Run ID:151227

提交时间:2026-04-11 10:12:46

#include<bits/stdc++.h> using namespace std; int main(){ char s1[31],s2[31],s3[31],*p1,*p2,*p3; cin>>s1; for(p1=s1,p2=s2,p3=s3;*p1!='\0';p1++,p2++,p3++){ *p2=*p1,*p3=*p1; } *p2='\0',*p3='\0'; for(p2=s2;*p2!='\0';p2++){ if(*p2>='A'&&*p2<='Z')*p2=' '; } for(p3=s3;*p3!='\0';p3++){ if(*p3>='a'&&*p3<='z')*p3=' '; } cout<<s1<<endl<<s2<<endl<<s3; return 0; }