Foggy_night @ 2023-04-28 12:42:42
#include<iostream>
#include<cstring>
using namespace std;
string s;
int w[105];
char a[105], ch[105];
int main(){
cin >> s;
int len = s.size();
int j = 0;
for(int i = 0; i < len; i++){
if(s[i] == '('){
a[j++] = s[i];
w[j] = i;
ch[i] = ')';
}
if(s[i] == '['){
a[j++] = s[i];
w[j] = i;
ch[i] = ']';
}
if(s[i] == ')')
{
if(j && a[j] == '(')
ch[w[j--]]=' ';
else ch[i]='(';
}
if(s[i] == ']')
{
if(j && a[j] == '[')
ch[w[j--]]=' ';
else ch[i]='[';
}
}
for(int i = 0; i < len; i++){
if(ch[i] == '(' || ch[i] == '[') cout << ch[i] << s[i];
else if(ch[i] == ')' || ch[i] == ']') cout << s[i] << ch[i];
else cout << s[i];
}
return 0;
}