文件读取,成绩计算,小综合C语音习题
[cpp] view plaincopy
读取一个CVS文件,然后 输出计算学生成绩:
[cpp]
[cpp]
// lab4.cpp : 定义控制台应用程序的入口点。
//
#include "stdafx.h"
#include "stdio.h"
#include "string.h"
#include "stdlib.h"
void grade2ABCD(int score)
{
if(score>100 || score<0)
printf("This is not a student score");
if ( score > 89.5 )
printf("A\n");
else
if(score>79.5)
printf("B\n");
else
if(score>69.5)
printf("C\n");
else
if(score>59.5)
printf("D\n");
else
printf("F\n");
}
/*
89.5-100 = A
79.5-89.49 = B
69.5-79.49 = C
59.5-69.49 = D
0 - 59.49 = F
*/
int GetName(char* str)
{
char* firstname;
char* lastname;
char* temp;
int score;
int sum=0;
temp = strtok(str,",");
printf("%s ",temp);
temp = strtok(NULL,",");
printf("%s ",temp);
for(int i=0;i<10;i++)
{
temp=strtok(NULL,",");
score =atoi(temp);
// printf("%d ",score);
sum =sum+ score;
}
printf("%2d%% ",sum/10);
return sum/10;
}
int _tmain(int argc, _TCHAR* argv[])
{
FILE *fp=NULL;
fp=fopen("Scores.txt","r");
if(fp==NULL)
{ www.zzzyk.com
printf("open file error\n");
return 0;
}
char temp[128];
int grade=0;
for(int i=0;i<3;i++)
{
fgets(temp,128,fp);
grade= GetName(temp);
grade2ABCD(grade);
}
return 0;
}
补充:软件开发 , C++ ,