t2.c

c语言小程序100个

#include <stdio.h>
#define MAX  200
int a[MAX], b[MAX], cnt = 0;

void jsVal()
{
}

void readDat()
{  int i ;
  FILE *fp ;
  fp = fopen("in.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() ;
system("pause");
}

writeDat()
{ FILE *fp ;
  int i ;
  fp = fopen("out.dat", "w") ;
  fprintf(fp, "%d\n", cnt) ;
  for(i = 0 ; i < cnt ; i++) fprintf(fp, "%d\n", b[i]) ;
  fclose(fp) ;
}