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Cod sursa(job #209969)
#include <cstdio>
#define max 5000
using namespace std;
int n,a[101][101];
int min(int x, int y)
{
return x<y?x:y;
}
int main()
{
freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
scanf("%d",&n);
for(int i=0;i<n;i++)
for(int j=0;j<n;j++)
{
scanf("%d",&a[i][j]);
if(i!=j&&a[i][j]==0)
a[i][j]=max;
}
for(int k=0;k<n;k++)
for(int i=0;i<n;i++)
for(int j=0;j<n;j++)
a[i][j]=min(a[i][j],a[i][k]+a[k][j]);
for(int i=0;i<n;i++)
{
for(int j=0;j<n;j++)
printf("%d ",a[i][j]);
printf("\n");
}
fclose(stdout);
return 0;
}