
#include <stdio.h>
#include <string.h>
int main() {
char str1[100], str2[100];
int i, j;
gets(str1);
for (i = 0, j = 0; i < strlen(str1);) {
if ((str1[i] >= 'a' && str1[i] <= 'z') ||
(str1[i] >= 'A' && str1[i] <= 'Z'))
str2[j++] = str1[i++];
else
i++;
}
puts(str2);
return 0;
}




by: 发表于:2018-05-25 16:04:18 顶(0) | 踩(0) 回复
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