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Cod sursa(job #755400)
#include<fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n;
float a[100][100];
void read()
{
int i,j;
fin>>n;
for(i = 1;i<=n;i++)
for(j=1;j<=n;j++)
fin>>a[i][j];
}
void royfloyd()
{
int k, i, j;
for(k = 1 ; k <= n; k++)
for(i = 1; i <= n; i++)
for(j=1; j<=n; j++)
if(a[i][j]>= a[i][k] + a[k][j])
a[i][j] = a[i][k]+ a[k][j];
}
int main()
{
read();
royfloyd();
int i,j;
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
fout<<a[i][j]<<" ";
fout<<"\n";
}
return 0;
}