@[Wangyuqi2010](/user/1016748)
```cpp
#include<iostream>
#include<cmath>
using namespace std;
int ss[12],bb[12];
int s=1,b,minn=1e+5,n;//p2036
//-------
string to(int num){
string str;
while(num>0){
int k=num%2;
num/=2;
str+=char('0'+k);
}
int len=str.length();
if(len>=n) ;
else{
int k=n-len;
for(int i=1;i<=k;i++){
str+='0';
}
}
return str;
}//转二进制
void kkk(int k){//暴搜 子集枚举
string st=to(k);
int len=st.length();
for(int i=0;i<len;i++){//(判断状态)
if(st[i] == '1'){
s*=ss[i];
b+=bb[i];
}
}
}
int main(){
cin>>n;
for(int i=0;i<n;i++){
cin>>ss[i]>>bb[i];
}//输入
for(int U=(1<<n)-1;U>0;U--){
s=1,b=0;
kkk(U);
minn=min(minn,(int)abs(s-b));
}
//枚举
cout<<minn;
return 0;
}
```
by __LYC__qwq @ 2024-03-02 19:39:32
```cpp
str='0'+str;
```
改成
```cpp
str+='0'
```
,
```cpp
if(st[i]){
}
```
改成
```cpp
if(st[i] == '1'){
}
```
,
ss, bb是零下标
```cpp
minn=min(minn,(int)abs(ss-bb));
```
改成
```cpp
minn=min(minn,(int)abs(s-b));
```
by __LYC__qwq @ 2024-03-02 19:42:37
```cpp
1>>n-1
```
改成
```cpp
(1<<n)-1
```
by __LYC__qwq @ 2024-03-02 19:47:50
谢谢大佬 @[__LYC__qwq](/user/983647)
by Wangyuqi2010 @ 2024-03-02 20:46:54