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#include <iostream>
#include<vector>
#include<fstream>
#define N 101
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n;
int D[N][N];
void citire()
{
f>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
int x;
f>>x;
D[i][j]=x;
}
}
int main()
{
citire();
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(D[i][j]==0 && i!=j)
{
if(D[i][k]!=0 && D[k][j]!=0)
D[i][j]=D[i][k]+D[k][j];
}
else
if(D[i][j]>D[i][k]+D[k][j] && D[i][k]!=0 && D[k][j]!=0)
D[i][j]=D[i][k]+D[k][j];
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
g<<D[i][j]<<" ";
g<<"\n";
}
return 0;
}