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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
const int inf=10000001;
int c[101][101];
int n,m;
void citire(){
int i,j;
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++){
f>>c[i][j];
if(c[i][j]==0 && i!=j)c[i][j]=inf;
}
}
void RoyFloyd(){
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++){
int cost=c[i][k]+c[k][j];
if(cost<c[i][j])c[i][j]=cost;
}
}
void afisare(){
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++)
if(c[i][j]<inf)g<<c[i][j]<<' ';
else g<<"0 ";
g<<'\n';
}
}
int main(){
citire();
RoyFloyd();
afisare();
}