結果
| 問題 |
No.1111 コード進行
|
| コンテスト | |
| ユーザー |
shojin_pro
|
| 提出日時 | 2020-07-10 22:49:56 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 672 ms / 2,000 ms |
| コード長 | 3,137 bytes |
| コンパイル時間 | 4,409 ms |
| コンパイル使用メモリ | 79,488 KB |
| 実行使用メモリ | 265,244 KB |
| 最終ジャッジ日時 | 2024-10-11 10:09:29 |
| 合計ジャッジ時間 | 12,165 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 48 |
ソースコード
import java.util.*;
import java.io.*;
public class Main {
static int n,m,k;
static ArrayList<Music> li;
public static void main(String[] args) throws Exception {
FastScanner sc = new FastScanner(System.in);
long mod = (long)Math.pow(10,9)+7;
n = sc.nextInt();
m = sc.nextInt();
k = sc.nextInt();
li = new ArrayList<>();
for(int i = 0; i < m; i++){
int p = sc.nextInt()-1;
int q = sc.nextInt()-1;
int c = sc.nextInt();
li.add(new Music(p,q,c));
}
Collections.sort(li);
long[][][] dp = new long[300][n+1][k+2];
for(int i = 0; i < 300; i++){
dp[i][1][0] = 1;
}
for(int i = 2; i <= n; i++){
for(Music m : li){
for(int j = k-m.c; j >= 0; j--){
dp[m.q][i][j+m.c] += dp[m.p][i-1][j];
dp[m.q][i][j+m.c] %= mod;
}
}
}
long ans = 0;
for(int i = 0; i < 300; i++){
ans += dp[i][n][k];
ans %= mod;
}
System.out.println(ans);
}
}
class Music implements Comparable<Music>{
int p,q,c;
public Music(int p, int q, int c){
this.p = p;
this.q = q;
this.c = c;
}
public int compareTo(Music m){
if(this.c > m.c){
return -1;
}else if(this.c < m.c){
return 1;
}else{
return 0;
}
}
}
class FastScanner {
private BufferedReader reader = null;
private StringTokenizer tokenizer = null;
public FastScanner(InputStream in) {
reader = new BufferedReader(new InputStreamReader(in));
tokenizer = null;
}
public String next() {
if (tokenizer == null || !tokenizer.hasMoreTokens()) {
try {
tokenizer = new StringTokenizer(reader.readLine());
} catch (IOException e) {
throw new RuntimeException(e);
}
}
return tokenizer.nextToken();
}
public String nextLine() {
if (tokenizer == null || !tokenizer.hasMoreTokens()) {
try {
return reader.readLine();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
return tokenizer.nextToken("\n");
}
public long nextLong() {
return Long.parseLong(next());
}
public int nextInt() {
return Integer.parseInt(next());
}
public double nextDouble() {
return Double.parseDouble(next());
}
public String[] nextArray(int n) {
String[] a = new String[n];
for (int i = 0; i < n; i++)
a[i] = next();
return a;
}
public int[] nextIntArray(int n) {
int[] a = new int[n];
for (int i = 0; i < n; i++)
a[i] = nextInt();
return a;
}
public long[] nextLongArray(int n) {
long[] a = new long[n];
for (int i = 0; i < n; i++)
a[i] = nextLong();
return a;
}
}
shojin_pro