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#include <iostream>
#include <fstream>
#include <cstring>
#define inf 2147000000
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,dp[105][105];
int main()
{ int i,j,nod;
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
f>>dp[i][j];
for(nod=1;nod<=n;nod++)
{
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if (i!=j && dp[i][nod]!=0 && dp[nod][j]!=0 && (!dp[i][j] || dp[i][j]>dp[i][nod]+dp[nod][j]))
dp[i][j]=dp[i][nod]+dp[nod][j];
}
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
g<<dp[i][j]<<" ";
g<<"\n";
}
return 0;
}