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Cod sursa(job #264979)
#include<fstream.h>
int n,a[100][100];
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
void main()
{ f>>n;
int i,j,k;
for(i=1;i<=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][j]>a[i][k]+a[k][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";
}
g.close();
f.close();
}