제출 #980534

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
980534		vjudge1	Hexagonal Territory (APIO21_hexagon)	C++17	9 / 100	1 ms	604 KiB

hexagon

#include "hexagon.h"
#include<bits/stdc++.h>
#define sz size()
#define ll long long
using namespace std;
const ll M = 1e9 + 7;
int draw_territory(int N, int A, int B, vector<int> D, vector<int> L)
{
    ll l = L[0] + 1;
    ll ans = 0;
    if(l % 3 == 0) ans = l / 3 * (l - 1) % M * (l + 1) % M;
    if(l % 3 == 1) ans = (l - 1) / 3 * l % M * (l + 1) % M;
    if(l % 3 == 2) ans = (l + 1) / 3 * l % M * (l - 1) % M;
    ans = ans * B % M;

    ll res = 0;
    res = l * (l + 1) / 2 % M * (ll)A % M;
    res = (res + ans) % M;
    return int(res);

}


//void solve()
//{
//}
//
//signed main()
//{
//    ios_base::sync_with_stdio(0);
//    cin.tie(0), cout.tie(0);
////    solve();
//}

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