結果
| 問題 | 
                            No.496 ワープクリスタル (給料日前編)
                             | 
                    
| コンテスト | |
| ユーザー | 
                             hiromi_ayase
                         | 
                    
| 提出日時 | 2017-03-24 23:00:47 | 
| 言語 | Java  (openjdk 23)  | 
                    
| 結果 | 
                             
                                AC
                                 
                             
                            
                         | 
                    
| 実行時間 | 85 ms / 2,000 ms | 
| コード長 | 3,622 bytes | 
| コンパイル時間 | 1,828 ms | 
| コンパイル使用メモリ | 77,512 KB | 
| 実行使用メモリ | 41,360 KB | 
| 最終ジャッジ日時 | 2024-07-05 23:05:55 | 
| 合計ジャッジ時間 | 4,042 ms | 
| 
                            ジャッジサーバーID (参考情報)  | 
                        judge5 / judge1 | 
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| ファイルパターン | 結果 | 
|---|---|
| sample | AC * 4 | 
| other | AC * 23 | 
ソースコード
import java.io.IOException;
import java.io.InputStream;
import java.util.NoSuchElementException;
public class Main {
  public static void main(String[] args) {
    FastScanner sc = new FastScanner();
    int gx = sc.nextInt();
    int gy = sc.nextInt();
    int N = sc.nextInt();
    int F = sc.nextInt();
    
    int[][] w = new int[N][3];
    for (int i = 0; i < N; i ++) {
      int x = sc.nextInt();
      int y = sc.nextInt();
      int c = sc.nextInt();
      if ((x + y) * F > c) {
        w[i][0] = x;
        w[i][1] = y;
        w[i][2] = c;
      }
    }
    
    int[][][] dp = new int[N + 1][gx + 1][gy + 1];
    for (int i = 0; i <= N; i ++) {
      for (int x = 0; x <= gx; x ++) {
        for (int y = 0; y <= gy; y ++) {
          if (i == 0) {
            dp[i][x][y] = (x + y) * F;
          } else {
            if (x >= w[i - 1][0] && y >= w[i - 1][1]) {
              dp[i][x][y] = Math.min(dp[i - 1][x][y], dp[i - 1][x - w[i - 1][0]][y - w[i - 1][1]] + w[i - 1][2]); 
            } else {
              dp[i][x][y] = dp[i - 1][x][y];
            }
          }
        }
      }
    }
    
    System.out.println(dp[N][gx][gy]);
    
  }
}
class FastScanner {
	public static String debug = null;
	private final InputStream in = System.in;
	private int ptr = 0;
	private int buflen = 0;
	private byte[] buffer = new byte[1024];
	private boolean eos = false;
	private boolean hasNextByte() {
		if (ptr < buflen) {
			return true;
		} else {
			ptr = 0;
			try {
				if (debug != null) {
					buflen = debug.length();
					buffer = debug.getBytes();
					debug = "";
					eos = true;
				} else {
					buflen = in.read(buffer);
				}
			} catch (IOException e) {
				e.printStackTrace();
			}
			if (buflen < 0) {
				eos = true;
				return false;
			} else if (buflen == 0) {
				return false;
			}
		}
		return true;
	}
	private int readByte() {
		if (hasNextByte())
			return buffer[ptr++];
		else
			return -1;
	}
	private static boolean isPrintableChar(int c) {
		return 33 <= c && c <= 126;
	}
	private void skipUnprintable() {
		while (hasNextByte() && !isPrintableChar(buffer[ptr]))
			ptr++;
	}
	public boolean isEOS() {
		return this.eos;
	}
	public boolean hasNext() {
		skipUnprintable();
		return hasNextByte();
	}
	public String next() {
		if (!hasNext())
			throw new NoSuchElementException();
		StringBuilder sb = new StringBuilder();
		int b = readByte();
		while (isPrintableChar(b)) {
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	}
	public long nextLong() {
		if (!hasNext())
			throw new NoSuchElementException();
		long n = 0;
		boolean minus = false;
		int b = readByte();
		if (b == '-') {
			minus = true;
			b = readByte();
		}
		if (b < '0' || '9' < b) {
			throw new NumberFormatException();
		}
		while (true) {
			if ('0' <= b && b <= '9') {
				n *= 10;
				n += b - '0';
			} else if (b == -1 || !isPrintableChar(b)) {
				return minus ? -n : n;
			} else {
				throw new NumberFormatException();
			}
			b = readByte();
		}
	}
	public int nextInt() {
		return (int) nextLong();
	}
	public long[] nextLongList(int n) {
		return nextLongTable(1, n)[0];
	}
	public int[] nextIntList(int n) {
		return nextIntTable(1, n)[0];
	}
	public long[][] nextLongTable(int n, int m) {
		long[][] ret = new long[n][m];
		for (int i = 0; i < n; i ++) {
			for (int j = 0; j < m; j ++) {
				ret[i][j] = nextLong();
			}
		}
		return ret;
	}
	public int[][] nextIntTable(int n, int m) {
		int[][] ret = new int[n][m];
		for (int i = 0; i < n; i ++) {
			for (int j = 0; j < m; j ++) {
				ret[i][j] = nextInt();
			}
		}
		return ret;
	}
}
            
            
            
        
            
hiromi_ayase