Submission #330109

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
330109	2020-11-24 01:22:41	Agnimandur	Jelly Flavours (IOI20_jelly)	Java	100 / 100	526 ms	241500 KiB

jelly

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import java.util.*;
class jelly {
  int find_maximum_unique(int x, int y, int[] a, int[] b) {
    int N = a.length;
    int[][] vals = new int[N][2];
    for (int i = 0; i < N; i++)
      vals[i] = new int[] {a[i],b[i]};
    sort(vals);
    
    long[][] dpX = new long[N+1][x+1];
    for (int i = 0; i < N; i++) {
      for (int j = 0; j <= x; j++) {
        //buy in shop2
        dpX[i+1][j] = dpX[i][j]+vals[i][1];
        
        //buy in shop1
        if (j >= vals[i][0])
          dpX[i+1][j] = Math.min(dpX[i+1][j],dpX[i][j-vals[i][0]]);
      }
    }
    
    
    int[][] dpY = new int[N+1][y+1];
    for (int i = N-1; i >= 0; i--) {
      for (int j = 0; j <= y; j++) {
        //dont take this jelly
        dpY[i][j] = dpY[i+1][j];
        
        //take this jelly
        if (j >= vals[i][1])
 
 
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• Subtask 1: 11 / 11
• Subtask 2: 24 / 24
• Subtask 3: 9 / 9
• Subtask 4: 10 / 10
• Subtask 5: 14 / 14
• Subtask 6: 32 / 32