题解 | #判断字母#
判断字母
https://www.nowcoder.com/practice/44d2d63103664913bc243d3836b4f341
#include<stdio.h> int jud(int x) { if (x >= 65 && x <= 90) return 1; else if (x >= 97 && x <= 122) return 1; else return 0; } int main() { char n = '0'; scanf("%c", &n); int g = jud(n); if (g == 1) printf("YES"); else printf("NO"); return 0; }