jyz120609 @ 2022-08-14 11:57:57
#include <bits/stdc++.h>
using namespace std;
int main() {
long long top=0;
char a[100005];
cin.getline(a,100005);
int len=strlen(a);
for(int i=0; i<=len; i++) {
if(a[i]=='(') cout<<"()";
else if(a[i]=='[') cout<<"[]";
}
}
by zhangjingxing2012 @ 2022-08-14 19:36:21
建议你再读一遍题目