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Cod sursa(job #862751)
#include <fstream>
using namespace std;
fstream f("royfloyd.in", ios::in) , g("royfloyd.out", ios::out);
int mat [101][101];
int main()
{
int n;
f>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
f>>mat[i][j];
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
for(int k=1;k<=n;k++)
if(mat[i][j]>mat[i][k]+mat[k][j])
mat[i][j]=mat[i][k]+mat[k][j];
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
g<<mat[i][j]<<" ";
g<<'\n';
}
return 0;
}