http://poj.org/problem?id=2751 /* @author: */ import java.util.Scanner; public class Main { static int a[][]=new int[10001][2]; static int b[][]=new int[10001][2]; static int an,bn; static void sort(){ int i,j,t1,t2; for(i=0;i< an;i++) for(j=0;j< an;j++) { if(a[i][0]< a[j][0]) { t1=a[i][0];t2=a[i][1]; a[i][0]=a[j][0];a[i][1]=a[j][1]; a[j][0]=t1;a[j][1]=t2; } } for(i=0;i< bn;i++) for(j=0;j< bn;j++) { if(b[i][1]>b[j][1]) { t1=b[i][0];t2=b[i][1]; b[i][0]=b[j][0];b[i][1]=b[j][1]; b[j][0]=t1;b[j][1]=t2; } } } public static void main(String[] args) { Scanner sc = new Scanner(System.in); int i,j,cn,t1,t2,l1,l2,sum1,sum2; while(sc.hasNext()){ cn=sc.nextInt(); if(cn==0) break; an=0;bn=0; for(i=0;i< cn;i++) { t1=sc.nextInt(); t2=sc.nextInt(); if(t1<=t2) { a[an][0]=t1;a[an][1]=t2; an++; } else { b[bn][0]=t1;b[bn][1]=t2; bn++; } } sort(); for(i=0;i< bn;i++) { a[an][0]=b[i][0];a[an][1]=b[i][1]; an++; } l1=l2=0;sum1=sum2=0; for(i=0;i< an;i++) { sum1+=a[i][0]; if(sum1>sum2)sum2=sum1; sum2+=a[i][1]; } System.out.printf("%dn",sum2); } } }
Meta
-
Recent Posts
Recent Comments
- MorrissMar on 隆宪叁年-五一
- tEVFSJtRNq on A man in his twenties (in hex)
- MorrissMar on 隆宪叁年-五一
- ZEzPRbkFJG on A man in his twenties (in hex)
- MorrissMar on 隆宪叁年-五一
Archives
- May 2024
- April 2023
- February 2023
- January 2023
- December 2022
- November 2022
- September 2022
- June 2022
- July 2021
- January 2021
- February 2020
- September 2019
- March 2018
- February 2018
- August 2016
- July 2016
- June 2016
- May 2016
- April 2016
- March 2016
- February 2016
- January 2016
- December 2015
- November 2015
- October 2015
- September 2015
- August 2015
- July 2015
- June 2015
- May 2015
- April 2015
- March 2015
- February 2015
- January 2015
- December 2014
- November 2014
- October 2014
- September 2014
- August 2014
- July 2014
- June 2014
- May 2014
- April 2014
- March 2014
- February 2014
- January 2014
- December 2013
- November 2013
- October 2013
- September 2013
- August 2013
- July 2013
- June 2013
- May 2013
- April 2013
- March 2013
- February 2013
- January 2013
- December 2012
- November 2012
- October 2012
- September 2012
- August 2012
- July 2012
- June 2012
- May 2012
- April 2012
- March 2012
- February 2012
- January 2012
- December 2011
- November 2011
- October 2011
- September 2011
- August 2011
- July 2011
- June 2011
- May 2011
- April 2011
- March 2011
- February 2011
- January 2011
- December 2010
- November 2010
- October 2010
- September 2010
- August 2010
- July 2010
- June 2010
- May 2010
- April 2010
- March 2010
- February 2010
- January 2010
- December 2009
- November 2009
- October 2009
- September 2009
- August 2009
- July 2009
- June 2009
- May 2009
- April 2009
- March 2009
- February 2009
Categories