| ||||||||||
| Online Judge | Problem Set | Authors | Online Contests | User | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Web Board Home Page F.A.Qs Statistical Charts | Current Contest Past Contests Scheduled Contests Award Contest | |||||||||
Re:Always got RE... :( Can sb tell me if it is because of the input format?In Reply To:Re:Always got RE... :( Can sb tell me if it is because of the input format? Posted by:gongml at 2005-10-11 09:38:58 >
> import java.io.*;
> import java.util.*;
>
> class JuryCompromise {
> static class Person {
> int prosecution, defence, sum, diff;
>
> Person(String line) {
> String[] tokens = line.trim().split(" ");
> prosecution = Integer.parseInt(tokens[0]);
> defence = Integer.parseInt(tokens[1]);
> sum = prosecution + defence;
> diff = prosecution - defence;
> }
> }
>
> static final int MAX_GRADE=20;
> static int total, select, grade_sum, grade_diff;
> static Person[] people;
> static String jury_found;
>
> static void findBestJury() {
> int[][] sum = new int[select][];
> String[][] list = new String[select][];
> sum[0] = new int[2*MAX_GRADE+1];
> list[0] = new String[2*MAX_GRADE+1];
> for ( int p=0; p<total; p++ ) {
> int pos = people[p].diff + MAX_GRADE;
> if ( list[0][pos]==null || sum[0][pos]<people[p].sum ) {
> sum[0][pos] = people[p].sum;
> list[0][pos] = " " + p + " ";
> }
> }
> for ( int s=1; s<select; s++ ) {
> sum[s] = new int[2*MAX_GRADE*(s+1)+1];
> list[s] = new String[2*MAX_GRADE*(s+1)+1];
> for ( int i=0; i<=2*MAX_GRADE*s; i++ ) {
> if ( list[s-1][i] == null )
> continue;
> int pre_diff = i - MAX_GRADE * s;
> for ( int p=0; p<total; p++ ) {
> if ( list[s-1][i].indexOf(" "+p+" ") >= 0 )
> continue;
> int pos = pre_diff + people[p].diff + MAX_GRADE * (s+1);
> if ( list[s][pos]==null
> || sum[s][pos]<people[p].sum+sum[s-1][i] ) {
> sum[s][pos] = people[p].sum + sum[s-1][i];
> list[s][pos] = list[s-1][i] + p + " ";
> }
> }
> }
> }
> for ( int i=0; i<=MAX_GRADE*select; i++ ) {
> int left = -1, right = -1;
> if ( list[select-1][MAX_GRADE*select-i] != null )
> left = sum[select-1][MAX_GRADE*select-i];
> if ( list[select-1][MAX_GRADE*select+i] != null )
> right = sum[select-1][MAX_GRADE*select+i];
> if ( left==-1 && right==-1 )
> continue;
> if ( left > right ) {
> jury_found = list[select-1][MAX_GRADE*select-i];
> grade_sum = sum[select-1][MAX_GRADE*select-i];
> grade_diff = - i;
> }
> else {
> jury_found = list[select-1][MAX_GRADE*select+i];
> grade_sum = sum[select-1][MAX_GRADE*select+i];
> grade_diff = i;
> }
> break;
> }
> }
>
> public static void main(String[] arg) throws IOException {
> BufferedReader input = new BufferedReader(new InputStreamReader(System.in));
> for ( int id=1; ; id++ ) {
> String line = input.readLine().trim();
> while ( line.length() == 0 )
> line = input.readLine().trim();
> String[] tokens = line.split(" ");
> total = Integer.parseInt(tokens[0]);
> select = Integer.parseInt(tokens[1]);
> if ( total == 0 )
> break;
> people = new Person[total];
> for ( int i=0; i<total; i++ )
> people[i] = new Person(input.readLine());
> findBestJury();
> System.out.println("Jury #"+id);
> System.out.println("Best jury has value "
> + (grade_sum+grade_diff)/2 + " for prosecution and value "
> + (grade_sum-grade_diff)/2 + " for defence:");
> tokens = jury_found.split(" ");
> int[] value = new int[tokens.length-1];
> for ( int i=0; i<value.length; i++ )
> value[i] = Integer.parseInt(tokens[i+1]) + 1;
> Arrays.sort(value);
> for ( int i=0; i<value.length; i++ )
> System.out.print(" "+value[i]);
> System.out.println();
> System.out.println();
> }
> }
> }
Followed by: Post your reply here: |
All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator