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#include<stdio.h>//统计不同类型字符数
void main()
{char c;
int e=0,s=0,n=0,o=0;//这样输入是错误的：e=s=n=o=1，为什么呢？
printf("please input random characteristics,use enter to end the string\n");
for(;(c=getchar())!='\n';)//斜杠好像被我打反了
{
if((c>=65&&c<=90)||(c>=97&&c<=122))
e++;
else if((c>=48&&c<=57))
n++;
else if(c==32)
s++;
else
o++;
}
printf("the number of english characteristic is %d\n",e);
printf("the number of space is %d\n",s);
printf("the number of number is %d\n",n);
printf("the number of other characteristics is %d\n",o);
}
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