PAT甲1137 Final Grading(25 分)

#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
using namespace std;

struct student
{
    char id[30];
    int Gm;
    int Gf;
    int G;
    int point;
    student()
    {
        Gm=-1;
        Gf=-1;
        G=-1;
        point=-1;
    }
}stu[100010];

map<string,int> mp1;
map<int,string> mp2;
int N,M,K;

bool cmp(student a,student b)
{
    if(a.G!=b.G)return a.G>b.G;
    else return strcmp(a.id,b.id)<0;
}

int main()
{
    int num=0;
    scanf("%d%d%d",&N,&M,&K);
    char id[30];
    int score;
    for(int i=0;iscanf("%s %d",&id,&score);
        if(mp1.find(id)==mp1.end())
        {
            mp1[id]=num;
            mp2[num]=id;
            strcpy(stu[num].id,id);
            num++;
        }
        int index=mp1[id];
        stu[index].point=score;
    }
    for(int i=0;iscanf("%s %d",&id,&score);
        if(mp1.find(id)==mp1.end())
        {
            mp1[id]=num;
            mp2[num]=id;
            strcpy(stu[num].id,id);
            num++;
        }
        int index=mp1[id];
        stu[index].Gm=score;
    }
    for(int i=0;iscanf("%s %d",&id,&score);
        if(mp1.find(id)==mp1.end())
        {
            mp1[id]=num;
            mp2[num]=id;
            strcpy(stu[num].id,id);
            num++;
        }
        int index=mp1[id];
        stu[index].Gf=score;
        if(stu[index].Gm>stu[index].Gf)
        {
            stu[index].G=0.4*stu[index].Gm+0.6*stu[index].Gf+0.5;
        }
        else
        {
            stu[index].G=stu[index].Gf;
        }
    }
    sort(stu,stu+num,cmp);
    for(int i=0;iif(stu[i].G>=60&&stu[i].point>=200)
        {
            printf("%s %d %d %d %d\n",stu[i].id,stu[i].point,stu[i].Gm,stu[i].Gf,stu[i].G);
        }
    }
    return 0;
}

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