PAT:1075. PAT Judge (25) AC
#include<stdio.h>
#include<string.h>
#include<algorithm>
using namespace std;
struct Student
{
int ID;
int score[6];
int perfect;
int sum;
int rank;
bool tag;
}S[10066];
int p[6]; //1-5存题号1-5小题的分值
int mp[10066];
int cnt = 0;
bool cmp(Student a,Student b)
{
if(a.tag!=b.tag)
return a.tag>b.tag;
else if(a.sum!=b.sum)
return a.sum>b.sum;
else if(a.perfect!=b.perfect)
return a.perfect>b.perfect;
else
return a.ID<b.ID;
}
int main()
{
memset(S,0,sizeof(S));
memset(mp,-1,sizeof(mp));
for(int i=0 ; i<10066 ; ++i)
memset(S[i].score,-1,sizeof(S[i].score)); //将所有分数写为-1,最后判断输出“-”
int n,k,m; //n个人,k道题,提交量m
scanf("%d%d%d",&n,&k,&m);
for(int i=1 ; i<=k ; ++i)
scanf("%d",&p[i]); //存入分值
for(int i=0 ; i<m ; ++i)
{
int name,score,testnum;
scanf("%d %d %d",&name, &testnum, &score);
if(mp[name]==-1)
{
mp[name] = cnt;
cnt++;
}
S[mp[name]].ID=name;
if(score!=-1)
S[mp[name]].tag=1;
if(S[mp[name]].score[testnum]==-1 && score==-1) //编译没有成功过
S[mp[name]].score[testnum]=0;
if(S[mp[name]].score[testnum] < score)
{
if(score==p[testnum]) //此题满分
++S[mp[name]].perfect;
if(S[mp[name]].score[testnum]==-1) //编译错误总分不算
S[mp[name]].score[testnum]=0;
S[mp[name]].sum+=score-S[mp[name]].score[testnum]; //更新总分
S[mp[name]].score[testnum]=score;
}
}
sort(S,S+cnt,cmp);
S[0].rank=1;
for(int i=1 ; i<cnt ; ++i) //生成排名
{
if(S[i].sum==S[i-1].sum) //【skill】分数不同,排名为i+1;分数相同,排名还是前一个,不变
S[i].rank=S[i-1].rank;
else
S[i].rank=i+1;
}
for(int i=0 ; i<cnt && S[i].tag==1; ++i) //输出
{
printf("%d %05d %d",S[i].rank, S[i].ID, S[i].sum);
for(int j=1 ; j<=k ; ++j)
{
if(S[i].score[j]!=-1) //不是-1输出成绩
printf(" %d",S[i].score[j]);
else //是-1,输出“-”
printf(" -");
}
printf("\n");
}
return 0;
}