编辑代码

#include <stdio.h>
int main()
{
	int nums[10]={2,4,6,8,10,12,14,16,18,20};
	int scnum=1,thisindex=-1;
	int i;
	for(i=0;i<10;i++)
	{
		if (nums[i]==scnum){
			thisindex=i;
			break;}
		else if(scnum>nums[i]){
			break;}
	}
	if (thisindex<0)
	printf("数组中没有这个数据");
	else
	printf("数组中第%d个数据=%d",thisindex,scnum);
	return 0;
}