equals(a,b) (fabs((a)-(b))<EPS)
int dx[4]={0,-1,0,1};
int dy[4]={1,0,-1,0};
                                        using namespace std;
                               			class pa3{
                                        	public:
                                        	int x,y,z;
                                        	pa3(int x=0,int y=0,int z=0):x(x),y(y),z(z) {}
                                        	bool operator < (const pa3 &p) const{
                                        		if(x!=p.x) return x<p.x;
                                        		if(y!=p.y) return y<p.y;
                                        		 return z<p.z;
                                        		//return x != p.x ? x<p.x: y<p.y;
                                        	}
                               				bool operator > (const pa3 &p) const{
                                        		if(x!=p.x) return x>p.x;
                                        		if(y!=p.y) return y>p.y;
                                        		 return z>p.z;
                                        		//return x != p.x ? x<p.x: y<p.y;
                                        	}
                                        	bool operator == (const pa3 &p) const{
                                        		return x==p.x && y==p.y && z==p.z;
                                        	}
                                        		bool operator != (const pa3 &p) const{
                                        			return !( x==p.x && y==p.y && z==p.z);
                                        	}
                                        
                                        };
                                        
                                        class pa4{
                                        	public:
                                        	int x;
                                        	int y,z,w;
                                        	pa4(int x=0,int y=0,int z=0,int w=0):x(x),y(y),z(z),w(w) {}
                                        	bool operator < (const pa4 &p) const{
                                        		if(x!=p.x) return x<p.x;
                                        		if(y!=p.y) return y<p.y;
                                        		if(z!=p.z)return z<p.z;
                                        		return w<p.w;
                                        		//return x != p.x ? x<p.x: y<p.y;
                                        	}
                                        	bool operator > (const pa4 &p) const{
                                        		if(x!=p.x) return x>p.x;
                                        		if(y!=p.y) return y>p.y;
                                        		if(z!=p.z)return z>p.z;
                                        		return w>p.w;
                                        		//return x != p.x ? x<p.x: y<p.y;
                                        	}
                                        	bool operator == (const pa4 &p) const{
                                        		return x==p.x && y==p.y && z==p.z &&w==p.w;
                                        	}
                                        		
                                        
                                        };
                                        class pa2{
                                        	public:
                                        	int x,y;
                                        	pa2(int x=0,int y=0):x(x),y(y) {}
                                        	pa2 operator + (pa2 p) {return pa2(x+p.x,y+p.y);}
                                        	pa2 operator - (pa2 p) {return pa2(x-p.x,y-p.y);}
                                        	bool operator < (const pa2 &p) const{
                                        		return x != p.x ? x<p.x: y<p.y;
                                        	}
                                        	bool operator > (const pa2 &p) const{
                                        		return x != p.x ? x>p.x: y>p.y;
                                        	}
                                        	bool operator == (const pa2 &p) const{
                                        		return abs(x-p.x)==0 && abs(y-p.y)==0;
                                        	}
                                        	bool operator != (const pa2 &p) const{
                                        		return !(abs(x-p.x)==0 && abs(y-p.y)==0);
                                        	}
                                        		
                                        
                                        };
                                        
                                               #define ppa pair<int,pas>
                                        class Point{
                                        	public:
                                        	double x,y;
                                        	Point(double x=0,double y=0):x(x),y(y) {}
                                        	Point operator + (Point p) {return Point(x+p.x,y+p.y);}
                                        	Point operator - (Point p) {return Point(x-p.x,y-p.y);}
                                        	Point operator * (double a) {return Point(x*a,y*a);}
                                        	Point operator / (double a) {return Point(x/a,y/a);}
                                        	double absv() {return sqrt(norm());}
                                        	double norm() {return x*x+y*y;}
                                        	bool operator < (const Point &p) const{
                                        		return x != p.x ? x<p.x: y<p.y;
                                        	}
                                        	bool operator == (const Point &p) const{
                                        		return fabs(x-p.x)<EPS && fabs(y-p.y)<EPS;
                                        	}
                                        };
                                        typedef Point Vector;
                                 #define pl pair<int,pas>
                                        struct Segment{
                                        Point p1,p2;
                                        };
                                         double dot(Vector a,Vector b){
                                        	return a.x*b.x+a.y*b.y;
                                        }
                                        double cross(Vector a,Vector b){
                                        	return a.x*b.y-a.y*b.x;
                                        }
                                    
