http://poj.org/problem?id=1260 /* @author: */ import java.util.Scanner; import java.util.Arrays; public class Main{ static final int maxn=100; private int a[]=new int[maxn],p[]=new int[maxn],f[]=new int[maxn]; private int min(int a,int b){ return a< b?a:b; } public int dp(int x){ if(x< 0)return 0; if(f[x]!=-1)return f[x]; if(x==0)return f[x]=(a[0]+10)*p[0]; int c=(10+a[x])*p[x],res=c+dp(x-1); for(int i=x-1;i>=0;i--){ c+=p[x]*a[i]; res=min(c+dp(i-1),res); } return f[x]=res; } public static void main(String args[]){ Scanner sc=new Scanner(System.in); int times=sc.nextInt(); while((times--)!=0){ int n=sc.nextInt(); Main m=new Main(); for(int i=0;i< n;i++){ m.a[i]=sc.nextInt(); m.p[i]=sc.nextInt(); } Arrays.fill(m.f,-1); System.out.printf("%dn",m.dp(n-1)); } } }
Meta
-
Recent Posts
Recent Comments
- MorrissMar on 隆宪叁年-五一
- MorrissMar on 隆宪叁年-五一
- bngvlttwnj on 隆宪叁年-五一
- bngvlttwnj on 隆宪叁年-五一
- 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