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