CODE FESTIVAL 2016 Final

Submission #7447632

Source codeソースコード

#include <bits/stdc++.h>
using namespace std;
using Int = long long;
const Int MOD = 1000000007;
Int dp[301][301][301];
int main() {
    int N, M; cin >> N >> M;
    dp[0][1][1] = 1;
    for (int i = 0; i < M; i++) {
        for (int j = 0; j <= N; j++) {
            for (int k = 0; k <= j; k++) {
                if (j + 1 <= N) dp[i+1][j+1][k] += dp[i][j][k] * (N - j);
                dp[i+1][j][k] += dp[i][j][k] * (j - k);
                dp[i+1][j][j] += dp[i][j][k] * k;
            }
        }
        for (int j = 0; j <= N; j++) {
            for (int k = 0; k <= j; k++) {
                dp[i+1][j][k] %= MOD;
            }
        }
    }
    cout << dp[M][N][N] << '\n';
    return 0;
}

Submission

Task問題 F - Road of the King
User nameユーザ名 ha15
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 AC
Score得点 1000
Source lengthソースコード長 727 Byte
File nameファイル名
Exec time実行時間 102 ms
Memory usageメモリ使用量 212608 KB

Test case

Set

Set name Score得点 / Max score Cases
sample - sample-01.txt,sample-02.txt,sample-03.txt
all 1000 / 1000 sample-01.txt,sample-02.txt,sample-03.txt,01-01.txt,01-02.txt,01-03.txt,01-04.txt,01-05.txt,01-06.txt,01-07.txt,01-08.txt,01-09.txt,01-10.txt,sample-01.txt,sample-02.txt,sample-03.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
01-01.txt AC 2 ms 384 KB
01-02.txt AC 1 ms 256 KB
01-03.txt AC 50 ms 211200 KB
01-04.txt AC 2 ms 896 KB
01-05.txt AC 50 ms 211200 KB
01-06.txt AC 55 ms 211584 KB
01-07.txt AC 99 ms 212480 KB
01-08.txt AC 102 ms 212608 KB
01-09.txt AC 102 ms 212608 KB
01-10.txt AC 102 ms 212608 KB
sample-01.txt AC 2 ms 2304 KB
sample-02.txt AC 64 ms 211840 KB
sample-03.txt AC 52 ms 108032 KB