Question

帮忙用C编个程序，急，采用加50财富值

Answer 1

///////main.c///////
#include <stdio.h>

#include "StudentManage.h"

int main(int argc, const char * argv[])

{

setPercent(0.2,0.2,0.6);

getStudent();

getStudent();

getStudent();

calculateScore();

printDataAnalzy();

SortByScore();

findStudentByID();

dealloc();

return 0;

}

////StudentManage.h///////
#ifndef StudentManager_StudentManage_h

#define StudentManager_StudentManage_h

typedef struct

{

int ID;

char name[20];

int cmpScore;

int customScore;

int writeScore;

float finalScore;

} Student;

void setPercent(float cmpP,float customP,float writeP);

void setFinalScore(Student* stu);

void getStudent();

void calculateScore();

void findStudentByID();

void printDataAnalzy();

void SortByScore();

void dealloc();

#endif

////StudentManage.c///////
#include <stdio.h>

#include "StudentManage.h"

#include <stdlib.h>

float cmpPercent = 0;//上机成绩

float customPercent = 0;//平时成绩

float writePercent = 0;//期末成绩

Student * m_stus;//学生数组

int m_length;//学生个数

float min;//最低分

float max;//最高分

float avg; //平均值

int level[6];//等级分布

float passPercent;//通过率

long alAllocSize = 0;

Student temp;

void setPercent(float cmpP,float customP,float writeP)

{

cmpPercent = cmpP;

customPercent = customP;

writePercent = writeP;

}

void setFinalScore(Student *stu)

{

stu->finalScore = stu->cmpScore * cmpPercent + stu->customScore * customPercent + stu->writeScore * writePercent;

}

Student* mp;

void getStudent()

{

Student stu;

static int begin = 0;

if (begin == 0) {

long size = sizeof(stu) * 10;

m_stus = (Student*)malloc(size);

mp = m_stus;

}

else

{

if (alAllocSize > 10*sizeof(stu)) {

m_stus = realloc(m_stus,alAllocSize+10*sizeof(stu));

}

}

alAllocSize += sizeof(stu);

begin = 1;

printf("请输入学号：");

scanf("%d",&stu.ID);

printf("请输入姓名：");

scanf("%s",stu.name);

printf("请输入上机成绩：");

scanf("%d",&stu.cmpScore);

printf("请输入平时成绩：");

scanf("%d",&stu.customScore);

printf("请输入期末成绩：");

scanf("%d",&stu.writeScore);

printf("\n\n");

stu.finalScore = (float)stu.cmpScore * cmpPercent + (float)stu.customScore * customPercent + (float)stu.writeScore * writePercent;

*mp = stu;

mp++;

m_length++;

}

void dealloc()

{

free(m_stus);

m_stus = 0;

}

void calculateScore()

{

max = 0;

min = 101;

int sum = 0;

int passSum = 0;

int i;

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

{

Student stu = m_stus[i];

if(stu.finalScore > max)

{

max = stu.finalScore;

}

if(stu.finalScore < min)

{

min = stu.finalScore;

}

sum += stu.finalScore;

if(stu.finalScore >=90 && stu.finalScore <= 100)

{

level[0]++;

passSum++;

}

else if(stu.finalScore >=80 && stu.finalScore <= 89)

{

level[1]++;

passSum++;

}

else if(stu.finalScore >=70 && stu.finalScore <= 79)

{

level[2]++;

passSum++;

}

else if(stu.finalScore >=60 && stu.finalScore <= 69)

{

level[3]++;

passSum++;

}

else if(stu.finalScore >=50 && stu.finalScore <= 59)

{

level[4]++;

}

else if(stu.finalScore < 50)

{

level[5]++;

}

}

avg = (float)sum/(float)m_length;

passPercent = (float)passSum/(float)m_length;

printf("最高分:%f\n最低分:%f\n平均分:%f\n及格率:%5.2f%%\n\n\n",min,max,avg,passPercent*100);

}

const Student stuZero = {-1,"",0,0,0,0};

Student getStudentWithID(int ID)

{

int i = 0;

for (i = 0; i < m_length; i++) {

Student stu = m_stus[i];

if (stu.ID == ID) {

return stu;

}

}

return stuZero;

}

void printStudent(Student stu){

printf("学号：%d\n姓名：%s\n上机成绩:%d\n平时成绩%d\n期末成绩:%d\n综合成绩:%f ",stu.ID,stu.name,stu.cmpScore,stu.customScore,stu.writeScore,stu.finalScore);

}

void findStudentByID()

{

int ID;

printf("请输入要查询的学号：");

scanf("%d",&ID);

Student stu = getStudentWithID(ID);

if(stu.ID == -1)

{

printf("学生不存在");

}

else

{

printStudent(stu);

}

}

void printStudens(Student* stus)

{

for (int i = 0; i < m_length; i++) {

Student stu = stus[i];

printStudent(stu);

printf("\n\n");

}

}

void SortByScore()

{

printf("---按成绩由高到低排名----\n");

Student* sort_Stus = (Student*)malloc(sizeof(temp)*m_length);

for (int i = 0; i < m_length; i++) {

sort_Stus[i] = m_stus[i];

}

Student* p = sort_Stus;

Student* q;

int i,j;

for (i = 0; i < m_length; i++) {

q = p+1;

for (j = i+1; j < m_length; j++) {

if (p->ID < q->ID) {

Student stu;

stu = *p;

*p = *q;

*q = stu;

}

q++;

}

p++;

}

printStudens(sort_Stus);

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

}

void printDataAnalzy()

{

int i;

for(i = 0;i < 6;i++)

{

int b = 100 - i*10;

int a = b - 10;

if(i != 0)

{

b--;

}

if(i != 5)

{

printf("%d~%d\t%d人\t%5.2f%%\n",a,b,level[i],((float)level[i]/(float)m_length)*100);

}

else

{

printf("49分以下\t%d人\t%5.2f%%\n",level[i],((float)level[i]/(float)m_length)*100);

}

}

printf("\n\n");

}

Answer 2

加到200帮你做