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  1. /* paiza POH! Lite
  2.  * result:
  3.  * http://p...content-available-to-author-only...a.jp/poh/kirishima/result/327fdfad3b495e0501dd024b36334c29
  4.  * author: Leonardone @ NEETSDKASU
  5.  */
  6. import java.io.*;
  7. import java.lang.*;
  8. import java.util.*;
  9.  
  10. class Main
  11. {
  12. 	static int parseInt(String str) {
  13. 		int len = str.length();
  14. 		int n = 0;
  15. 		for (int i = 0; i < len; i++) {
  16. 			n = n * 10 + (int)(str.charAt(i) - '0');
  17. 		}
  18. 		return n;
  19. 	}
  20.  
  21. 	static int[][] a = new int[51][500001];
  22. 	static int[] q = new int[51];
  23. 	static int[] r = new int[51];
  24.  
  25. 	public static void main (String[] args) throws java.lang.Exception
  26. 	{
  27.  
  28. 		int m;
  29. 		int n;
  30.  
  31. 		int w = 0, p = 0;
  32.  
  33. 		int i, j, x, y;
  34. 		int[] t0, t1;
  35.  
  36. 		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
  37. 		m = parseInt(in.readLine());
  38. 		n = parseInt(in.readLine());
  39.  
  40. 		for (i = 0; i < n; i++) {
  41. 			String[] str = in.readLine().split(" ");
  42. 			q[i] = parseInt(str[0]);
  43. 			r[i] = parseInt(str[1]);
  44. 			w += q[i];
  45. 			p += r[i];
  46. 		}
  47. 		w -= m;
  48.  
  49. 		for (i = 0; i < n; i++) {
  50. 			t0 = a[i];
  51. 			t1 = a[i + 1];
  52. 			for (j = 0; j <= w; j++) {
  53. 				if (q[i] <= j) {
  54. 					x = t0[j];
  55. 					y = t0[j - q[i]] + r[i];
  56. 					t1[j] = (x > y) ? x : y;
  57. 				} else {
  58. 					t1[j] = t0[j];
  59. 				}
  60. 			}
  61. 		}
  62.  
  63. 		System.out.println(p - a[n][w]);
  64.  
  65. 	}
  66. }
Success #stdin #stdout 0.24s 380160KB
comments (?)
stdin 
250
5
35 3640
33 2706
98 9810
57 5472
95 7790
stdout 
23072
https://ideone.com/V4bEli
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
secret

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