新概念C语言教程第六章答案张基温著中国电力出版社出版.doc

6.1结构体类型的定义与实例化探索验证：（测量结构所占有的存储空间）程序编程：#includestruct Dataint year;int month;int day;struct studentchar studName10;struct Data StudBirthday;float height;float width;one;int main()struct student;struct Data;printf(%dt,sizeof(one.height);printf(%dt,sizeof(one.StudBirthday.day);printf(%dn,sizeof(one);return 0;结果捉图：6.2结构体变量及其成员操作代码6.2struct Studentunsigned int num;char name20;char sex;unsigned char age;float score;#includeint main()struct Student student1=50201,WangLi,M,18,89.5;struct Student student2;student2=student1;printf(student1:%u,%s,%c,%u,%5.2fn,student1.num,,student1.sex,student1.age,student1.score);printf(student2:%u,%s,%c,%u,%5.2fn,student2.num,,student2.sex,student2.age,student2.score);return 0;或：struct Studentunsigned int num;char name20;char sex;unsigned char age;float score;student1=50201,WangLi,M,18,89.5,student2=50201,WangLi,M,18,89.5;#includeint main()printf(student1:%u,%s,%c,%u,%5.2fn,student1.num,,student1.sex,student1.age,student1.score);printf(student2:%u,%s,%c,%u,%5.2fn,student2.num,,student2.sex,student2.age,student2.score);return 0;结果捉图：改错题：程序编程：#includestruct Studentchar studName15;char studSex;struct sint year;int month;int day;studBirthday;stud=zhang1,m,1978,5,6;int main(void)printf(%s,%c,%d,%d,%d,stud.studName,stud.studSex,stud.studBirthday.year,stud.studBirthday.month,stud.studBirthday.day);return 0;结果捉图：6.3结构体数组代码6.4程序编程：#include#include#define N 3struct StudTypechar name16;long num;int age;char sex;float score;int main()struct StudType stuN;int i;char ch;char numstr16;/*输入数据*/for(i=0;iN;i+)printf(nenter all data of stu%d:n,i);gets();gets(numstr);stui.num=atol(numstr);gets(numstr);stui.age=atoi(numstr);stui.sex=getchar();ch=getchar();gets(numstr);stui.score=atof(numstr);/*输出数据*/printf(nrecird name t t numtagetsextscoren);for(i=0;iN;i+)printf(%dt%-16s%-8d%dt%-ct%6.2fn,i,,stui.num,stui.age,stui.sex,stui.score);return 0;结果捉图：开发练习：第一题：程序编程：#include#include#define N 1 /表示电话的个数struct StudTypechar name16;long num;char address100;struct sint month;int day;int clock;int min;date;struct s1int clock;int min;time;int main()struct StudType stuN;int i;char numstr16;/*输入数据*/for(i=0;iN;i+)printf(依次输入对方的名称、电话号码、归属地、来电日期和时间（月，日，点，分），通话时间);printf(enter all data of stu%d:n,i);gets();gets(numstr);stui.num=atol(numstr);gets(stui.address);gets(numstr);stui.date.month=atoi(numstr);gets(numstr);stui.date.day=atoi(numstr);gets(numstr);stui.date.clock=atoi(numstr);gets(numstr);stui.date.min=atoi(numstr);gets(numstr);stui.time.clock=atoi(numstr);gets(numstr);stui.time.min=atoi(numstr);/*输出数据*/printf(nrecird namet numt address date.month date.day date.clock date.mint time.clock time.minnn);for(i=0;iN;i+)printf(%d %s %d %s %dtt%dt%dt%dtt%dt%dnn,i,,stui.num,stui.address,stui.date.month,stui.date.day,stui.date.clock,stui.date.min,stui.time.clock,stui.time.min);return 0;结果捉图：第二题：程序编程：#include#include#include#define N 2 /表示个数struct StudTypelong num;char name20;char sex;int age;struct sint grade;score3;int main()struct StudType stuN;int i,j,k;char numstr20;char ch;char chr20;long temp;int a;/*输入数据*/for(i=0;iN;i+)printf(依次输入学生的学号、姓名、性别、年龄、三科成绩n);printf(enter all data of stu%d:n,i);gets(numstr);stui.num=atol(numstr);gets();stui.sex=getchar();ch=getchar();gets(numstr);stui.age=atoi(numstr);gets(numstr);stui.score0.grade=atoi(numstr);gets(numstr);stui.score1.grade=atoi(numstr);gets(numstr);stui.score2.grade=atoi(numstr);/*输出数据*/printf(学生信息检索：n);printf(nrecord numttnamettsextagetgraden);for(i=0;iN;i+)printf(%dt%-16ld%-16s%ct%dt%dt%dt%dn,i,stui.num,,stui.sex,stui.age,stui.score0.grade,stui.score1.grade,stui.score2.grade);printf(从学号(1)、姓名(2)、年龄(3)、某门课程成绩(4、5、6)选择一项排序：);scanf(%d,&a);/*按学号排序*/if(a=1)for(i=0;iN;i+)k=i;for(j=i+1;jstuj.num)k=j;temp=stuk.num;stuk.num=stui.num;stui.num=temp;printf(nrecord numttnamettsextagetgraden);for(i=0;iN;i+)printf(%dt%-16ld%-16s%ct%dt%dt%dt%dn,i,stui.num,,stui.sex,stui.age,stui.score0.grade,stui.score1.grade,stui.score2.grade);/按姓名排序else if(a=2) for(i=0;iN;i+) for(j=i+1;j0) strcpy(chr,); strcpy(,); strcpy(,chr);printf(nrecord numttnamettsextagetgraden);for(i=0;iN;i+)printf(%dt%-16ld%-16s%ct%dt%dt%dt%dn,i,stui.num,,stui.sex,stui.age,stui.score0.grade,stui.score1.grade,stui.score2.grade);/按年龄排序else if(a=3)for(i=0;iN;i+)k=i;for(j=i+1;jstuj.age)k=j;temp=stuk.age;stuk.age=stui.age;stui.age=temp;printf(nrecord numttnamettsextagetgraden);for(i=0;iN;i+)printf(%dt%-16ld%-16s%ct%dt%dt%dt%dn,i,stui.num,,stui.sex,stui.age,stui.score0.grade,stui.score1.grade,stui.score2.grade);/成绩排序else if(a=4)for(i=0;iN;i+)k=i;for(j=i+1;jstuj.score0.grade)k=j;temp=stuk.score0.grade;stuk.score0.grade=stui.score0.grade;stui.score0.grade=temp;printf(nrecord numttnamettsextagetgraden);for(i=0;iN;i+)printf(%dt%-16ld%-16s%ct%dt%dt%dt%dn,i,stui.num,,stui.sex,stui.age,stui.score0.grade,stui.score1.grade,stui.score2.grade);else if(a=5)for(i=0;iN;i+)k=i;for(j=i+1;jstuj.score1.grade)k=j;temp=stuk.score1.grade;stuk.score1.grade=stui.score1.grade;stui.score1.grade=temp;printf(nrecord numttnamettsextagetgraden);for(i=0;iN;i+)printf(%dt%-16ld%-16s%ct%dt%dt%dt%dn,i,stui.num,,stui.sex,stui.age,stui.score0.grade,stui.score1.grade,stui.score2.grade);else if(a=6)for(i=0;iN;i+)k=i;for(j=i+1;jstuj.score2.grade)k=j;temp=stuk.score2.grade;stuk.score2.g