1_pro.c

C源代码 计算机等级考试C语言上机题

#include  <stdio.h>
#define  MAX  200
int a[MAX],b[MAX],cnt=0;
void jsVal()
{
  int i,qw,bw,sw,gw,j,t;
  for(i=0;i<MAX;i++)       /*求每个四位数的每位数字*/
  {
    qw=a[i]/1000;      
    bw=a[i]%1000/100;   
    sw=a[i]%100/10;      
    gw=a[i]%10;         
    if((qw-bw-sw-gw >0)&&a[i]%2==1)  
      {  b[cnt]=a[i];  cnt++;   }
  }
  for(i=0;i<cnt-1;i++)    /*对数组b进行升序排列*/
    for(j=i+1;j<cnt;j++)
      if(b[i]>b[j])  { t=b[i]; b[i]=b[j]; b[j]=t; }
}
void readDat()
{
  int i;
  FILE *fp;
  fp=fopen("IN33.DAT","r");
  for(i=0;i<MAX;i++)
  fscanf(fp,"%d",&a[i]);
  fclose(fp);
}
void main()
{
  int i;
  readDat();
  jsVal();
  printf("满足条件的数=%d\n",cnt);
  for(i=0;i<cnt;i++) 
  printf("%d",b[i]);
  printf("\n");
  writeDat();
}
writeDat()
{
  FILE *fp;
  int i;
  fp=fopen("OUT33.DAT","w");
  fprintf(fp,"%d\n",cnt);
  for(i=0;i<cnt;i++) 
  fprintf(fp,"%d\n",b[i]);
  fclose(fp);
}