hdu 1225 Football Score

貌似就是排序。。。。

#include<stdio.h>
#include<string.h>
#include<algorithm>
using namespace std;
#define N 2000
struct tt
{
    int score,net_goal,total_ball;
    char team[N];
} a[N];
char stra[N],strb[N],c[3],d;
char team[N][200];
bool cmp(tt a,tt b)
{
    if(a.score==b.score)
    {
        if(a.net_goal==b.net_goal)
        {
            if(a.total_ball==b.total_ball)
                return strcmp(a.team,b.team)==-1;
            return a.total_ball>b.total_ball;
        }
        return a.net_goal>b.net_goal;
    }
    return a.score>b.score;
}
int main()
{
    int i,j,t,p,q,k;
    while(~scanf("%d",&t))
    {
        k=0;
       int n=t*(t-1);
        memset(a,0,sizeof(a));
    while(n--)
    {
        int ok=0,index;
        scanf("%s %s %s %d%c%d",stra,c,strb,&p,&d,&q);
        for(i=0;i<k;i++)
            if(strcmp(stra,a[i].team)==0) {ok=1;index=i;break;}
            if(ok) {
                    a[index].net_goal+=p-q;
                    a[index].total_ball+=p;
                if(p>q){
                    a[index].score+=3;
                } else if(p==q) a[index].score+=1;
            } else{
            strcpy(a[i].team,stra);
            a[k].net_goal+=p-q;
            a[k].total_ball+=p;
            if(p>q) a[k].score+=3;
            else if(p==q) a[k].score+=1;
            k++;
            }
            ok=0;
             for(i=0;i<k;i++)
            if(strcmp(strb,a[i].team)==0) {ok=1;index=i;break;}
            if(ok) {
                    a[index].net_goal+=q-p;
                    a[index].total_ball+=q;
                if(p<q){
                    a[index].score+=3;
                } else if(p==q) a[index].score+=1;
            } else{
            strcpy(a[i].team,strb);
            a[k].net_goal+=q-p;
            a[k].total_ball+=q;
            if(p<q) a[k].score+=3;
            else if(p==q) a[k].score+=1;
            k++;
            }
    }
    sort(a,a+t,cmp);
    for(i=0;i<t;i++)
    printf("%s %d
",a[i].team,a[i].score);
    printf("
");

    }
    return 0;
}