7.1.c

自己写的数据结构课程程序

#include<stdio.h>
#include<string.h>
#define MAXSIZE 20
struct student
{char name[20];
 int score;
};
struct SqList
{struct student r[MAXSIZE+1];
 int length;
};
struct SqList L;
void InitSqList()
{int i;
 printf("input the number of data:\n");
 scanf("%d",&L.length);
 printf("input the data:\n");
 for(i=1;i<=L.length;i++)
   {scanf("%s",L.r[i].name);
    scanf("%d",&L.r[i].score);
   }
}
void ShellInsert(int dk)
{int i,j;
 for(i=dk+1;i<=L.length;i++)
   if(L.r[i].score>L.r[i-dk].score)
     {L.r[0].score=L.r[i].score;
      strcpy(L.r[0].name,L.r[i].name);
      for(j=i-dk;j>0&&L.r[0].score>L.r[j].score;j-=dk)
        {L.r[j+dk].score=L.r[j].score;
         strcpy(L.r[j+dk].name,L.r[j].name);
        }
      L.r[j+dk].score=L.r[0].score;
      strcpy(L.r[j+dk].name,L.r[0].name);
     }
}
void ShellSort(int dlta[5],int t)
{int k;
 for(k=0;k<t;k++)
   ShellInsert(dlta[k]);
}
void PrintSqList()
{int n=1,i;
 printf("\n");
 for(i=1;i<=L.length;i++)
   {printf("%d %s %d\n",n,L.r[i].name,L.r[i].score);
    if(L.r[i].score>L.r[i+1].score)
      n++;
   }
}
void main(void)
{int dlta[5]={9,5,3,2,1};
 InitSqList();
 ShellSort(dlta,5);
 PrintSqList();
 getchar();
 getchar();
}