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#include <stdio.h>
int n;
int a[101][101];
int main()
{
freopen ("royfloyd.in","r",stdin);
freopen ("royfloyd.out","w",stdout);
scanf("%d",&n);
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++) scanf("%d",&a[i][j]);
}
for(int k=1;k<=n;k++)
{
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
if(a[i][k]!=0&&a[k][j]!=0)
{
if(i!=j&&(a[i][j]==0||a[i][j]>a[i][k]+a[k][j])) a[i][j]=a[i][k]+a[k][j];
}
}
}
}
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++) printf("%d ",a[i][j]);
printf("\n");
}
}