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Cod sursa(job #955847)
#include<fstream>
#include<vector>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int mat[101][101],n;
int main()
{
int i,j,k;
in>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{
in>>mat[i][j];
}
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++){
if(mat[i][k]!=0 && mat[k][j]!=0 && mat[i][j]!=0 && mat[i][k]+mat[k][j]<mat[i][j])
mat[i][j]=mat[i][k]+mat[k][j];
}
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
out<<mat[i][j]<<" ";
}
out<<"\n";
}
return 0;
}