제출 #887800

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
887800	2023-12-15 08:42:29	vjudge1	Tents (JOI18_tents)	C++14	100 / 100	52 ms	70732 KiB

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// Parsa Jokar 2023 https://github.com/phictus/ioi
#pragma GCC optimize("Ofast")
#include <iostream>
#include <cstdint>
using namespace std;
constexpr int64_t maxn = 3000, mod = 1000000007;
int64_t n, m, dp[maxn + 1][maxn + 1];
int main()
{
    ios_base::sync_with_stdio(false);
    cin >> n >> m;
    for (int64_t i = 0; i <= n; i++)
        dp[i][0] = 1;
    for (int64_t j = 0; j <= m; j++)
        dp[0][j] = 1;
    for (int64_t i = 1; i <= n; i++)
        dp[i][1] = 1 + 4 * i + (i * (i - 1)) / 2;
    for (int64_t j = 1; j <= m; j++)
        dp[1][j] = 1 + 4 * j + (j * (j - 1)) / 2;
    for (int64_t i = 2; i <= n; i++)
    {
        for (int64_t j = 2; j <= m; j++)
 
 
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• Subtask 1: 48 / 48
• Subtask 2: 52 / 52