题解 | #大小写转换#
大小写转换
https://www.nowcoder.com/practice/4e089ee8966a4ed4b306f64e68d45264
#include <stdio.h>
int main() {
char ch;
while (scanf("%c", &ch) != EOF) {
if (ch >= 'A' && ch <= 'Z') {
ch += 32;
printf("%c\n", ch);
}
}
return 0;
}
