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#include <cstdio>
#include <algorithm>
using namespace std;
const int inf=1e9;
int v[110][110];
int main()
{
freopen("royfloyd.in", "r", stdin);
freopen("royfloyd.out", "w", stdout);
int n;
scanf("%d",&n);
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
scanf("%d",&v[i][j]);
if(v[i][j]==0) v[i][j]=inf;
}
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(i!=j) v[i][j]=min(v[i][j],v[i][k]+v[k][j]);
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
if(v[i][j]<inf) printf("%d ",v[i][j]);
else printf("0 ");
printf("\n");
}
return 0;
}