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#include <bits/stdc++.h>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int t,n,k,i,m,j,a,b;
int mat[107][107];
int main()
{ f>>n;
for (i=1;i<=n;i++){
for(j=1;j<=n;j++){
f>>mat[i][j];
}
}
for (k=1;k<=n;k++){
for (i=1;i<=n;i++){
for (j=1;j<=n;j++){
if (mat[i][k]&&mat[k][j]&&(mat[i][k]+mat[k][j]<mat[i][j]||!mat[i][j])&&i!=j){
mat[i][j]=mat[i][k]+mat[k][j];
}
}
}
}
for (i=1;i<=n;i++,g<<'\n'){
for(j=1;j<=n;j++){
g<<mat[i][j]<<' ';
}
}
return 0;
}