```cpp
#include<cstdio>
#define max(a,b) a>b?a:b
using namespace std;
int n,a[501][501],maxn;
int main()
{
scanf("%d",&n);
for(register int i=1;i<=n;i++)
for(register int j=i+1;j<=n;j++)
{
scanf("%d",&a[i][j]);
a[j][i]=a[i][j];
}
for(register int i=1;i<=n;i++)
{
register int max=0,p,mm=0;
for(register int j=1;j<=n;j++)
if(max<a[i][j]){max=a[i][j];p=j;}
for(register int j=1;j<=n;j++)
if(j!=p) mm=max(mm,a[i][j]);
maxn=max(maxn,mm);
}
printf("1\n%d",maxn);
return 0;
}
```
by 违规用户名U53900 @ 2018-09-09 13:55:55
@[嘤嘤嘤喵喵](/space/show?uid=123920) 你的输入有问题
by 隐心 @ 2018-09-13 09:14:53
细节问题
by Bcakspace @ 2021-10-05 17:12:41