my code:
#include<bits/stdc++.h>#define ll long long#define sf(a) scanf("%lld",&a)#define pf(b) printf("%lld",b)using namespace std;int main(){ll n,x,y,s,e;sf(n),sf(x),sf(y);ll ar[n+1],br[n+1],a[x+1],b[x+1];for(ll i=0;i<n;i++){sf(ar[i]),sf(br[i]);}for(ll i=0;i<x;i++)sf(a[i]);for(ll i=0;i<y;i++)sf(b[i]);ll ans=100000000000,val;
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