满意答案

dgfetc583

2013.12.10

采纳率：47%    等级：12

已帮助：14710人

class student

{

public:

char m_strName[10]; // 姓名

int m_nNum; // 学号

float m_dScore[4]; // 成绩

};

void InputScore(student* p, int nNumber)

{

if(nNumber > 10)

{

printf("学生已超过10名！\n");

return;

}

printf("请输入学生学号:");

scanf("%d",&(p[nNumber].m_nNum));

printf("请输入学生姓名:");

scanf("%s",&(p[nNumber].m_strName));

printf("请输入数学成绩:");

scanf("%f",p[nNumber].m_dScore);

printf("请输入语文成绩:");

scanf("%f",p[nNumber].m_dScore+1);

printf("请输入英语成绩:");

scanf("%f",p[nNumber].m_dScore+2);

printf("请输入计算机成绩:");

scanf("%f",p[nNumber].m_dScore+3);

}

void OutputScore(student* p, int nNumber)

{

for(int i=0; i

{

printf("\n学号：%d\n",p[i].m_nNum);

printf("姓名：%s\n",p[i].m_strName);

printf("数学成绩：%.2f\n",p[i].m_dScore[0]);

printf("语文成绩：%.2f\n",p[i].m_dScore[1]);

printf("英语成绩：%.2f\n",p[i].m_dScore[2]);

printf("计算机成绩：%.2f\n",p[i].m_dScore[3]);

}

}

void MondifyScore(student *p, int nNumber)

{

int nChoice;

printf("请输入要修改的学生的学号:\n");

scanf("%d",&nChoice);

int i;

for(i=0; i

if(p[i].m_nNum == nChoice) break;

if(i == nNumber)

{

printf("未找到该学号学生\n");

return;

}

printf("请修改学生学号:");

scanf("%d",&(p[i].m_nNum));

printf("请修改学生姓名:");

scanf("%s",&(p[i].m_strName));

printf("请修改数学成绩:");

scanf("%f",p[i].m_dScore);

printf("请修改语文成绩:");

scanf("%f",p[i].m_dScore+1);

printf("请修改英语成绩:");

scanf("%f",p[i].m_dScore+2);

printf("请修改计算机成绩:");

scanf("%f",p[i].m_dScore+3);

}

void main()

{

student ar[10];

int nChoice;

int nStudentNumber = 0; // 现有的学生数量

do

{

printf("\n***************欢迎使用班级管理系统，请输入选项:****************\n");

printf("1.成绩录入\n");

printf("2.成绩显示\n");

printf("3.成绩保存\n");

printf("4.成绩修改\n");

printf("5.退出系统\n");

scanf("%d",&nChoice);

switch(nChoice)

{

case 1:InputScore(ar, nStudentNumber);

nStudentNumber++;

break;

case 2:OutputScore(ar, nStudentNumber);

break;

case 3:

break;

case 4:MondifyScore(ar, nStudentNumber);

break;

}

}while(nChoice != 5);

}

差不多了，成绩保存的没有做，不清楚你怎么保存。剩下一点自己改改吧

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