            bool parareru(Point a,Point b,Point c,Point d){
            //	if(abs(cross(a-b,d-c))<EPS)cout<<"dd "<<cross(a-b,d-c)<<endl;
            	return abs(cross(a-b,d-c))<EPS;
            }
            double distance_ls_p(Point a, Point b, Point c) {
              if ( dot(b-a, c-a) < EPS ) return (c-a).absv();
              if ( dot(a-b, c-b) < EPS ) return (c-b).absv();
              return abs(cross(b-a, c-a)) / (b-a).absv();
            }
            bool is_intersected_ls(Segment a,Segment b) {
            	if(a.p1==b.p1||a.p2==b.p1||a.p1==b.p2||a.p2==b.p2) return false;
            	if(parareru((a.p2),(a.p1),(a.p1),(b.p2))&&parareru((a.p2),(a.p1),(a.p1),(b.p1))){
            //		cout<<"sss"<<endl;
            		if(dot(a.p1-b.p1,a.p1-b.p2)<EPS) return true;
            		if(dot(a.p2-b.p1,a.p2-b.p2)<EPS) return true;
            		if(dot(a.p1-b.p1,a.p2-b.p1)<EPS) return true;
            		if(dot(a.p1-b.p2,a.p2-b.p2)<EPS) return true;
            		return false;
            	}
              else return ( cross(a.p2-a.p1, b.p1-a.p1) * cross(a.p2-a.p1, b.p2-a.p1) < EPS ) && ( cross(b.p2-b.p1, a.p1-b.p1) * cross(b.p2-b.p1, a.p2-b.p1) < EPS );
            }
             
            double segment_dis(Segment a,Segment b){
            	if(is_intersected_ls(a,b))return 0;
            	double r=distance_ls_p(a.p1, a.p2, b.p1);
            	r=min(r,distance_ls_p(a.p1, a.p2, b.p2));
            	r=min(r,distance_ls_p(b.p1, b.p2, a.p2));
            	r=min(r,distance_ls_p(b.p1, b.p2, a.p1));
            	return r;
            }
            Point intersection_ls(Segment a, Segment b) {
              Point ba = b.p2-b.p1;
              double d1 = abs(cross(ba, a.p1-b.p1));
              double d2 = abs(cross(ba, a.p2-b.p1));
              double t = d1 / (d1 + d2);
             
              return a.p1 + (a.p2-a.p1) * t;
            }
             
                            string itos( int i ) {
                            ostringstream s ;
                            s << i ;
                            return s.str() ;
                            }
                             
                            int gcd(int v,int b){
                            	if(v>b) return gcd(b,v);
                            	if(v==b) return b;
                            	if(b%v==0) return v;
                            	return gcd(v,b%v);
                            }
             
                            double distans(double x1,double y1,double x2,double y2){
                            	double rr=(x1-x2)*(x1-x2)+(y1-y2)*(y1-y2);
                            	return sqrt(rr);
                            	
                            }
                            
   //         int pr[2000010];
     //       int inv[2000010];
            
            int beki(int wa,int rr,int warukazu){
            	if(rr==0) return 1ll;
            	if(rr==1) return wa%warukazu;
            	if(rr%2==1) return (beki(wa,rr-1,warukazu)*wa)%warukazu;
            	int zx=beki(wa,rr/2,warukazu);
            	return (zx*zx)%warukazu;
            }
            /*
			int comb(int nn,int rr){
				int r=pr[nn]*inv[rr];
				r%=inf;
				r*=inv[nn-rr];
				r%=inf;
				return r;
			}
            
            void gya(int ert){
            	pr[0]=1;
            	for(int i=1;i<ert;i++){
            		pr[i]=(pr[i-1]*i)%inf;
            	}
            	for(int i=0;i<ert;i++) inv[i]=beki(pr[i],inf-2,inf);
            	
            }
             */
			//priority_queue<pa3,vector<pa3>,greater<pa3>> pq;            
             //sort(ve.begin(),ve.end(),greater<int>());
                                     //----------------kokomade tenpure------------
unsigned int randxor()
{
    static unsigned int x=123456789,y=362436069,z=521288629,w=88675123;
    unsigned int t;
    t=(x^(x<<11));x=y;y=z;z=w; return( w=(w^(w>>19))^(t^(t>>8)) );
}
int a[100020],d[100020],pos[100020];
bool ch[100020]={0},sumi[100020]={0};
  signed main(){
  	              cin.tie(0);
    		ios::sync_with_stdio(false);
int n,t,q;
  	cin>>n>>t>>q;
  	for(int i=1;i<=n;i++)cin>>a[i]>>d[i];
  	for(int i=1;i<=n;i++){
  		if(d[i]==1)break;
  		ch[i]=1;
  		sumi[i]=1;
  	}
  	for(int i=n;i>0;i--){
  		if(d[i]==2) break;
  		ch[i]=1;
  		sumi[i]=1;
  	}
  	
  	for(int i=1;i<n;i++)if(d[i]==1 && d[i+1]==2){
  		pos[i]=(a[i]+a[i+1])/2;
  		pos[i+1]=pos[i];
  		sumi[i]=1;
  		sumi[i+1]=1;
  	}
  	
  	for(int i=1;i<=n;i++)if(!ch[i])if(!sumi[i])if(d[i]==2)pos[i]=pos[i-1];
  	for(int i=n;i>0;i--)if(!ch[i])if(!sumi[i])if(d[i]==1)pos[i]=pos[i+1];
  	
  	for(int i=0;i<q;i++){
  		int y;
  		cin>>y;
  		
  		if(ch[y]){
  			if(d[y]==2) cout<<a[y]-t<<endl;
  			else cout<<a[y]+t<<endl;
  		}
  		else{
  			if(d[y]==2) cout<<max(a[y]-t,pos[y])<<endl;
  			else cout<<min(a[y]+t,pos[y])<<endl;
  		}
  	}
  	
  	return 0;
                }