pe25.c

C语言编程与设计也是一些文章

#include "stdio.h"
#include "string.h"
#include "conio.h"
#define MAX 200

int aa[MAX],bb[10];
int cnt1,cnt2;
float pj=0;

void jsSort();

main()
{if(readDat()) return;
jsSort();
writeDat();
}
readDat()
{FILE *in;
 int i;
 in=fopen("in.dat","r");
 if(!in) {printf("error\n");return 1;}
 for(i=0;i<MAX;i++) fscanf(in,"%d,",&aa[i]);
 fclose(in);
 }

 writeDat()
 {FILE *out;
  int i;
  clrscr();
  out=fopen("out.dat","w");
  fprintf(out," cnt1:%d  cnt2:%d pj: %.2f\n",cnt1,cnt2,pj);
  printf("cnt1:%d  cnt2:%d pj: %.2f\n",cnt1,cnt2,pj);
  fclose(out);
} 
void jsSort(){
int i,j;
for(i=0;i<MAX;i++)
{if(aa[i]%2==0) {cnt2++; pj+=aa[i];}
  else cnt1++;
}
pj/=cnt2;
}