uva 10881 蚂蚁

const int INF =0x3f3f3f3f;
const int maxn= 10000+20   ;
//const int maxm=    ;
//by yskysker123
int L,T,n;
struct  kk
{
    int x;
    int d;
    int inde;
} a[maxn];
int p[maxn];
bool cmpx(kk a,kk b)
{
    return a.x<b.x;
}
int inde[maxn];

void check(int t)
{
    int x=  a[t].x;
    if( x<0||x>L )  a[t].d=0;  //当初写成了 x<0||x>10  ;
}
int main()
{
   int T_T,kase=0;
   scanf("%d",&T_T);   //因为变量名T起重了，当初还wa了一次，唉
   while(T_T--)
   {
       scanf("%d%d%d",&L,&T,&n);
       char c;
       for(int i=1;i<=n;i++)
       {
           scanf("%d %c",&a[i].x,&c);
           a[i].inde=i;
           if(c=='L')
            a[i].d=-1;
          else a[i].d=1;
       }
       sort(a+1,a+1+n,cmpx);
       for(int i=1;i<=n;i++)
       {
           inde[i]=a[i].inde;
            a[i].x+= (a[i].d* T);
       }

       sort(a+1,a+1+n,cmpx);
       for(int i=1;i<=n;i++)
       {
           check(i);

           p[inde[i] ]=i;
           if(i>1&&a[i].x==a[i-1].x)
           {
               a[i].d=a[i-1].d=2;
           }

       }
       printf("Case #%d:\n",++kase);
        for(int i=1;i<=n;i++)
        {
            int x=p[i];
            if(a[x].d==0)  {puts("Fell off");continue;}
            printf("%d ",a[x].x);
            if(a[x].d==2)  puts("Turning");
            else  puts(a[x].d==-1?"L":"R");

        }
        puts("");
   }

    return 0;
}

#include<cstdio>
#include<string>
#include<cstring>
#include<iostream>
#include<cmath>
#include<algorithm>
#include<climits>
#include<queue>
#include<vector>
#include<map>
#include<sstream>
#include<set>
#include<stack>
#include<utility>
#pragma comment(linker, "/STACK:102400000,102400000")
#define PI 3.1415926535897932384626
#define eps 1e-10
#define sqr(x) ((x)*(x))
#define FOR0(i,n)  for(int i=0 ;i<(n) ;i++)
#define FOR1(i,n)  for(int i=1 ;i<=(n) ;i++)
#define FORD(i,n)  for(int i=(n) ;i>=0 ;i--)
#define  lson   num<<1,le,mid
#define rson    num<<1|1,mid+1,ri
#define MID   int mid=(le+ri)>>1
#define zero(x)((x>0? x:-x)<1e-15)
#define mk    make_pair
#define _f     first
#define _s     second

using namespace std;
//const int INF=    ;
typedef long long ll;
//const ll inf =1000000000000000;//1e15;
//ifstream fin("input.txt");
//ofstream fout("output.txt");
//fin.close();
//fout.close();
//freopen("a.in","r",stdin);
//freopen("a.out","w",stdout);