Barcelona_Messi @ 2018-02-14 19:57:55

by Barcelona_Messi @ 2018-02-14 20:00:23

include<iostream>

include<cstdio>

include<string>

include<cstring>

using namespace std; struct node { int lon,no; }need[1001]; int main() { int n,q,book[1001],i,j,z,k,t,d,ji; cin>>n>>q; for(i=1;i<=n;i++) cin>>book[i]; for(i=1;i<=q;i++) cin>>need[i].lon>>need[i].no; for(i=1;i<=n-1;i++) for(j=1;j<=n-i;j++) if(book[j]>book[j+1]) { z=book[j]; book[j]=book[j+1]; book[j+1]=z; } for(i=1;i<=q;i++) { t=0; d=1; for(ji=1;ji<=need[i].lon;ji++) d=d*10; for(j=1;j<=n;j++) { k=book[j]%d; if(k==need[i].no) { cout<<book[j]<<endl;book[j]=0;t=1;break;}
} if(t==0) cout<<"-1"<<endl;} return 0; }