Moving Tables
|code--------------------------------------------------------------------------------------------------+
|001| /***************************************************************\
|002| *Author: 小呼
|003| *Created Time: Fri 09 Jul 2010 03:00:33 PM CST
|004| *File Name: b.cpp
|005| *Description:
|006| \***************************************************************/
|007| //*========================*Head File*========================*\\
|008|
|009| #include<iostream>
|010| #include<stdio.h>
|011| #include<stdlib.h>
|012| #include<string.h>
|013| /*----------------------*Global Variable*----------------------*/
|014|
|015| int T,N,s,t,times[200];
|016| //*=======================*Main Program*=======================*//
|017| using namespace std;
|018|
|019| int main(){
|020| . scanf("%d",&T);
|021| . while(T--){
|022| . . scanf("%d",&N);
|023| . . memset(times,0,sizeof(times));
|024| . . while(N--){
|025| . . . scanf("%d%d",&s,&t);
|026| . . . s=(s-1)/2;
|027| . . . t=(t-1)/2;
|028| . . . if(s>t). . //当s>t时交换s,t的值
|029| . . . s^=t^=s^=t;
|030| . . . for(int i=s;i<=t;++i)
|031| . . . times[i]++;
|032| . . }
|033| . . int res=-1;
|034| . . for(int i=0;i<200;++i)
|035| . . res=res<times[i]?times[i]:res;
|036| . . printf("%d\n",res*10);
|037| . }
|038| }
end+--------------------------------------------------------------------------------------------------+