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Cod sursa(job #742239)
#include <cstdio>
int n,a[110][110];
int main()
{
freopen("royfloyd.in","r",stdin);
freopen("royfloyd","w",stdout);
int i,q,j,x,y;
scanf("%d", &n);
for(i=0;i<n;i++)
for(j=0;j<n;j++)
scanf("%d",&a[i][j]);
for(q=0;q<n;q++)
for(i=0;i<n;i++)
for(j=0;j<n;j++)
if(a[i][q]+a[q][j]<a[i][j])
a[i][j]=a[i][q]+a[q][j];
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
printf("%d ",a[i][j]);
printf("\n");
}
return 0;
}