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Cod sursa(job #606587)
#include<fstream>
using namespace std;
int a[101][101],n,i,j,k;
int main()
{
ifstream f("royfloyd.in");ofstream g("royfloyd.out");
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{
f>>a[i][j];
if(i!=j && a[i][j]==0) a[i][j]==1000001;
}
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(i!=j)
if(a[i][j]>a[i][k]+a[k][j]) a[i][j]=a[i][k]+a[k][j];
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
if(a[i][j]==1000001 && i!=j) g<<0<<" "; else g<<a[i][j]<<" ";
g<<"\n";
}
f.close();g.close();
return 0;}