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Cod sursa(job #146113)
#include<fstream>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
void citire(int&,int[100][100]);
void royfloyd(int,int[100][100]);
void afisare(int,int[100][100]);
int main()
{
int n,mat[100][100];
citire(n,mat);
royfloyd(n,mat);
afisare(n,mat);
return 0;
}
void citire(int &n,int mat[100][100])
{int i,j;
in>>n;
for (i=0;i<n;i++)
for (j=0;j<n;j++)
mat[i][j]=32000;
for (i=0;i<n;i++)
for (j=0;j<n;j++)
in>>mat[i][j];
}
void royfloyd(int n,int mat[100][100])
{int i,j,k;
for (k=0;k<n;k++)
for (i=0;i<n;i++)
for (j=0;j<n;j++)
//if (mat[i][k]&&mat[k][j]&&(mat[i][j]>mat[i][k]+mat[k][j]||!mat[i][j])&&i!=j)
if (mat[i][j]>mat[i][k]+mat[k][j])
mat[i][j]=mat[i][k]+mat[k][j];
}
void afisare(int n,int mat[100][100])
{int i,j;
for (i=0;i<n;i++)
{for (j=0;j<n;j++)
out<<mat[i][j]<<" ";
out<<endl;
}
}