Advertisement
Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- #include <fstream>
- using namespace std;
- ifstream f("roy-floyd.in");
- ofstream g("roy-floyd.out");
- int a[105][105], n, m, i, j, k, c, x, y;
- int main()
- {
- f>>n>>m;
- for(i=1;i<=m;i++)
- {
- f>>x>>y>>c;
- a[x][y]=c;
- }
- for(k=1;k<=n;k++)
- for(i=1;i<=n;i++)
- for(j=1;j<=n;j++)
- if(i!=j&&a[i][k]!=0&&a[k][j]!=0&&(a[i][j]>a[i][k]+a[k][j]||a[i][j]==0))
- a[i][j]=a[i][k]+a[k][j];
- for(i=1;i<=n;i++)
- {
- for(j=1;j<=n;j++)
- {
- if(a[i][j]==0&&i!=j)
- g<<-1<<" ";
- else
- g<<a[i][j]<<" ";
- }
- g<<endl;
- }
- return 0;
- }
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement