题解 | #判断字母#
判断字母
https://www.nowcoder.com/practice/44d2d63103664913bc243d3836b4f341
#include <stdio.h>
int main() {
char ch;
while ((ch = getchar()) != EOF) {
getchar();
if (ch >= 'A' && ch <= 'Z' || ch >= 'a' && ch <= 'z') {
printf("YES\n");
} else {
printf("NO\n");
}
}
return 0;
}
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