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Cod sursa(job #150246)
#include<fstream.h>
#define dim 101
#define min(x,y) (x)<(y)?(x):(y)
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,a[dim][dim];
int main()
{int i,j,k;
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
f>>a[i][j];
f.close();
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(i!=j) a[i][j]=min(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();
return 0;
}