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Cod sursa(job #232410)
#include<fstream.h>
#include<iostream.h>
ifstream fin ("royfloyd.in");
ofstream fout ("royfloyd.out");
long a[101][101],n,i,j,k;
int main()
{
//clrscr();
fin>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
fin>>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]!=0 && a[k][j]!=0)
if((a[i][j]>a[i][k]+a[k][j] || a[i][j]==0) && i!=j)
a[i][j]=a[i][k]+a[k][j];
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
fout<<a[i][j]<<" ";
}
fout<<endl;
}
// getch();
return 0;
}