Update README.md

README.md

@@ -1,2 +1,23 @@
 # htu2
-
+//字符分类统计 
+#include<stdio.h>
+int main()
+{
+	char c;
+	int i,letter1=0,letter2=0,s=0,k=0,o=0;
+	for(i=0;i<10;i++){
+		scanf("%c",&c);
+		if(c>='A'&&c<='Z'){
+			letter1++;
+		}else if(c>='a'&&c<='z'){
+			letter2++;
+		}else if(c>='0'&&c<='9'){
+			s++;
+		}else if(c==' '){
+	        k++;
+		}else{
+			o++;
+		}
+	}printf("%d %d %d %d %d",letter1,letter2,s,k,o);
+	return 0;
+}