```
#include <bits/stdc++.h>
using namespace std;
int top,w[110];
string a;
char s[110],c[110];
int main()
{
cin >> a;
int n=a.length();
for(int i=0;i<n;i++)
{
if(a[i] == '(' || a[i] == '[')
{
s[++top]=a[i];
w[top]=i;
if(a[i] == '(') c[i]=')';
else c[i]=']';
}
if(a[i] == ')')
{
if(top && s[top] == '(') {c[w[top]]=' '; top--;}
else c[i]='(';
}
if(a[i] == ']')
{
if(top && s[top] == '[') {c[w[top]]=' '; top--;}
else c[i]='[';
}
}
for(int i=0;i<n;i++)
{
if(c[i] == '(' || c[i] == '[') printf("%c%c",c[i],a[i]);
else if(c[i] == ')' || c[i] == ']') printf("%c%c",a[i],c[i]);
else printf("%c",a[i]);
}
return 0;
}
```
@[Jared0503](/user/1074812)
by D23lhc @ 2024-01-23 20:13:02
给个关注 QWQ
by D23lhc @ 2024-01-23 20:14:01
@[D23lhc](/user/1065153) 已关，谢谢
by Jared0503 @ 2024-01-24 09:01:16