题解 | #大小写转换#
大小写转换
https://www.nowcoder.com/practice/4e089ee8966a4ed4b306f64e68d45264
#include <iostream> using namespace std; int main() { char ch=0; while(scanf("%c",&ch)!=EOF) { getchar();//消去输入字符后按下回车键的换行符 if((ch>='A')&&(ch<='Z')) { putchar(ch+32); } putchar('\n'); } }