#include<stdio.h> #include<string.h> int main() { char s[80],s2[80]; int len,j=0; int i; while(gets(s)!=EOF){ len = strlen(s); for (i = 0; i < len; i++) { if ('A'<=s[i]&&s[i]<='Z'||'a'<=s[i]&&s[i]<='z') { s2[j] = s[i]; j++; } } s2[j] = '\0'; printf("%s\n", s2); } return 0; } |
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