Submission #712885

#	Time	Username	Problem	Language	Result	Execution time	Memory
712885		irmuun	Hexagonal Territory (APIO21_hexagon)	C++17	9 / 100	1 ms	300 KiB

hexagon

#include<bits/stdc++.h>
#include "hexagon.h"
using namespace std;
#define pb push_back
#define ll long long
#define ff first
#define ss second
#define PI 3.1415926535897932384626433
#define all(s) s.begin(),s.end()

const ll mod=1e9+7;

int draw_territory(int N,int A,int B,vector<int>D,vector<int>L){
    ll ans=(L[0]+1ll)*(L[0]+2ll)/2%mod;
    ans=ans*A%mod;
    ll p[4];
    p[0]=L[0];
    p[1]=L[0]+1;
    p[2]=L[0]*2+1;
    for(ll i=2;i<=3;i++){
        for(ll j=0;j<3;j++){
            if(p[j]%i==0){
                p[j]/=i;
                break;
            }
        }
    }
    ll cur=(L[0]+0ll)*(L[0]+1ll)/2%mod;
    cur=(cur+(p[0]*p[1]%mod*p[2]%mod))%mod;
    cur=cur*B%mod;
    ans=(ans+cur)%mod;
    return (int)ans;
}

• Subtask 1: 3 / 3
• Subtask 2: 6 / 6
• Subtask 3: 0 / 11
• Subtask 4: 0 / 12
• Subtask 5: 0 / 15
• Subtask 6: 0 / 19
• Subtask 7: 0 / 18
• Subtask 8: 0 / 16