Submission #598664

#	Time	Username	Problem	Language	Result	Execution time	Memory
598664		Jomnoi	Hexagonal Territory (APIO21_hexagon)	C++17	9 / 100	8 ms	304 KiB

hexagon

#include <bits/stdc++.h>
#include "hexagon.h"
using namespace std;

const long long M = 1e9 + 7;
const long long D2 = 500000004;
const long long D3 = 333333336;

int draw_territory(int N, int A, int B, vector <int> D, vector <int> L) {
    long long l = L[0] + 1;
    long long a = l * (l + 1) % M * D2 % M;
    long long d = ((l * l % M * l % M - l) % M + M) % M * D3 % M;
    return (a * A % M + d * B % M) % M;
}

• 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