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#include <bits/stdc++.h>
using namespace std;
int n;
int mat[102][102];
int main()
{
int k,i,j;
freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
scanf("%d",&n);
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
scanf("%d",&mat[i][j]);
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if( (mat[i][k]+mat[k][j]<mat[i][j] || !mat[i][j]) && mat[i][k] && mat[k][j] && i!=k && i!=j && i!=j)
mat[i][j]=mat[i][k]+mat[k][j];
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++) printf("%d ",mat[i][j]);
cout<<'\n';
}
fclose(stdin);
fclose(stdout);
return 0;
}