結果

問題 No.612 Move on grid
ユーザー tentententen
提出日時 2021-07-21 12:43:01
言語 Java
(openjdk 23)
結果
AC  
実行時間 186 ms / 2,500 ms
コード長 1,968 bytes
コンパイル時間 2,572 ms
コンパイル使用メモリ 77,364 KB
実行使用メモリ 89,524 KB
最終ジャッジ日時 2024-07-17 13:57:11
合計ジャッジ時間 6,244 ms
ジャッジサーバーID
(参考情報)
judge2 / judge1
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 4
other AC * 17
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

import java.io.*;
import java.util.*;
public class Main {
static final int MOD = 1000000007;
static final int BASE = 10001;
public static void main(String[] args) throws Exception {
Scanner sc = new Scanner();
int n = sc.nextInt();
int a = sc.nextInt();
int b = sc.nextInt();
int c = sc.nextInt();
int d = sc.nextInt();
int e = sc.nextInt();
int[][] dp = new int[n + 1][20003];
dp[0][BASE] = 1;
for (int i = 1; i <= n; i++) {
for (int j = BASE - (i - 1) * 20; j <= BASE + (i - 1) * 20; j++) {
if (dp[i - 1][j] == 0) {
continue;
}
dp[i][j + a] += dp[i - 1][j];
dp[i][j + a] %= MOD;
dp[i][j - a] += dp[i - 1][j];
dp[i][j - a] %= MOD;
dp[i][j + b] += dp[i - 1][j];
dp[i][j + b] %= MOD;
dp[i][j - b] += dp[i - 1][j];
dp[i][j - b] %= MOD;
dp[i][j + c] += dp[i - 1][j];
dp[i][j + c] %= MOD;
dp[i][j - c] += dp[i - 1][j];
dp[i][j - c] %= MOD;
}
}
int ans = 0;
for (int i = BASE + d; i <= BASE + e; i++) {
ans += dp[n][i];
ans %= MOD;
}
System.out.println(ans);
}
}
class Scanner {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
StringTokenizer st = new StringTokenizer("");
public Scanner() throws Exception {
}
public int nextInt() throws Exception {
return Integer.parseInt(next());
}
public long nextLong() throws Exception {
return Long.parseLong(next());
}
public String next() throws Exception {
if (!st.hasMoreTokens()) {
st = new StringTokenizer(br.readLine());
}
return st.nextToken();
}
}
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