发两遍干啥，自删一个
by rui_er @ 2020-05-28 13:20:58
@[Master·ss](/user/221014) 快读返回值类型不对
by rui_er @ 2020-05-28 13:22:41
lz自删！
by chenzida @ 2020-05-28 13:22:47
发两遍？
by novax @ 2020-05-28 13:22:50
sqlm
by lndjy @ 2020-05-28 13:26:19
发两遍,危
by Marshadow @ 2020-05-28 13:26:31
$s^{q}_{l^m}$
by chenzida @ 2020-05-28 13:30:51
@[Master·ss](/user/221014)
```cpp
#include <iostream>
#include <bits/stdc++.h>
#define int unsigned long long
using namespace std;
inline int read(){
int x=0;
char ch = getchar();
while(ch<'0'||ch>'9') {
ch = getchar();
}
while(ch>='0'&&ch<='9') {
x = (x << 1) + (x << 3) + (ch ^ '0');
ch = getchar();
}
return x;
}
signed main(){
int n;
char a[1001]={0};
int i=0,j=1,k;
int p=0,flag=0;
n=read();
k=read();
for (int i=1;i<=n;i++) {
j *= 2;
}
j--;
while(i<j){
int m=(i+j)>>1;
if (m>=k) {
a[p++]=flag+'0';
j=m;
flag=0;
} else {
a[p++]=(1^flag)+'0';
flag=1;
i=m+1;
}
}
for (int i=0;i<p;i++) {
cout<<a[i];
}
return 0;
}
```
给你改好了。
by littlefrog @ 2020-05-28 13:32:44
@[Master·ss](/user/221014) **年OI $1$ 场空，_________见祖宗 （填空）
by littlefrog @ 2020-05-28 13:34:10
@[littlefrog](/user/175567) 你这个不行
by Marshadow @ 2020-05-28 13:34:18