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#include<bits/stdc++.h>
#define INF 0x3f3f3f3f
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int N,v[101][101];
int main()
{
f>>N;
for(int i=1;i<=N;++i)
for(int j=1;j<=N;++j){
f>>v[i][j];
if(v[i][j]==0)v[i][j]=INF;
}
for(int k=1;k<=N;++k)
for(int i=1;i<=N;++i)
for(int j=1;j<=N;++j)
if(i!=j)
v[i][j]=min(v[i][j],v[i][k]+v[k][j]);
for(int i=1;i<=N;++i){
for(int j=1;j<=N;++j)
if(v[i][j]==INF)g<<0<<' ';
else g<<v[i][j]<<' ';
g<<'\n';
}
return 0;
}