main()
{
int num,count=0
FILE *fp=fopen("wj5.txt","r")
while (!feof(fp))
{
fscanf(fp,"%d",&num)
if (num%2==0)count++
}
fclose(fp)
printf("偶数%d个\n",count)
}
//#include "stdafx.h"//vc++6.0加上这一行.#include "stdio.h"
#include "time.h"
#include "stdlib.h"
int main(void){
int nDec[100],i,j,k
srand((unsigned)time(NULL))
for(i=0i<100nDec[i++]=rand())
for(i=0i<100i++){
for(k=i,j=k+1j<100j++)
if(nDec[k]<nDec[j]) k=j
if(i!=k){
j=nDec[i]
nDec[i]=nDec[k]
nDec[k]=j
}
printf("%d ",nDec[i])
}
printf("\n")
return 0
}
