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Cod sursa(job #706132)
#include<stdio.h>
#define min(a,b) (a < b) ? a : b
long n,i,j,k,mat[101][101];
int main()
{
freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
scanf("%ld",&n);
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{
scanf("%ld",&mat[i][j]);
if(mat[i][j]==0 && i!=j) mat[i][j]=1001;
}
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
mat[i][j]=min(mat[i][j],mat[i][k]+mat[k][j]);
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
if(mat[i][j]==1001) printf("0 ");
else printf("%ld ",mat[i][j]);
printf("\n");
}
return 0;
}