北京大学数算Bq3代码

北京大学数算B代码 原创

#include<stdio.h>

#include<stdlib.h>

#include<string.h>

struct student /*结构体声明*/

{ int rank;

int num;

char name[8];

int score;

};

typedef struct student* pstudent;

void transform(pstudent s1,pstudent s2,pstudent s3)

int main()

{

struct student stu2[13]={ //结构体赋值

{1,18004,"沈辰",100},

{2,18013,"白婷婷",95},

{3,18009,"张磊",90},

{4,18023,"汤超",89},

{5,18024,"钱梦",88},

{6,18014,"薛颖",85},

{7,18015,"张晓鸥",82},

{8,18021,"唐凯",78},

{9,18025,"林嘉",76},

{10,18016,"陈淼",73},

{11,18022,"赵宇",70},

{12,18018,"林森",67},

{13,18017,"许泽",66}

};

struct student stu1[12]={

{1,18001,"李梦竹",99},

{2,18003,"王怡文",96},

{3,18007,"赵菁",91},

{4,18002,"何皎皎",86},

{5,18010,"易超",83},

{6,18020,"张旭",80},

{7,18019,"李昊",79},

{8,18011,"徐达",75},

{9,18012,"方芳",73},

{10,18008,"张薇",71}, ; /*排序函数*/

北京大学数算B代码 原创

{11,18006,"金鑫",69},

{12,18005,"胡斌",65}

};

struct student stu3[25]={};

pstudent pstudent1=stu1; //结构体指针赋值

pstudent pstudent2=stu2;

pstudent pstudent3=stu3;

pstudent1=(pstudent)malloc(sizeof(student)); //分配内存

pstudent2=(pstudent)malloc(sizeof(student));

pstudent3=(pstudent)malloc(sizeof(student));

transform(stu1,stu2,stu3); //执行变换函数

free(pstudent1);free(pstudent2); //变换完毕，释放前两个结构体内存

printf("名次 学号 姓名 成绩\n"); //打印表头

printf("------------------------\n");

for(pstudent3=stu3;pstudent3<stu3+25;pstudent3++) //打印数据

{

printf("%2d %d %6s %d\n",pstudent3->rank,pstudent3->num,pstudent3->name,pstudent3->score);

}

free(pstudent3); //打印完毕，释放结构体三的内存

system("pause");

return 0;

}

void transform(pstudent s1,pstudent s2,pstudent s3) /*排序函数*/

{

int flag1=0,flag2=0,flag3=0; //用于判断当前比较到哪一位

while(flag1!=12&&flag2!=13)

{

if(s1->score>s2->score) //若表一当前得分大于表二，将表一的结构体复制到表三 {

strcpy(s3->name,s1->name);

s3->num=s1->num;

s3->score=s1->score;

北京大学数算B代码 原创

s3->rank=flag3+1;

s3++;s1++;

flag1++;flag3++;

}

else if(s1->score<s2->score) //若表一当前得分小于表二，将表二的结构体复制到表三

{

strcpy(s3->name,s2->name);

s3->num=s2->num;

s3->score=s2->score;

s3->rank=flag3+1;

s3++;s2++;

flag2++;flag3++;

}

else if(s1->score==s2->score) //表一表二当前得分相同，则将它们都复制到表三，且排名rank为并列

{

strcpy(s3->name,s1->name);

s3->num=s1->num;

s3->score=s1->score;

s3->rank=flag3+1;

s3++;s1++;

flag1++;flag3++;

strcpy(s3->name,s2->name);

s3->num=s2->num;

s3->score=s2->score;

s3->rank=flag3;

s3++;s2++;

flag2++;flag3++;

}

}

while(flag1!=12) //表二遍历完毕 ，将表一剩余数据复制到表三 {

strcpy(s3->name,s1->name);

s3->num=s1->num;

s3->score=s1->score;

s3->rank=flag3+1;

s3++;s1++;

flag1++;flag3++;

}

while(flag2!=13) //表一遍历完毕 ，将表一剩余数据复制到表三

{

strcpy(s3->name,s2->name);

s3->num=s2->num;

北京大学数算B代码 原创

s3->score=s2->score; s3->rank=flag3+1; s3++;s2++;

flag2++;flag3++; }

}