#include<stdio.h>

#include<string.h>

typedef struct hs

{

char ten[50];

int dToan;

int dLy;

int dHoa;

}hocsinh;

void nhapmang(hocsinh a[],int n);

void inmang(hocsinh a[],int n);

int timmaxdtb(hocsinh a[],int n);

void sapxep(hocsinh a[],int n);

int main()

{

hocsinh a[100];

int n;

printf("nhap n=");

scanf("%d",&n);

nhapmang(a,n);

printf("mang vua nhap:

");

inmang(a,n);

printf("hoc sinh co diem trung binh lon nhat:%s

",a[timmaxdtb(a,n)].ten);

sapxep(a,n);

printf("mang sau khi sap xep:

");

inmang(a,n);

system("pause");

return 0;

}

void nhapmang(hocsinh a[],int n)

{

int i;

for(i=0;i<n;++i)

{

printf("nhap hoc sinh thu:%d

",i+1);

printf("nhap ten:");

scanf("%s",&a[i].ten);

printf("nhap diem toan:");

scanf("%d",&a[i].dToan);

printf("nhap diem ly:");

scanf("%d",&a[i].dLy);

printf("nhap diem hoa:");

scanf("%d",&a[i].dHoa);

}

}

void inmang(hocsinh a[],int n)

{

int i;

for(i=0;i<n;++i)

{

printf("Ten:%s

",a[i].ten);

printf("Diem Toan:%d

",a[i].dToan);

printf("Diem Ly:%d

",a[i].dLy);

printf("Diem Hoa:%d

",a[i].dHoa);

}

}

int timmaxdtb(hocsinh a[],int n)

{

int i;

int kq=0;

for(i=0;i<n;++i)

if((a[i].dToan+a[i].dLy+a[i].dHoa)>(a[kq].dToan+a[kq].dLy+a[kq].dHoa))

kq=i;

return kq;

}

void sapxep(hocsinh a[],int n)

{

int i,j;

hocsinh tam;

for(i=0;i<n;++i)

for(j=i+1;j<n;++j)

if((a[i].dToan+a[i].dLy+a[i].dHoa)<(a[j].dToan+a[j].dLy+a[j].dHoa))

{

tam=a[i];

a[i]=a[j];

a[j]=tam;

}

}