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#include <bits/stdc++.h>
using namespace std;
ifstream fin ("royfloyd.in");
ofstream fout ("royfloyd.out");
int n,dp[102][102],a,b,k,i,j;
int main(){
fin>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++){
fin>>dp[i][j];
if(dp[i][j]==0 && i!=j)
dp[i][j]=100000008;
else
if(i==j)
dp[i][j]=0;
}
for(k=1;k<=n;k++)
for(a=1;a<=n;a++)
for(b=1;b<=n;b++){
if(dp[a][b]>dp[a][k]+dp[k][b])
dp[a][b]=dp[a][k]+dp[k][b];
}
for(i=1;i<=n;i++){
for(j=1;j<=n;j++)
fout<<dp[i][j]<<" ";
fout<<'\n';
}
return 0;
}