Cod sursa(job #592073)
Utilizator | Andrei Constantinescu Andrei1998 | Data | 26 mai 2011 18:12:52 |
---|---|---|---|
Problema | Floyd-Warshall/Roy-Floyd | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 1.68 kb |
#include<fstream.h>
using namespace std;
int main()
{
//Fisiere
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
//Initializare
unsigned int n=0,m[101][101],j=0,i=0,k=0;
for(i=0;i<101;i++)
{
for(j=0;j<101;j++)
{
m[i][j]=0;
}
}
//Citire
fin>>n;
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
{
fin>>m[i][j];
}
}
//Roy-Floyd
for(k=0;k<n;k++)
{
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
{
if((m[i][k]+m[k][j]<m[i][j] || m[i][j]==0) && i!=j && m[i][k]!=0 && m[k][j]!=0)
{
m[i][j]=m[i][k]+m[k][j];
}
}
}
}
//Afisare
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
{
fout<<m[i][j]<<' ';
}
fout<<'\n';
}
//Incheiere
fin.close();
fout.close();
return 0;
}