Submission #1120770

#	Time	Username	Problem	Language	Result	Execution time	Memory
1120770		ezzzay	Circle Passing (EGOI24_circlepassing)	C++14	14 / 100	181 ms	11264 KiB

Main

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ff first
#define ss second
#define pb push_back
const int N=3e5+5;
vector<int>ans;
int n,m,q;
int fun(int x, int y){
    int h=abs(y-x);
    return min(h,2*n-h);
}
signed main(){
    cin>>n>>m>>q;
    vector<int>v={-1,INT_MAX};
    for(int i=1;i<=m;i++){
        int a;
        cin>>a;
        v.pb(a);
        if(a<n)v.pb(a+n);
        else v.pb(a-n);
    }
    sort(v.begin(),v.end());
    while(q--){
        int a,b;
        cin>>a>>b;
        auto it=upper_bound(v.begin(),v.end(),a);
        int x=*it;
        it--;
        int y= *it;
        int p=fun(a,b);
        if(x!=INT_MAX){
            int z;
            if(x<n)z=n+x;
            else z=x-n;
            p=min(p,fun(a,x)+fun(b,z)+1);
            
        }
        
        if(y!=-1){
            int z;
            if(y<n)z=n+y;
            else z=y-n;
            p=min(p,fun(a,y)+fun(b,z)+1);
        }
        ans.pb(p);
    }
    for(auto a:ans)cout<<a<<endl;
}

• Subtask 1: 14 / 14
• Subtask 2: 0 / 20
• Subtask 3: 0 / 22
• Subtask 4: 0 / 17
• Subtask 5: 0 / 27