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#include<cstdio>
int d[100][100];
char n,i,j,k;
int main()
{
freopen("royfloyd.in","r",stdin),freopen("royfloyd.out","w",stdout),scanf("%d",&n);
for(i=0;i<n;i++)
for(j=0;j<n;j++)
scanf("%d",&d[i][j]);
for(k=0;k<n;k++)
for(i=0;i<n;i++)
for(j=0;j<n;j++)
if(i!=j&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j]))
d[i][j]=d[i][k]+d[k][j];
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
printf("%d ",d[i][j]);
printf("\n");
}
}