草稿

#include <iostream>
#include <cstdio>
#include <algorithm>

using namespace std;

typedef struct
{
    char name[20];
    double score[4];
}Stu;

int cmp(Stu a,Stu b)
{
    return a.score[3]>b.score[3];
}
int main()
{
    Stu students[50];
    for(int i=0;i<50;i++)
    {
        scanf("%s%lf%lf%lf",students[i].name,&students[i].score[0],&students[i].score[1],&students[i].score[2]);
        students[i].score[3]=students[i].score[0]+students[i].score[1]+students[i].score[2];
    }
    sort(students,students+50,cmp);

    for(int i=0;i<50;i++)
    {
        printf("%s %lf %lf %lf %lf\n",students[i].name,students[i].score[0],students[i].score[1],students[i].score[2],students[i].score[3]);
    }
    return 0;
}