Cod sursa(job #3256116)

Utilizator Dumiboidumitrache rares Dumiboi Data 13 noiembrie 2024 15:52:05
Problema Floyd-Warshall/Roy-Floyd Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.74 kb
#include <fstream>

using namespace std;
ifstream cin ("royfloyd.in");
ofstream cout ("royfloyd.out");
int a[101][101],n,b[101][101];
int INF=2000000001;
void royfloyd()
{
    for(int k=1;k<=n;k++)
        for(int i=1;i<=n;i++)
            for(int j=1;j<=n;j++)
                if(a[i][k]+a[k][j]<b[i][j] and a[i][j]!=0)
                    b[i][j]=a[i][k]+a[k][j];
}
int main()
{
    cin>>n;
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
            cin>>a[i][j],b[i][j]=INF;
    royfloyd();
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
            if(b[i][j]!=INF)
                cout<<b[i][j]<<" ";
            else
                cout<<"0"<<" ";
        cout<<"\n";
    }
    return 0;
}