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#include <bits/stdc++.h>
using namespace std;
const int N=105, Inf=2000000000;
int mat[N][N];
int main()
{
freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
int n,i,j,k;
scanf("%d",&n);
for(i=1;i<=n;i++){
for(j=1;j<=n;j++){
scanf("%d",&mat[i][j]);
if(mat[i][j]==0 && i!=j) mat[i][j]=Inf;
}
}
for(k=1;k<=n;k++){
for(i=1;i<=n;i++){
for(j=1;j<=n;j++){
if(mat[i][j]>mat[i][k]+mat[k][j]) mat[i][j]=mat[i][k]+mat[k][j];
}
}
}
for(i=1;i<=n;i++){
for(j=1;j<=n;j++){
if(mat[i][j]==Inf) mat[i][j]=0;
printf("%d ",mat[i][j]);
}
printf("\n");
}
return 0;
}