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Cod sursa(job #654391)
#include<fstream>
#include<iomanip>
using namespace std;
ofstream fout("royfloyd.out");
int a[105][105],n;
void citire();
void floyd();
void afis(int a[105][105],int n);
int main()
{
citire();
floyd();
afis(a,n);
return 0;
}
void citire()
{ifstream fin("royfloyd.in");
fin>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
fin>>a[i][j];
}
void afis(int a[105][105],int n)
{
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
fout<<a[i][j]<<" ";
fout<<"\n";
}
}
void floyd()
{
int i,j,k;
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];
}