用了30分钟才写完，我真的蒟蒻啦

回复 @D :

回复 @D : #include <bits/stdc++.h>
using namespace std;
char a[15],b[15];
bool qd(){
if(strlen(a) != strlen(b))return 0;
for(int i = 0;i < strlen(a);i++)
if(a[i] != b[i] && a[i] != b[i] + 32 && a[i] != b[i] - 32)return 0;
return 1;
}
int main(){
freopen("stat.in","r",stdin);
freopen("stat.out","w",stdout);
cin>>b;
int i = 0,f = 1,s,y = 0;
while(cin>>a){
cout<<a;
if(qd()){
y++;
if(f == 1)f = 0,s = i;
}
i++;
}
if(y == 0)cout

z

CSP2020纪念