zzyxl_qaq @ 2022-12-21 11:06:36
#include<bits/stdc++.h>
using namespace std;
int s[1005];
bool fl[1005];
bool check(int a,int b){
int i=1;
while(i<=a&&i<=b){
if(a%i!=b%i)return false;
i*=10;
}
return true;
}
int main(){
int n,q,w,num;
cin>>n>>q;
for(int i=1;i<=n;i++)cin>>s[i];
sort(s+1,s+n+1);
for(int i=1;i<=q;i++){
cin>>w>>num;
bool flag=true;
for(int j=1;j<=n;j++){
if((s[j]>=num)&&check(s[j],num)&&fl[j]==false){
cout<<s[j]<<endl;
fl[j]=true;
flag=0;
break;
}
}
if(flag)cout<<-1<<endl;
}
return 0;
}
by mooktian @ 2023-03-07 19:27:42
#include <bits/stdc++.h>
#define f(i,a,b) for(int i=a;i<=b;i++)
#define g(i,a,b) for(int i=a;i>=b;i--)
using namespace std;
int n,q,book[1001],len,code,flag;
int main(){
cin>>n>>q;
f(i,1,n) cin>>book[i];
sort(book+1,book+n+1);
f(i,1,q) {
cin>>len>>code;
f(j,1,n) {
if(book[j]%((int)pow(10,len))==code) {
printf("%d\n",book[j]);
flag=1;
break;
}
}
if(!flag) printf("%d\n",-1);
flag=0;
}
return 0;
}