C Primer Plus(第五版) 第十四章课后习题 6

本文主要是介绍C Primer Plus(第五版) 第十四章课后习题 6，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

提前在项目目录下建立信息文件。

#include <string.h>
#include <stdio.h>
#include <stdlib.h>

#define MAX_char 20
#define MAX_P 20
struct baseball
{
int NO; //0~18
char First[MAX_char];
char Last[MAX_char];
int games;
int hit;
int run;
int rbi;

float sucess;
};

void init(struct baseball *a,int num);
int main(int argc, char **argv)
{
printf("hello world\n");

FILE * in;
char words[20];
int count=0;//0~6
int i=0;//0~5
int index;
struct baseball b[19];//0~18
init(b,19);
//FILE * out;
char a[20]="BaseBall";
strcat(a,".txt");
if((in=fopen(a,"a+"))==NULL)
{
  fputs("Can't opent BaseBall.txt.\n",stderr);
  exit(1);
}
while(fscanf(in,"%s",words)==1)
{

   //(1)
  if(count==0)
  {
   index=atoi(words);
   b[index].NO=atoi(words);
   i=index;
  }
  if(count==1) strcpy(b[i].First,words);
  if(count==2) strcpy(b[i].Last,words);
  if(count==3) b[i].games+=atoi(words);
  if(count==4) b[i].hit+=atoi(words);
  if(count==5) b[i].run+=atoi(words);
  if(count==6) b[i].rbi+=atoi(words);
  count++;
  if(count%7==0)
  {
   count=0;
   //caculate sucess
   b[i].sucess=b[i].hit/(float)b[i].games;
  }
  //(2)
  /*switch(count){
  case 0:b[i].NO=atoi(words);break;
  case 1:strcpy(b[i].First,words);break;
  case 2:strcpy(b[i].Last,words);break;
  case 3:b[i].games=atoi(words);break;
  case 4:b[i].hit=atoi(words);break;
  case 5:b[i].run=atoi(words);break;
  case 6:b[i].rbi=atoi(words);break;
  default:break;
   //puts(words);
  }
  count++;
  if(count%7==0)
  {
   count=0;
   i++;
  }*/
}

i=0;
while(i<19)
{

  if(b[i].NO!=-1)
  {
   printf("%s %s \nNO:%d \nGames:%d \nHit:%d \nRun:%d \nRBI:%d\nSUCESS:%.2f\n",b[i].First,b[i].Last,b[i].NO,b[i].games,b[i].hit,b[i].run,b[i].rbi,b[i].sucess);
   puts("\n");
  }
i++;
}
fclose(in);
return 0;
}
void init(struct baseball *a,int num)
{
int count=0;
while(count++<num)
{
  a->NO=-1;
  strcpy(a->First,"NULL");
  strcpy(a->Last,"NULL");
  a->games=0;
  a->hit=0;
  a->run=0;
  a->rbi=0;
  a->sucess=0.0;
  a++;
}
}