Cod sursa(job #186058)
Utilizator | adrian horia adrian69 | Data | 26 aprilie 2008 17:16:22 |
---|---|---|---|
Problema | Floyd-Warshall/Roy-Floyd | Scor | 90 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.52 kb |
#include<stdio.h>
int a[100][100],n;
int main()
{FILE *f,*g;
f=fopen("royfloyd.in","r");
g=fopen("royfloyd.out","w");
fscanf(f,"%d",&n);
int i,j,k;
for(i=0;i<n;i++)
for(j=0;j<n;j++)
fscanf(f,"%d",&a[i][j]);
for(k=0;k<n;k++)
for(i=0;i<n;i++)
for(j=0;j<n;j++)
if(a[i][k]&&a[k][j]&&a[i][j]>a[i][k]+a[k][j]||!a[i][j]&&i!=j)
a[i][j]=a[i][k]+a[k][j];
for(i=0;i<n;i++)
{for(j=0;j<n;j++)
fprintf(g,"%d ",a[i][j]);
fprintf(g,"\n");
}
fclose(f);
fclose(g);
}