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#include <bits/stdc++.h>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,i,j,k,dp[3][101][101];
int main()
{
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{
f>>dp[0][i][j];
if(i!=j && dp[0][i][j]==0)dp[0][i][j]=INT_MAX/2;
}
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
dp[k%2][i][j]=min(dp[(k-1)%2][i][j],dp[(k-1)%2][i][k]+dp[(k-1)%2][k][j]);
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
if(dp[n%2][i][j]==INT_MAX/2)g<<0<<" ";
else g<<dp[n%2][i][j]<<" ";
g<<'\n';
}
return 0;
}