pe21.c

来自「C语言编程与设计也是一些文章」· C语言 代码 · 共 46 行

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

int aa[MAX],bb[10];
int max,cnt;
float pj=0;

void jsSort(){
int i;
 max=abs(aa[0]);
 for(i=1;i<MAX;i++)
  if(abs(aa[i])>max) max=abs(aa[i]);
 for(i=0;i<MAX;i++) {
  if(abs(aa[i])==max) cnt++;
     else pj+=aa[i];
  }
 pj/=(MAX-cnt);

}

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,"max:%d cnt:%d  pj: %.2f\n",max,cnt,pj);
  printf("max:%d cnt:%d  pj: %.2f\n",max,cnt,pj);
  fclose(out);
}