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Cod sursa(job #394805)
#include <iostream>
using namespace std;
int a[150][150],n;
void citire()
{
scanf("%d",&n);
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
scanf("%d",&a[i][j]);
}
}
int main()
{
freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
citire();
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
if((a[i][j]>a[i][k]+a[k][j] && a[i][k]!=0 && a[k][j]!=0)|| (!a[i][j]) && i != j))
{
a[i][j]=a[i][k]+a[k][j];
}
}
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
printf("%d ",a[i][j]);
}
printf("\n");
}
return 0;
}