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#include<bits/stdc++.h>
#define int long long
using namespace std;
ifstream fin ("royfloyd.in");
ofstream fout("royfloyd.out");
int n,cost[102][102];
const int INF=0x3F3F3F3F;
int32_t main ()
{
int k,i,j;
fin>>n;
for (i=1; i<=n; i++)
for (j=1; j<=n; j++)
{
fin>>cost[i][j];
if (cost[i][j]==0)
cost[i][j]=INF;
}
for (k=1; k<=n; ++k)
for (i=1; i<=n; ++i)
for (j=1; j<=n; j++)
if (i!=j && cost[i][j]>cost[i][k]+cost[k][j])
cost[i][j]=cost[i][k]+cost[k][j];
for (i=1; i<=n; ++i)
{
for (j=1; j<=n; j++)
if (cost[i][j]!=INF)
fout<<cost[i][j]<<' ';
else fout<<"0 ";
fout<<'\n';
}
return 0;
}