Result: Accepted
Time: 12ms
Memory: 1092kB
#include<stdio.h>
#include<stdlib.h>
#define ARRAYSIZE 100
struct student{
char name[31];
int x,y,sum;
};
int comp(const void *p,const void *q){
return ((struct student *)q)->sum-((struct student *)p)->sum;
}
int main(){
struct student studentArray[ARRAYSIZE];
int i,N,T,t,j;
scanf("%d",&T);
while(T--){
scanf("%d",&N);
for(i=0;i<N;i++){
scanf("%s%d%d",studentArray[i].name,&studentArray[i].x,&studentArray[i].y);
studentArray[i].sum=(studentArray[i].x+studentArray[i].y);}
qsort(studentArray,N,sizeof(struct student),comp);
for(i=0;i<N;i++){
printf("%s\n",studentArray[i].name);}
}
}