@[LJC00125](/space/show?uid=48319)
用3个`分别框住顶部和底部
by brealid @ 2018-03-16 12:35:46
```cpp
include<bits/stdc++.h>
using namespace std;
int n,k,sum=0,e=1;
int main()
{
cin >> n;
while (sum<=n*n)
{
e=1-e;
scanf("%d",&k);
for (int i=1;i<=k;i++)
{
sum++;
cout << e;
if (sum%n==0) cout << endl;
}
}
return 0;
}
```
by LJC00125 @ 2018-03-16 15:35:49
include<bits/stdc++.h>
using namespace std;
int n,k,sum=0,e=1;
int main()
{
cin >> n;
while (sum<=n*n)
{
e=1-e;
scanf("%d",&k);
for (int i=1;i<=k;i++)
{
sum++;
cout << e;
if (sum%n==0) cout << endl;
}
}
return 0;
}
by LJC00125 @ 2018-03-16 15:36:35
```cpp
include<bits/stdc++.h>
using namespace std;
int n,k,sum=0,e=1;
int main()
{
cin >> n;
while (sum<=n*n)
{
e=1-e;
scanf("%d",&k);
for (int i=1;i<=k;i++)
{
sum++;
cout << e;
if (sum%n==0) cout << endl;
}
}
return 0;
}
```
by LJC00125 @ 2018-03-16 15:38:04