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Cod sursa(job #964718)
#include<fstream>
#define INF 1010
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int i,n,j,k,a[105][105];
int main()
{
fin>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{
fin>>a[i][j];
if(a[i][j]==0)
a[i][j]=INF;
}
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(i!=j)
for(k=1;k<=n;k++)
if(a[j][i]+a[i][k]<a[j][k] && k!=j &&k!=i)
a[j][k]=a[j][i]+a[i][k];
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{
if(a[i][j]==INF)
a[i][j]=0;
}
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
fout<<a[i][j]<<" ";
fout<<"\n";
}
return 0;
}