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Cod sursa(job #675758)
#include <iostream>
#include <fstream>
using namespace std;
int main()
{
int a[100][100],i,j,k,n;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
f>>n;
for(i=1;1<=n;i++)
for(j=1;j<=n;j++)
f>>a[i][j];
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(a[i][k]&&a[k][j]&&(a[i][k]+a[k][j]<a[i][j]||!a[i][j])&& i!=j)
a[i][j]=a[i][k]+a[k][j];
for(i=1;i<=n;i++)
{for(j=1;j<=n;j++)
g<<a[i][j]<<" ";
g<<"\n";
}
return 0;
}