Cod sursa(job #2176222)

Utilizator andrei13Paval Andrei andrei13 Data 16 martie 2018 21:42:20
Problema Floyd-Warshall/Roy-Floyd Scor 60
Compilator cpp Status done
Runda Arhiva educationala Marime 0.81 kb
#include <iostream>
#include <fstream>
#include <list>
#include <stack>

using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int n;
int mat[111][111];
int pond[111][111];

int main()
{f>>n;
for(int i=1;i<=n;++i)
    for(int j=1;j<=n;++j)
    {
        f>>mat[i][j];
        if(mat[i][j])
            pond[i][j]=mat[i][j];
        else pond[i][j]=1<<30;
    }
for(int k=1;k<=n;++k)
    for(int i=1;i<=n;++i)
      for(int j=1;j<=n;++j)
       if((i-k)*(i-j)*(j-k))
          if(mat[i][k] and mat[k][j] and pond[i][j]>pond[i][k]+pond[k][j])
              pond[i][j]=pond[i][k]+pond[k][j];
 for(int i=1;i<=n;++i)
   {
      for(int j=1;j<=n;++j)
      if(pond[i][j]!=1<<30)
        g<<pond[i][j]<<' ';
      else g<<0<<' ';
      g<<endl;
    }

        return 0;
}