제출 #1203419

#제출 시각아이디문제언어결과실행 시간메모리
1203419Muaath_5육각형 영역 (APIO21_hexagon)C++20
3 / 100
0 ms396 KiB
#include <bits/stdc++.h>
#define ll long long
using namespace std;
const int MOD = 1000000007;

int draw_territory(int N, int A, int B, vector<int> D, vector<int> L) {
  const ll len = L[0]+1;
  const ll cnt = (len*(len+1)/2)%MOD;
  return ( (1LL*A*cnt)%MOD + (1LL*B*(len*(len+1)*(2*len+1)/6 - cnt)) )%MOD;
}
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