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Cod sursa(job #293458)
#include<fstream>
#define max 1001
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,v[100][100];
int main()
{
int i,j,k;
fin>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{
fin>>v[i][j];
if(v[i][j]==0)
v[i][j]=max;
}
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(i!=k && j!=k && i!=j && v[i][k]+v[k][j]<v[i][j])
v[i][j]=v[i][k]+v[k][j];
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
if(v[i][j]==max)
fout<<"0 ";
else
fout<<v[i][j]<<" ";
}
fout<<"\n";
}
return 0;
}