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Cod sursa(job #642047)
#include<fstream>
using namespace std;
int main()
{
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,j,i,k,a[100][100];
f>>n;
for(i=0;i<n;i++)
for(j=0;j<n;j++)
{
f>>a[i][j];
}
for(k=0;k<n;k++)
for(i=0;i<n;i++)
for(j=0;j<n;j++)
if(a[i][k]+a[k][j]<a[i][j]) a[i][j]=a[i][k]+a[k][j];
for(i=0;i<n;i++)
for(j=0;j<n;i++)
g<<a[i][j]<<' ';
f.close();
g.close();
return 0;
}