Mai intai trebuie sa te autentifici.
Cod sursa(job #1111870)
| Utilizator | Data | 19 februarie 2014 10:42:31 | |
|---|---|---|---|
| Problema | Floyd-Warshall/Roy-Floyd | Scor | 50 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.7 kb |
#include <fstream>
#define inf 200000000
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int N, a[102][102];
int main()
{
f>>N;
for (int i=1; i<=N; ++i)
for (int j=1; j<=N; ++j)
if (i!=j) a[i][j]=inf;
for (int i=1; i<=N; ++i)
for (int j=1; j<=N; ++j)
f>>a[i][j];
for (int k=1; k<=N; ++k)
for (int i=1; i<=N; ++i)
for (int j=1; j<=N; ++j)
if (i!=j && a[i][k]+a[k][j]<a[i][j]) a[i][j]=a[i][k]+a[k][j];
for (int i=1; i<=N; ++i && g<<'\n')
for (int j=1; j<=N; ++j)
if (a[i][j]==inf) g<<0<<' ';
else g<<a[i][j]<<' ';
return 0;
}
