제출 #981365

#제출 시각아이디문제언어결과실행 시간메모리
981365Unforgettablepl육각형 영역 (APIO21_hexagon)C++17
3 / 100
1 ms600 KiB
#include <bits/stdc++.h>
using namespace std;

const int modulo = 1e9+7;

int draw_territory(int N, int A, int B,
                   std::vector<int> D, std::vector<int> L) {
    auto ans = (long long)(L[0]+1ll);
    ans = (((((ans*(ans+1))%modulo)*500000004ll)%modulo)*(long long)(A))%modulo;
    return (int)ans;
}
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